Gordon T. Richards

Q: What Schools Are Affiliated With Gordon T. Richards

Gordon T. Richards is affiliated with the following schools: Drexel University

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Gordon T. Richards

Physics

#7211

World Rank

#9224

Historical Rank

Astrophysics

#603

World Rank

#648

Historical Rank

Astronomy

#962

World Rank

#1602

Historical Rank

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Physics

Gordon T. Richards's Degrees

PhD Astronomy University of Washington
Bachelors Physics University of California, Berkeley

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Gordon T. Richards's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

The Sloan Digital Sky Survey: Technical Summary (2000) (7503)
THE SEVENTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY (2008) (4019)
The host galaxies of active galactic nuclei (2003) (2506)
Sloan Digital Sky Survey: Early Data Release (2002) (1938)
SDSS-III: MASSIVE SPECTROSCOPIC SURVEYS OF THE DISTANT UNIVERSE, THE MILKY WAY, AND EXTRA-SOLAR PLANETARY SYSTEMS (2007) (1644)
THE BARYON OSCILLATION SPECTROSCOPIC SURVEY OF SDSS-III (2012) (1353)
The Host Galaxies of AGN (2003) (1311)
The Sixth Data Release of the Sloan Digital Sky Survey (2007) (1228)
LSST Science Book, Version 2.0 (2009) (1153)
THE NINTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY: FIRST SPECTROSCOPIC DATA FROM THE SDSS-III BARYON OSCILLATION SPECTROSCOPIC SURVEY (2012) (1122)
ERRATUM: “THE EIGHTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY: FIRST DATA FROM SDSS-III” (2011, ApJS, 193, 29) (2011) (1079)
Constraining the Evolution of the Ionizing Background and the Epoch of Reionization with z ∼ 6 Quasars. II. A Sample of 19 Quasars (2005) (1042)
An Observational Determination of the Bolometric Quasar Luminosity Function (2006) (831)
Spectroscopic Target Selection in the Sloan Digital Sky Survey: The Quasar Sample (2002) (821)
SEGUE: A SPECTROSCOPIC SURVEY OF 240,000 STARS WITH g = 14–20 (2009) (819)
Spectral Energy Distributions and Multiwavelength Selection of Type 1 Quasars (2006) (815)
Evidence for Reionization at z ∼ 6: Detection of a Gunn-Peterson Trough in a z = 6.28 Quasar (2001) (795)
A CATALOG OF QUASAR PROPERTIES FROM SLOAN DIGITAL SKY SURVEY DATA RELEASE 7 (2011) (774)
The First Data Release of the Sloan Digital Sky Survey (2003) (771)
THE SLOAN DIGITAL SKY SURVEY QUASAR CATALOG. V. SEVENTH DATA RELEASE (2010) (764)
A Survey of z > 5.8 Quasars in the Sloan Digital Sky Survey. I. Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z ∼ 6 (2001) (736)
The Sloan Digital Sky Survey Quasar Survey: Quasar Luminosity Function from Data Release 3 (2006) (650)
The Fifth Data Release of the Sloan Digital Sky Survey (2007) (631)
A Survey of z > 5.7 Quasars in the Sloan Digital Sky Survey. II. Discovery of Three Additional Quasars at z > 6 (2003) (626)
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data (1999) (544)
The Second Data Release of the Sloan Digital Sky Survey (2004) (528)
The Sloan Digital Sky Survey View of the Palomar-Green Bright Quasar Survey (2005) (497)
The Fourth Data Release of the Sloan Digital Sky Survey (2005) (461)
A Survey of z > 5.7 Quasars in the Sloan Digital Sky Survey. IV. Discovery of Seven Additional Quasars (2004) (416)
Biases in Virial Black Hole Masses: An SDSS Perspective (2007) (410)
Optical and Radio Properties of Extragalactic Sources Observed by the FIRST Survey and the Sloan Digital Sky Survey (2002) (406)
The Sloan Digital Sky Survey Quasar Catalog. IV. Fifth Data Release (2007) (387)
A Catalog of Broad Absorption Line Quasars from the Sloan Digital Sky Survey Early Data Release (2003) (383)
EFFICIENT PHOTOMETRIC SELECTION OF QUASARS FROM THE SLOAN DIGITAL SKY SURVEY. II. ∼1, 000, 000 QUASARS FROM DATA RELEASE 6 (2004) (381)
SDSS data management and photometric quality assessment (2004) (360)
The Ensemble Photometric Variability of ~25,000 Quasars in the Sloan Digital Sky Survey (2003) (335)
The Third Data Release of the Sloan Digital Sky Survey (2004) (330)
Clustering of High-Redshift (z ≥ 2.9) Quasars from the Sloan Digital Sky Survey (2007) (307)
Red and Reddened Quasars in the Sloan Digital Sky Survey (2003) (303)
The FIRST Bright Quasar Survey. II. 60 Nights and 1200 Spectra Later (1998) (301)
Active galactic nuclei: what’s in a name? (2016) (300)
Broad Emission-Line Shifts in Quasars: An Orientation Measure for Radio-Quiet Quasars? (2002) (296)
Identification of A-colored Stars and Structure in the Halo of the Milky Way from Sloan Digital Sky Survey Commissioning Data (2000) (294)
The Sloan Digital Sky Survey monitor telescope pipeline (2006) (290)
UNIFICATION OF LUMINOUS TYPE 1 QUASARS THROUGH C iv EMISSION (2010) (288)
Unusual Broad Absorption Line Quasars from the Sloan Digital Sky Survey (2002) (279)
Candidate Type II Quasars from the Sloan Digital Sky Survey. I. Selection and Optical Properties of a Sample at 0.3 < Z < 0.83 (2003) (272)
The Sloan Digital Sky Survey quasar catalog: ninth data release (2012) (262)
THE SDSS-III BARYON OSCILLATION SPECTROSCOPIC SURVEY: QUASAR TARGET SELECTION FOR DATA RELEASE NINE (2011) (261)
A Catalog of Quasar Properties from SDSS DR7 (2010) (260)
Combined analysis of the integrated Sachs-Wolfe effect and cosmological implications (2008) (251)
Binary Quasars in the Sloan Digital Sky Survey: Evidence for Excess Clustering on Small Scales (2005) (232)
SPACE DENSITY OF OPTICALLY SELECTED TYPE 2 QUASARS (2008) (227)
Continuum and Emission-Line Properties of Broad Absorption Line Quasars (2003) (226)
Analysis of Systematic Effects and Statistical Uncertainties in Angular Clustering of Galaxies from Early Sloan Digital Sky Survey Data (2001) (206)
THE DISCOVERY OF THE FIRST “CHANGING LOOK” QUASAR: NEW INSIGHTS INTO THE PHYSICS AND PHENOMENOLOGY OF ACTIVE GALACTIC NUCLEI (2014) (204)
The 2dF-SDSS LRG and QSO survey: QSO clustering and the L-z degeneracy (2006) (203)
Measuring the galaxy–mass and galaxy–dust correlations through magnification and reddening (2009) (202)
CLUSTERING OF LOW-REDSHIFT (z ⩽ 2.2) QUASARS FROM THE SLOAN DIGITAL SKY SURVEY (2008) (198)
Detection of Cosmic Magnification with the Sloan Digital Sky Survey (2005) (194)
Active Galactic Nuclei in the Sloan Digital Sky Survey. I. Sample Selection (2005) (192)
The 2dF-SDSS LRG and QSO Survey: the QSO luminosity function at 0.4 < z < 2.6 (2009) (192)
Colors of 2625 Quasars at 0 < z < 5 Measured in the Sloan Digital Sky Survey Photometric System (2000) (191)
The Radio-Loud Fraction of Quasars is a Strong Function of Redshift and Optical Luminosity (2006) (182)
The 2dF-SDSS LRG and QSO (2SLAQ) survey: the z < 2.1 quasar luminosity function from 5645 quasars to g=21.85 (2005) (181)
QUASAR CLUSTERING FROM SDSS DR5: DEPENDENCES ON PHYSICAL PROPERTIES (2008) (180)
Spectral Classification of Quasars in the Sloan Digital Sky Survey: Eigenspectra, Redshift, and Luminosity Effects (2004) (177)
Average extinction curves and relative abundances for quasi-stellar object absorption-line systems at 1 ≤zabs < 2 (2006) (174)
A DESCRIPTION OF QUASAR VARIABILITY MEASURED USING REPEATED SDSS AND POSS IMAGING (2011) (174)
Dust Reddening in Sloan Digital Sky Survey Quasars (2004) (174)
The Sloan Digital Sky Survey Quasar Catalog. II. First Data Release (2003) (170)
Double-peaked Low-Ionization Emission Lines in Active Galactic Nuclei (2003) (169)
Active Galactic Nuclei in the Sloan Digital Sky Survey. II. Emission-Line Luminosity Function (2005) (168)
The Karl G. Jansky Very Large Array Sky Survey (VLASS). Science Case and Survey Design (2019) (167)
A strong redshift dependence of the broad absorption line quasar fraction (2010) (165)
First Measurement of the Clustering Evolution of Photometrically Classified Quasars (2005) (156)
Clustering Analyses of 300,000 Photometrically Classified Quasars. I. Luminosity and Redshift Evolution in Quasar Bias (2006) (156)
A gravitationally lensed quasar with quadruple images separated by 14.62 arcseconds (2003) (156)
A SURVEY OF z ∼ 6 QUASARS IN THE SLOAN DIGITAL SKY SURVEY DEEP STRIPE. II. DISCOVERY OF SIX QUASARS AT zAB>21 (2009) (149)
THE SDSS-III BARYON OSCILLATION SPECTROSCOPIC SURVEY: THE QUASAR LUMINOSITY FUNCTION FROM DATA RELEASE NINE (2012) (147)
High redshift detection of the integrated Sachs-Wolfe effect (2006) (144)
A SURVEY OF z ∼ 6 QUASARS IN THE SLOAN DIGITAL SKY SURVEY DEEP STRIPE. I. A FLUX-LIMITED SAMPLE AT zAB < 21 (2007) (143)
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. IV. Luminosity Function from the Fall Equatorial Stripe Sample (2001) (142)
THE z = 5 QUASAR LUMINOSITY FUNCTION FROM SDSS STRIPE 82 (2012) (141)
The Sloan Digital Sky Survey Quasar Catalog. I. Early Data Release (2001) (139)
Quasars Probing Quasars. I. Optically Thick Absorbers near Luminous Quasars (2006) (134)
THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: TECHNICAL OVERVIEW (2014) (131)
The Sloan Digital Sky Survey Quasar Lens Search. I. Candidate Selection Algorithm (2006) (126)
AGN Physics with the Sloan Digital Sky Survey (2004) (124)
THE EIGHTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY: FIRST DATA FROM SDSS-III (2011) (123)
The Sloan Digital Sky Survey Quasar Catalog. III. Third Data Release (2005) (121)
The Spitzer Extragalactic Representative Volume Survey (SERVS): Survey Definition and Goals (PASP, 124, 714, [2012]) (2012) (119)
THE SLOAN DIGITAL SKY SURVEY QUASAR LENS SEARCH. V. FINAL CATALOG FROM THE SEVENTH DATA RELEASE (2012) (113)
Probing the Evolution of Infrared Properties of z ∼ 6 Quasars: Spitzer Observations (2006) (109)
Mass Functions of the Active Black Holes in Distant Quasars from the Sloan Digital Sky Survey Data Release 3 (2007) (108)
The 2dF-SDSS LRG and QSO Survey: the spectroscopic QSO catalogue (2008) (106)
Clustering Analyses of 300,000 Photometrically Classified Quasars. II. The Excess on Very Small Scales (2006) (106)
THE OBSCURED FRACTION OF ACTIVE GALACTIC NUCLEI IN THE XMM-COSMOS SURVEY: A SPECTRAL ENERGY DISTRIBUTION PERSPECTIVE (2013) (99)
Science-Driven Optimization of the LSST Observing Strategy (2017) (98)
Correcting C iv-Based Virial Black Hole Masses (2016) (98)
Spectroscopic Observations and Analysis of the Peculiar SN 1999aa (2004) (96)
THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: VELOCITY SHIFTS OF QUASAR EMISSION LINES (2016) (96)
HIGH-REDSHIFT SDSS QUASARS WITH WEAK EMISSION LINES (2009) (95)
Observations and Theoretical Implications of the Large-Separation Lensed Quasar SDSS J1004+4112 (2003) (93)
The FIRST Bright Quasar Survey. III. The South Galactic Cap (2001) (93)
A Feature at z ∼ 3.2 in the Evolution of the Lyα Forest Optical Depth (2002) (92)
BINARY QUASARS AT HIGH REDSHIFT. I. 24 NEW QUASAR PAIRS AT z ∼ 3–4 (2009) (92)
VLT Optical and Near-Infrared Observations of the z = 6.28 Quasar SDSS J1030+0524 (2002) (92)
Are the variability properties of the Kepler AGN light curves consistent with a damped random walk (2015) (92)
Dust-free quasars in the early Universe (2010) (92)
MEAN SPECTRAL ENERGY DISTRIBUTIONS AND BOLOMETRIC CORRECTIONS FOR LUMINOUS QUASARS (2013) (91)
The Small-Scale Environment of Quasars (2006) (91)
Photometric Separation of Stellar Properties Using SDSS Filters (1998) (90)
Photometric Redshifts of Quasars (2001) (90)
Chandra Observations of the Highest Redshift Quasars from the Sloan Digital Sky Survey (2006) (90)
THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: FIRST BROAD-LINE Hβ AND Mg ii LAGS AT z ≳ 0.3 FROM SIX-MONTH SPECTROSCOPY (2015) (87)
Quasar Clustering at 25 h−1 kpc from a Complete Sample of Binaries (2007) (87)
Lensing, reddening and extinction effects of Mg ii absorbers from z= 0.4 to 2 (2007) (84)
Dark matter constraints from a joint analysis of dwarf Spheroidal galaxy observations with VERITAS (2017) (83)
THE SLOAN DIGITAL SKY SURVEY QUASAR LENS SEARCH. II. STATISTICAL LENS SAMPLE FROM THE THIRD DATA RELEASE (2007) (82)
X-RAY INSIGHTS INTO THE NATURE OF PHL 1811 ANALOGS AND WEAK EMISSION-LINE QUASARS: UNIFICATION WITH A GEOMETRICALLY THICK ACCRETION DISK? (2015) (81)
Dust Reddening in SDSS Quasars (2004) (81)
An Empirical Calibration of the Completeness of the SDSS Quasar Survey (2005) (80)
Unprecedented study of the broadband emission of Mrk 421 during flaring activity in March 2010 (2014) (80)
A Large, Uniform Sample of X-Ray-emitting AGNs: Selection Approach and an Initial Catalog from the ROSAT All-Sky and Sloan Digital Sky Surveys (2003) (78)
VLT observations of the z=6.28 quasar SDSS 1030+0524 (2001) (78)
An Empirical Algorithm for Broadband Photometric Redshifts of Quasars from the Sloan Digital Sky Survey (2004) (75)
The 2009 multiwavelength campaign on Mrk 421: variability and correlation studies (2015) (75)
Optically Identified BL Lacertae Objects from the Sloan Digital Sky Survey (2004) (75)
Sloan Digital Sky Survey Imaging of Low Galactic Latitude Fields: Technical Summary and Data Release (2004) (75)
The bolometric quasar luminosity function at z = 0–7 (2020) (74)
SDSS J092455.87+021924.9: An Interesting Gravitationally Lensed Quasar from the Sloan Digital Sky Survey (2003) (73)
HIGH-RESOLUTION VERY LARGE ARRAY IMAGING OF SLOAN DIGITAL SKY SURVEY STRIPE 82 AT 1.4 GHz (2011) (72)
Microlensing of the Broad Emission Line Region in the Quadruple Lens SDSS J1004+4112 (2004) (71)
A Spectroscopic Survey of Faint Quasars in the SDSS Deep Stripe. I. Preliminary Results from the Co-added Catalog (2006) (71)
C iv emission-line properties and systematic trends in quasar black hole mass estimates (2016) (68)
MULTIWAVELENGTH STUDY OF QUIESCENT STATES OF Mrk 421 WITH UNPRECEDENTED HARD X-RAY COVERAGE PROVIDED BY NuSTAR IN 2013 (2015) (68)
THE SLOAN DIGITAL SKY SURVEY QUASAR LENS SEARCH. VI. CONSTRAINTS ON DARK ENERGY AND THE EVOLUTION OF MASSIVE GALAXIES (2012) (67)
A Large, Uniform Sample of X-Ray-emitting Active Galactic Nuclei from the ROSAT All Sky and Sloan Digital Sky Surveys: The Data Release 5 Sample (2006) (67)
Extremely red quasars from SDSS, BOSS and WISE: classification of optical spectra (2014) (66)
EIGHT-DIMENSIONAL MID-INFRARED/OPTICAL BAYESIAN QUASAR SELECTION (2008) (66)
The Sloan Digital Sky Survey Reverberation Mapping Project: Sample Characterization (2018) (65)
A THREE-YEAR MULTI-WAVELENGTH STUDY OF THE VERY-HIGH-ENERGY γ-RAY BLAZAR 1ES 0229+200 (2013) (65)
THE SLOAN DIGITAL SKY SURVEY STRIPE 82 IMAGING DATA: DEPTH-OPTIMIZED CO-ADDS OVER 300 deg2 IN FIVE FILTERS (2014) (64)
Chandra and XMM-Newton Observations of the First Quasars: X-Rays from the Age of Cosmic Enlightenment (2003) (63)
Photometric Redshifts from Reconstructed Quasar Templates (2001) (63)
Extremely red quasars in BOSS (2016) (63)
A POPULATION OF X-RAY WEAK QUASARS: PHL 1811 ANALOGS AT HIGH REDSHIFT (2011) (62)
The X-Ray Spectral Properties and Variability of Luminous High-Redshift Active Galactic Nuclei (2005) (62)
A FULL YEAR'S CHANDRA EXPOSURE ON SLOAN DIGITAL SKY SURVEY QUASARS FROM THE CHANDRA MULTIWAVELENGTH PROJECT (2008) (61)
A Snapshot Survey for Gravitational Lenses among z ≥ 4.0 Quasars. II. Constraints on the 4.0 < z < 5.4 Quasar Population (2003) (61)
GAMMA-RAYS FROM THE QUASAR PKS 1441+25: STORY OF AN ESCAPE (2015) (61)
Discovery of Two Gravitationally Lensed Quasars with Image Separations of 3'' from the Sloan Digital Sky Survey (2004) (58)
Determining the Fraction of Intrinsic C IV Absorption in Quasi-stellar Object Absorption-Line Systems (1999) (58)
BAYESIAN HIGH-REDSHIFT QUASAR CLASSIFICATION FROM OPTICAL AND MID-IR PHOTOMETRY (2015) (56)
Broad Absorption Line Quasars in the Sloan Digital Sky Survey with VLA FIRST Radio Detections (2001) (56)
QUASAR CLASSIFICATION USING COLOR AND VARIABILITY (2015) (54)
THE 31 DEG2 RELEASE OF THE STRIPE 82 X-RAY SURVEY: THE POINT SOURCE CATALOG (2015) (52)
Candidate Type II Quasars from the Sloan Digital Sky Survey. III. Spectropolarimetry Reveals Hidden Type I Nuclei (2004) (52)
THE MID-INFRARED CONTINUA OF SEYFERT GALAXIES (2009) (52)
QSO Absorption Lines from QSOS (2006) (52)
MINING FOR DUST IN TYPE 1 QUASARS (2014) (50)
Gamma-ray Observations of Tycho’s Supernova Remnant with VERITAS and Fermi (2017) (50)
FIRST NuSTAR OBSERVATIONS OF MRK 501 WITHIN A RADIO TO TeV MULTI-INSTRUMENT CAMPAIGN (2015) (48)
Finding rare AGN: XMM–Newton and Chandra observations of SDSS Stripe 82 (2013) (46)
SPATIALLY RESOLVING THE VERY HIGH ENERGY EMISSION FROM MGRO J2019+37 WITH VERITAS (2014) (45)
ON THE POPULATIONS OF RADIO GALAXIES WITH EXTENDED MORPHOLOGY AT z < 0.3 (2010) (44)
Multiband variability studies and novel broadband SED modeling of Mrk 501 in 2009 (2016) (43)
X-RAY INSIGHTS INTO THE NATURE OF WEAK EMISSION-LINE QUASARS AT HIGH REDSHIFT (2009) (43)
SDSS J090334.92+502819.2: A New Gravitational Lens (2003) (42)
OBSERVATIONS OF THE UNIDENTIFIED GAMMA-RAY SOURCE TeV J2032+4130 BY VERITAS (2014) (42)
Discovery of a Fifth Image of the Large Separation Gravitationally Lensed Quasar SDSS J1004+4112 (2005) (41)
Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign (2021) (41)
DUSTY TORI OF LUMINOUS TYPE 1 QUASARS AT z ∼ 2 (2011) (41)
High-resolution VLA Imaging of SDSS Stripe 82 at 1.4 GHz (2011) (40)
Extreme HBL behavior of Markarian 501 during 2012 (2018) (40)
Photohadronic origin of γ-ray BL Lac emission: implications for IceCube neutrinos (2015) (39)
Search for Magnetically Broadened Cascade Emission from Blazars with VERITAS (2017) (39)
The most powerful flaring activity from the NLSy1 PMN J0948+0022 (2014) (39)
The UV Properties of SDSS-Selected Quasars (2006) (38)
A SEARCH FOR BRIEF OPTICAL FLASHES ASSOCIATED WITH THE SETI TARGET KIC 8462852 (2016) (37)
L Dwarfs Found in Sloan Digital Sky Survey Commissioning Data. II. Hobby-Eberly Telescope Observations (2001) (37)
Intrinsic Absorption in Radio-Selected Quasars (2001) (37)
Spectroscopic Observations and Analysis of the Unusual Type Ia SN 1999ac (2005) (37)
MEAN AND EXTREME RADIO PROPERTIES OF QUASARS AND THE ORIGIN OF RADIO EMISSION (2014) (37)
THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: ENSEMBLE SPECTROSCOPIC VARIABILITY OF QUASAR BROAD EMISSION LINES (2015) (36)
A SEARCH FOR ENHANCED VERY HIGH ENERGY GAMMA-RAY EMISSION FROM THE 2013 MARCH CRAB NEBULA FLARE (2013) (36)
Average Properties of a Large Sample of zabs ~ zem Associated Mg II Absorption Line Systems (2008) (36)
AGN Populations in Large-volume X-Ray Surveys: Photometric Redshifts and Population Types Found in the Stripe 82X Survey (2017) (35)
Multiwavelength follow-up of a rare IceCube neutrino multiplet (2017) (35)
DEEP BROADBAND OBSERVATIONS OF THE DISTANT GAMMA-RAY BLAZAR PKS 1424+240 (2014) (35)
DETECTION OF REST-FRAME OPTICAL LINES FROM X-SHOOTER SPECTROSCOPY OF WEAK EMISSION-LINE QUASARS (2015) (35)
SDSS J024634.11−082536.2: A New Gravitationally Lensed Quasar from the Sloan Digital Sky Survey (2005) (34)
Chandra Observations of SDSS J1004+4112: Constraints on the Lensing Cluster and Anomalous X-Ray Flux Ratios of the Quadruply Imaged Quasar (2006) (34)
SpIES: THE SPITZER IRAC EQUATORIAL SURVEY (2012) (34)
The environments of z ∼ 1 active galactic nuclei at 3.6 μm (2010) (33)
The Hidden Fortress: Structure and substructure of the complex strong lensing cluster SDSS J1029+2623 (2012) (33)
An Investigation into the Effects of Luminosity on the Mid-Infrared Spectral Energy Distributions of Radio-quiet Quasars (2007) (33)
SDSS J1029+2623: A Gravitationally Lensed Quasar with an Image Separation of 22.″5 (2006) (32)
Periastron Observations of TeV Gamma-Ray Emission from a Binary System with a 50-year Period (2018) (32)
The Clustering of High-redshift (2.9 ≤ z ≤ 5.1) Quasars in SDSS Stripe 82 (2017) (32)
A Very High Energy γ-Ray Survey toward the Cygnus Region of the Galaxy (2018) (31)
X-Ray Insights into Interpreting C IV Blueshifts and Optical/Ultraviolet Continua (2004) (31)
The Third Image of the Large-Separation Lensed Quasar SDSS J1029+2623 (2008) (31)
Clustering on very small scales from a large sample of confirmed quasar pairs: does quasar clustering track from Mpc to kpc scales? (2017) (30)
Winds as the origin of radio emission in z = 2.5 radio-quiet extremely red quasars (2018) (30)
SDSS J115517.35+634622.0: A Newly Discovered Gravitationally Lensed Quasar (2003) (30)
The Ultraviolet, Optical, and Infrared Properties of Sloan Digital Sky Survey Sources Detected by GALEX (2005) (30)
SDSS J1335+0118: A New Two-Image Gravitational Lens (2003) (29)
C iv EMISSION AND THE ULTRAVIOLET THROUGH X-RAY SPECTRAL ENERGY DISTRIBUTION OF RADIO-QUIET QUASARS (2011) (29)
Finding rare AGN: X-ray number counts of Chandra sources in Stripe 82 (2012) (29)
SDSS J0806+2006 and SDSS J1353+1138: Two New Gravitationally Lensed Quasars from the Sloan Digital Sky Survey (2005) (29)
DISCOVERY OF A NEW TeV GAMMA-RAY SOURCE: VER J0521+211 (2013) (29)
Measurement of cosmic-ray electrons at TeV energies by VERITAS (2018) (29)
DISCOVERY OF A RADIO-SELECTED z ∼ 6 QUASAR (2011) (29)
VERITAS Observations of the BL Lac Object TXS 0506+056 (2018) (28)
Extracting information from AGN variability (2016) (28)
Very high-energy gamma-ray follow-up program using neutrino triggers from IceCube (2016) (28)
INVESTIGATING THE TeV MORPHOLOGY OF MGRO J1908+06 WITH VERITAS (2014) (27)
Exploratory Chandra Observations of the Three Highest Redshift Quasars Known (2002) (26)
Connecting the X-ray properties of weak-line and typical quasars: testing for a geometrically thick accretion disk (2018) (26)
BAL and non-BAL quasars: continuum, emission, and absorption properties establish a common parent sample (2019) (26)
UPPER LIMITS FROM FIVE YEARS OF BLAZAR OBSERVATIONS WITH THE VERITAS CHERENKOV TELESCOPES (2016) (26)
TEV GAMMA-RAY OBSERVATIONS OF THE GALACTIC CENTER RIDGE BY VERITAS (2016) (26)
INVESTIGATING BROADBAND VARIABILITY OF THE TeV BLAZAR 1ES 1959+650 (2014) (26)
Demonstration of stellar intensity interferometry with the four VERITAS telescopes (2020) (25)
CONSTRAINTS ON VERY HIGH ENERGY EMISSION FROM GRB 130427A (2014) (25)
Measurement of the Extragalactic Background Light Spectral Energy Distribution with VERITAS (2019) (25)
SDSS J102111.02+491330.4: A Newly Discovered Gravitationally Lensed Quasar (2005) (25)
VERITAS DETECTION OF γ-RAY FLARING ACTIVITY FROM THE BL LAC OBJECT 1ES 1727+502 DURING BRIGHT MOONLIGHT OBSERVATIONS (2015) (25)
Optimization of the Observing Cadence for the Rubin Observatory Legacy Survey of Space and Time: A Pioneering Process of Community-focused Experimental Design (2021) (24)
The Sloan Digital Sky Survey Reverberation Mapping Project: The C iv Blueshift, Its Variability, and Its Dependence Upon Quasar Properties (2018) (24)
A SEARCH FOR PULSATIONS FROM GEMINGA ABOVE 100 GeV WITH VERITAS (2014) (24)
A SEARCH FOR SPECTRAL HYSTERESIS AND ENERGY-DEPENDENT TIME LAGS FROM X-RAY AND TeV GAMMA-RAY OBSERVATIONS OF Mrk 421 (2016) (24)
Discovery of a Pair of z = 4.25 Quasars from the Sloan Digital Sky Survey (2000) (23)
ASTROMETRIC REDSHIFTS FOR QUASARS (2009) (23)
THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: AN INVESTIGATION OF BIASES IN C iv EMISSION LINE PROPERTIES (2016) (23)
Catalog of Four-Color Photometry of Stars, Galaxies, and QSOs Using SDSS Filters (1999) (23)
Two New Gravitationally Lensed Double Quasars from the Sloan Digital Sky Survey (2006) (23)
High-redshift Extremely Red Quasars in X-Rays (2018) (23)
MULTIWAVELENGTH OBSERVATIONS OF THE TeV BINARY LS I +61° 303 WITH VERITAS, Fermi-LAT, AND Swift/XRT DURING A TeV OUTBURST (2013) (22)
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. VI. Sloan Digital Sky Survey Spectrograph Observations (2001) (22)
VERY-HIGH ENERGY OBSERVATIONS OF THE GALACTIC CENTER REGION BY VERITAS IN 2010–2012 (2014) (22)
The Redshift of a Lensing Galaxy in PMN J0134–0931 (2002) (22)
Discovery of a Gravitationally Lensed Quasar from the Sloan Digital Sky Survey: SDSS J133222.62+034739.9 (2006) (20)
CLOSE COMPANIONS TO TWO HIGH-REDSHIFT QUASARS (2014) (20)
LONG TERM OBSERVATIONS OF B2 1215+30 WITH VERITAS (2013) (20)
Optical selection of quasars: SDSS and LSST (2013) (19)
A New Quadruply Lensed Quasar: SDSS J125107.57+293540.5 (2007) (19)
A Survey of z > 5.7 Quasars in the Sloan Digital Sky Survey. III. Discovery of Five Additional Quasars (2004) (19)
Stochastic Modeling Handbook for Optical AGN Variability (2019) (19)
A MULTIWAVELENGTH STUDY OF BINARY QUASARS AND THEIR ENVIRONMENTS (2011) (19)
Quasar Absorption Lines as a Function of Quasar Orientation Measures (2001) (19)
Chandra Observations of Red Sloan Digital Sky Survey Quasars (2006) (18)
Evidence for Proton Acceleration up to TeV Energies Based on VERITAS and Fermi-LAT Observations of the Cas A SNR (2020) (18)
Gamma-ray Observations Under Bright Moonlight with VERITAS (2017) (18)
SDSS-III: The Baryon Oscillation Spectroscopic Survey (BOSS) (2007) (17)
VERITAS and Fermi-LAT Observations of TeV Gamma-Ray Sources Discovered by HAWC in the 2HWC Catalog (2018) (17)
A Luminous and Isolated Gamma-Ray Flare from the Blazar B2 1215+30 (2017) (17)
The z = 0.54 LoBAL Quasar SDSS J085053.12+445122.5. I. Spectral Synthesis Analysis Reveals a Massive Outflow (2018) (16)
Spectral Variability of Quasars in the Sloan Digital Sky Survey. I. Wavelength Dependence (2005) (15)
WEAK LINE QUASARS AT HIGH REDSHIFT: EXTREMELY HIGH ACCRETION RATES OR ANEMIC BROAD-LINE REGIONS? (2010) (15)
Seoul National University Bright Quasar Survey in Optical (SNUQSO). I. First Phase Observations and Results (2008) (15)
Steep Hard-X-Ray Spectra Indicate Extremely High Accretion Rates in Weak Emission-line Quasars (2018) (15)
THE ULTRAVIOLET-TO-MID-INFRARED SPECTRAL ENERGY DISTRIBUTION OF WEAK EMISSION LINE QUASARS (2011) (14)
Galaxies with background QSOs - I. A search for strong galactic Hα lines (2012) (14)
FIRST 0747+2739: A FIRST/2MASS Quasar with an Overabundance of C IV Absorption Systems (2002) (14)
Direct measurement of stellar angular diameters by the VERITAS Cherenkov telescopes (2019) (14)
HESS J1943+213: An Extreme Blazar Shining through the Galactic Plane (2018) (14)
THE SDSS VIEW OF THE PALOMAR-GREEN BRIGHT QUASAR SURVEY (2020) (13)
Science Highlights from VERITAS (2015) (13)
VERITAS and Fermi-LAT observations of new HAWC sources (2018) (13)
EXCEPTIONALLY BRIGHT TEV FLARES FROM THE BINARY LS I +61° 303 (2016) (13)
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. III. A Color-selected Sample at i* < 20 in the Fall Equatorial Stripe (2001) (13)
Kinematics of C iv and [O iii] emission in luminous high-redshift quasars (2019) (12)
ON R − W1 AS A DIAGNOSTIC TO DISCOVER OBSCURED ACTIVE GALACTIC NUCLEI IN WIDE-AREA X-RAY SURVEYS (2015) (12)
A Catalog of Broad Absorption Line Quasars from the Sloan Digital Sky Survey Third Data Release (2006) (12)
Do the Kepler AGN light curves need reprocessing (2015) (12)
The Hunt for Red Quasars: Luminous Obscured Black Hole Growth Unveiled in the Stripe 82 X-Ray Survey (2017) (12)
VERITAS OBSERVATIONS OF THE MICROQUASAR CYGNUS X-3 (2013) (12)
ANALYZING THE FLUX ANOMALIES OF THE LARGE-SEPARATION LENSED QUASAR SDSS J1029+2623 (2010) (12)
A Decade of Multiwavelength Observations of the TeV Blazar 1ES 1215+303: Extreme Shift of the Synchrotron Peak Frequency and Long-term Optical–Gamma-Ray Flux Increase (2020) (12)
VERITAS Discovery of VHE Emission from the Radio Galaxy 3C 264: A Multiwavelength Study (2020) (12)
The Optical and Near-Infrared Properties of 2837 Quasars in the UKIRT Infrared Deep Sky Survey (UKIDSS) (2006) (11)
Massive-Scale Kernel Discriminant Analysis: Mining for Quasars (2008) (11)
MILLIJANSKY RADIO VARIABILITY IN SDSS STRIPE 82 (2013) (11)
The Great Markarian 421 Flare of 2010 February: Multiwavelength Variability and Correlation Studies (2020) (11)
THE CHANDRA VIEW OF THE LARGEST QUASAR LENS SDSS J1029+2623 (2012) (11)
An FeLoBAL Binary Quasar (2002) (10)
The Spitzer Extragalactic Representative Volume Survey (SERVS): Survey Deﬁnition and Goals (2012) (10)
Characterizing Quasar C iv Emission-line Measurements from Time-resolved Spectroscopy (2020) (10)
AGN Variability Analysis Handbook (2018) (10)
The UV, Optical, and IR Properties of SDSS Sources Detected by GALEX (2005) (10)
QUASAR PHOTOMETRY WITH THE SDSS MONITOR TELESCOPE (1997) (10)
The z = 0.54 LoBAL Quasar SDSS J085053.12+445122.5. II. The Nature of Partial Covering in the Broad-absorption-line Outflow (2018) (9)
VizieR Online Data Catalog: The SDSS-DR7 quasar catalog (Schneider+, 2010) (2010) (9)
A Spitzer survey of Deep Drilling Fields to be targeted by the Vera C. Rubin Observatory Legacy Survey of Space and Time (2020) (9)
Characterizing quasars in the mid-infrared: high signal-to-noise ratio spectral templates (2013) (8)
Discovery of very high energy gamma rays from 1ES 1440+122 (2016) (8)
Agn outflows in emission and absorption: the sdss perspective (2006) (8)
VERITAS and multiwavelength observations of the BL Lacertae object 1ES 1741+196 (2016) (8)
A Strong Limit on the Very-high-energy Emission from GRB 150323A (2018) (7)
FOLD LENS FLUX ANOMALIES: A GEOMETRIC APPROACH (2009) (7)
Very-High-Energy γ-Ray Observations of the Blazar 1ES 2344+514 with VERITAS (2017) (7)
Discovery of a Remarkably Powerful Broad Absorption-line Quasar Outflow in SDSS J135246.37+423923.5 (2020) (7)
Contributions of the Cherenkov Telescope Array (CTA) to the 6th International Symposium on High-Energy Gamma-Ray Astronomy (Gamma 2016) (2016) (7)
Active Galaxy Science in the LSST Deep-Drilling Fields: Footprints, Cadence Requirements, and Total-Depth Requirements (2018) (7)
Narrow, intrinsic C iv absorption in quasars as it relates to outflows, orientation, and radio properties (2019) (6)
VERITAS Observations of the Galactic Center Region at Multi-TeV Gamma-Ray Energies (2021) (6)
THE SLOAN DIGITAL SKY SURVEY QUASAR LENS SEARCH. IV. STATISTICAL LENS SAMPLE FROM THE FIFTH DATA RELEASE (2010) (6)
The Next Decade of Astroinformatics and Astrostatistics (2019) (6)
Computational AstroStatistics: Fast and Efficient Tools for Analysing Huge Astronomical Data Sources (2001) (6)
X-rays from the first massive black holes (2002) (6)
A SEARCH FOR VERY HIGH ENERGY GAMMA RAYS FROM THE MISSING LINK BINARY PULSAR J1023+0038 WITH VERITAS (2016) (6)
Tracing quasar narrow-line regions across redshift: a library of high-S/N optical spectra (2015) (6)
Probing the Properties of the Pulsar Wind in the Gamma-Ray Binary HESS J0632+057 with NuSTAR and VERITAS Observations (2019) (6)
CIV Emission as a Probe of Accretion Disk Winds (2012) (5)
Quasar variability measurements with SDSS repeated imaging and POSS data (2004) (5)
CTA contributions to the 33rd International Cosmic Ray Conference (ICRC2013) (2013) (5)
Quasar Radio Dichotomy: Two Peaks, or not Two Peaks, that is the Question (2003) (4)
Insights into quasar UV spectra using unsupervised clustering analysis (2016) (4)
Examining AGN UV/Optical Variability beyond the Simple Damped Random Walk (2022) (4)
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. II. The Spring Equatorial Stripe (2000) (4)
High-Redshift Quasars Found in Sloan Digital Sky Survey Commissioning Data. V. Hobby-Eberly Telescope Observations (2001) (4)
Blazar Variability with the Vera C. Rubin Legacy Survey of Space and Time (2021) (3)
An F[CLC]e[/CLC]L[CLC]o[/CLC]BAL Binary Quasar (2002) (3)
The Physical Properties of Low-redshift FeLoBAL Quasars. II. The Rest-frame Optical Emission Line Properties (2022) (3)
New z > 6 Quasars Discovered in the Sloan Digital Sky Survey (2002) (3)
Unconventional AGN from the SDSS (2004) (3)
The extreme HBL behaviour of Markarian 501 during 2012 (2019) (3)
Exploring the link between C IV outflow kinematics and sublimation-temperature dust in quasars (2020) (3)
Exploring Changes in Quasar Spectral Energy Distributions across C iv Parameter Space (2022) (3)
ERRATUM: “THE OBSCURED FRACTION OF ACTIVE GALACTIC NUCLEI IN THE XMM-COSMOS SURVEY: A SPECTRAL ENERGY DISTRIBUTION PERSPECTIVE” (2013, ApJ, 777, 86) (2014) (3)
Discovery of Very-high-energy Emission from RGB J2243+203 and Derivation of Its Redshift Upper Limit (2017) (3)
TEST OF MODELS OF THE COSMIC INFRARED BACKGROUND WITH MULTIWAVELENGTH OBSERVATIONS OF THE BLAZAR 1ES 1218+30.4 IN 2009 (2014) (3)
Mapping the Inner Structure of Quasars with Time-Domain Spectroscopy (2019) (3)
ERRATUM: “A DESCRIPTION OF QUASAR VARIABILITY MEASURED USING REPEATED SDSS AND POSS IMAGING” (2012, ApJ, 753, 106) (2014) (2)
THE SLOAN DIGITAL SKY SURVEY QUASAR LENS SEARCH. II. STATISTICAL LENS SAMPLE FROM THETHIRD DATA RELEASE (2007) (2)
ERRATUM: “MINING FOR DUST IN TYPE 1 QUASARS” (2015, AJ, 149, 203) (2016) (2)
Gamma-ray observations of Tycho's SNR with VERITAS and Fermi (2017) (2)
A Novel Test of Quasar Orientation (2021) (2)
Testing of LSST AGN Selection Using Rolling Cadences (2018) (2)
The Distribution of Quasars and Galaxies in Radio Color-Color and Morphology Diagrams (2004) (2)
VERY HIGH ENERGY OBSERVATIONS OF THE BINARIES V 404 CYG AND 4U 0115+634 DURING GIANT X-RAY OUTBURSTS (2016) (2)
Physical Models for the Clustering of Obscured and Unobscured Quasars (2019) (2)
Vlt Optical and Near-ir Observations of the Z=6.28 Quasar Sdss 1030+0524 (2001) (2)
Quasars in the Sloan Digital Sky Survey I : Discovery of Three New Quasars and the Spatial Density of Luminous Quasars at z ∼ (2001) (2)
Placing LOFAR-detected quasars in C iv emission space: implications for winds, jets and star formation (2021) (2)
Evidence for the presence of dust in intervening QSO absorbers from the Sloan Digital Sky Survey (2005) (2)
Placing High-redshift Quasars in Perspective: A Catalog of Spectroscopic Properties from the Gemini Near Infrared Spectrograph–Distant Quasar Survey (2020) (2)
Probing the Wind Component of Radio Emission in Luminous High-redshift Quasars (2021) (2)
Broad Absorption Line Quasars from the Sloan Digital Sky Survey Second Data Release (2003) (1)
THE SDSS QUASAR SURVEY(S): PROBING THE PHYSICS OF QUASARS (2004) (1)
The Physical Properties of Low-redshift FeLoBAL Quasars. I. Spectral-synthesis Analysis of the Broad Absorption-line (BAL) Outflows Using SimBAL (2022) (1)
The Physical Properties of Low-redshift FeLoBAL Quasars. III. The Location and Geometry of the Outflows (2022) (1)
Kiloparsec-scale Radio Structure in z ∼ 0.25 Radio-quiet QSOs (2022) (1)
Blueshifting of CIV and the Baldwin Effect in 18,000 SDSS Quasars (2010) (1)
Optical-IR SEDs of SDSS quasars in the Spitzer First Look Survey (2006) (1)
Quasars: The Observational Perspectives (2012) (1)
Average Extinction Curves and Abundances at 1 (2005) (1)
Analysis of Long-term Systematic Errors in Kepler K2 (2018) (1)
Broad Absorption Line Quasars in the SDSS (2004) (1)
The Physical Properties of Low Redshift FeLoBAL Quasars. I. Spectral Synthesis Analysis of the BAL Outflows using SimBAL (2022) (1)
Connecting Low- and High-redshift Weak Emission-line Quasars via Hubble Space Telescope Spectroscopy of Lyα Emission (2022) (1)
Can X-Ray Observations Improve Optical-UV-based Accretion-rate Estimates for Quasars? (2022) (1)
Catalog of Four-Color Photometry of Stars , Galaxies , and QSOs using SDSSFiltersHeidi (2007) (1)
CIV Distance (2021) (1)
Erratum: “A Snapshot Survey for Gravitational Lenses among z ≥ 4.0 Quasars. II. Constraints on the 4.0 < z < 5.4 Quasar Population” (AJ, 131, 49 [2006]) (2006) (1)
Bayesian Quasar Selection and the Quasar Luminosity Function (2008) (1)
SDSS Quasars and Dust Reddening (2003) (0)
Discovery of a remarkably powerful broad absorption line quasar outflow in SDSS J1352+4239 (2019) (0)
A Set of Nearby SNe Ia Lightcurves (2004) (0)
VizieR Online Data Catalog: SDSS-RM project: technical overview (Shen+, 2015) (2015) (0)
The Ultimate Multiwavelength Quasar Survey (ROSES-2011) (2011) (0)
Microlensing of the broad emission line region in the lensed quasar J1004+4112 (2023) (0)
AGN Accretion Physics in the Time Domain: Survey Cadences, Stochastic Analysis, and Physical Interpretations (2018) (0)
VizieR Online Data Catalog: The quasars MMT-BOSS pilot survey (Ross+, 2012) (2012) (0)
SDSS J 092455 . 87 + 021924 . 9 : an Interesting Gravitationally Lensed Quasar from the Sloan Digital Sky Survey (0)
VizieR Online Data Catalog: SDSS Quasar Catalog, DR9Q (Paris+, 2012) (2012) (0)
Infrared spectroscopic confirmation of z ∼ 2 photometrically-selected obscured quasars (2023) (0)
VizieR Online Data Catalog: QSO properties from SDSS-DR7 (Shen+, 2011) (2012) (0)
Characterizing the Environment, Emission Geometry, and Radiative History of Quasars using Projected Quasar Pairs (2006) (0)
Radio Quiet-er: The Search for Radio-Silence within CIV Emission Line Parameter Space (2011) (0)
Active galactic nuclei: what’s in a name? (2017) (0)
VERITAS γ-Ray Observations of 1 ES 2344 + 514 1 Very-High-Energy γ-Ray Observations of the Blazar 1 ES 2344 + 514 with VERITAS (2017) (0)
Science with the VLA Sky Survey (VLASS) (2015) (0)
Stripe 82 X: An X-ray/Multiwavelength Survey in the SDSS Stripe 82 Equatorial Field (2013) (0)
Setting up the Sloan Digital Sky Survey Standard Star Network: The Hardware (1998) (0)
The Power of Exploratory Chandra Observations (2004) (0)
High-redshift Quasars from the Sloan Digital Sky Survey (1999) (0)
Characterizing Single-Epoch CIV Emission-Line Measurements in SDSSRM with ICA (2020) (0)
BAL Quasars in the VLA FIRST Survey (1997) (0)
A Transformative Multi-Object AGN Reverberation Mapping Campaign: Improving Spectrophotometry (2014) (0)
VizieR Online Data Catalog: Spectra of quasar narrow-line regions (Tammour+, 2015) (2015) (0)
Counts of Low-redshift SDSS Quasar Candidates (2003) (0)
VizieR Online Data Catalog: Mrk421 in March 2010 (Aleksic+, 2015) (2015) (0)
VizieR Online Data Catalog: Five years of blazar observations with VERITAS (Archambault+, 2016) (2018) (0)
SDSSJ102111.02+491330.4: A Newly Discovered Gravitationally (2006) (0)
Nonparametric Bayesian classification with massive datasets: Large-scale quasar discovery (2006) (0)
Improving LSST Photometric Redshifts using Differential Chromatic Refraction (2017) (0)
The Stripe 82X Multiwavelength Survey of Supermassive Black Hole Growth in Powerful AGN (2016) (0)
Probing Systematic Bias in the Reverberation Mapped Quasar Sample (2014) (0)
SimBAL: Spectral Synthesis for Broad Absorption Line Quasars (2019) (0)
Quasars in the Cosmic Environment (2012) (0)
Structure Function Analysis of AGN Variability using Kepler (2014) (0)
J un 2 00 5 SDSS J 0246 − 0825 : A New Gravitationally Lensed Quasar from the Sloan Digital Sky Survey 1 (2006) (0)
VizieR Online Data Catalog: X-ray Observations of Stripe 82 (LaMassa+, 2016) (2016) (0)
z̃ 6 Quasars from the Sloan Digital Sky Survey (2004) (0)
Correcting C $\small \text{IV}$-Based Virial Black Hole Masses (2017) (0)
Analyzing LSST-like Quasar Light Curves with Kriging (2018) (0)
VizieR Online Data Catalog: Sample of confirmed quasar pairs (Eftekharzadeh+, 2017) (2020) (0)
A Metric for Differential Chromatic Refraction in the Context of the Legacy Survey of Space and Time (2020) (0)
Bok Telescope; with the Kitt Peak National Observatory 4-meter Mayall Telescope, with the 6.5-meter Walter Baade (2005) (0)
Luminous, High-z, Type-2 Quasars are Still Missing (2017) (0)
AGN Science with LSST (2004) (0)
VizieR Online Data Catalog: SpIES: the Spitzer IRAC Equatorial Survey (Timlin+, 2016) (2016) (0)
Multiwavelength Diagnostics of Quasar Accretion Power (2020) (0)
VizieR Online Data Catalog: Stripe 82X survey multiwavelength catalog (Ananna+, 2017) (2019) (0)
Gemini Near Infrared Spectrograph Distant Quasar Survey: The First Year (2019) (0)
Mean SEDs and Bolometric Corrections for SDSS Selected Quasars (2012) (0)
Discovery of the First Changing-Look Quasar (2015) (0)
Optically identified BL Lacs from SDSS (2004) (0)
GNIRS-DQS: A Gemini Near Infrared Spectrograph Distant Quasar Survey (2018) (0)
Supernovae 1999as and 1999at in Anonymous Galaxies (1999) (0)
A 14.6 Arcsecond Quasar Lens Split by a Massive Dark Matter Halo (2003) (0)
Erratum: “Optically Identified BL Lacertae Objects from the Sloan Digital Sky Survey” (AJ, 129, 2542 [2005]) (2006) (0)
Radio Color-Color Diagrams for Extragalactic Sources (2002) (0)
VizieR Online Data Catalog: QSOs selection from SDSS and WISE (Richards+, 2015) (2015) (0)
Newly Recognized QSO/Galaxy Pairs at Small Impact Parameters for Low Redshift Galaxies (2008) (0)
Automated Selection of QSO Candidates from Multicolor Photometry in SDSS Passbands (1998) (0)
Gemini Near Infrared Spectrograph -- Distant Quasar Survey: Augmented Spectroscopic Catalog and a Prescription for Correcting UV-Based Quasar Redshifts (2023) (0)
Using X-rays to Test for Black Hole Mass Biases (2012) (0)
VERITAS contributions to the 33rd International Cosmic Ray Conference (2013) (0)
03 10 33 6 v 1 1 3 O ct 2 00 3 The Ensemble Photometric Variability of ∼ 25000 Quasars in the Sloan Digital Sky Survey (2003) (0)
VizieR Online Data Catalog: Extremely red quasars in BOSS (Hamann+, 2017) (2018) (0)
Quasar Selection using Optical Photometry and Variability (2015) (0)
AGN Variability: Damped Harmonic Oscillator (DHO) model vs. the Damped Random Walk (DRW) (2019) (0)
The High Redshift Universe with Constellation-X (2005) (0)
A ug 2 00 4 An Empirical Algorithm for Broad-band Photometric Redshifts of Quasars from the Sloan Digital Sky Survey (2004) (0)
VizieR Online Data Catalog: Lag measurements for 15 z<0.8 QSOs from the SDSS-RM (Shen+, 2016) (2016) (0)
Leveraging Differential Chromatic Refraction in LSST (2018) (0)
VizieR Online Data Catalog: Multiwavelength observations of Mrk 501 in 2008 (Aleksic+, 2015) (2014) (0)
Investigating X-ray Bias in Low-L, Low-z Quasars (2016) (0)
Mining the Infrared Sky for High-Redshift Quasars (2016) (0)
Supernovae 1999bc and 1999bd (1999) (0)
Erratum: "Double-peaked Low-Ionization Emission Lines in Active Galactic Nuclei" ([URL ADDRESS="/cgi-bin/resolve?2003AJ....126.1720S" STATUS="OKAY"]AJ, 126, 1720 [2003][/URL]) (2005) (0)
AGN Variability: Probing Black Hole Accretion (2017) (0)
A DESIGN CONCEPT FOR A VERY LARGE ARRAY SKY SURVEY (2013) (0)
Exceptional X-ray Weak Quasars: Implications for Accretion Flows (2014) (0)
A large sample of double-peaked Hα lines and AGN accretion disks (2004) (0)
Multi-dimensional Quasar Selection from Optical, Near-IR, and Astrometric Data (2012) (0)
EMPCA and Cluster Analysis of Quasar Spectra: Sample Preparation and Validation (2017) (0)
The Sloan Digital Sky Survey monitor telescope pipeline how this access benefits you. Your story matters (2008) (0)
Constraints on Quasar Continuum, BELR, and BALR Physics from SDSS Composite Spectra (2003) (0)
Stripe 82 X: X-ray Survey of SDSS Stripe 82 (2013) (0)
The SDSS-III BOSS DR9 Quasar Luminosity Function (2012) (0)
DRAFT : The Spitzer Extragalactic Representive Volume Survey ( SERVS ) : survey definition and goals (2010) (0)
X-ray Properties of Dust Reddened Quasars from the Sloan Digital Sky Survey (2003) (0)
Cadence Requirements for AGN Accretion Studies with LSST (2016) (0)
Erratum: “Double-peaked Low-Ionization Emission Lines in Active Galactic Nuclei” (AJ, 126, 1720 [2003]) (2005) (0)
Gemini Near Infrared Spectrograph Distant Quasar Survey: Initial Results (2020) (0)
The link between quasar broad-line region and galaxy-scale outflows and accurate CIV-based black hole masses (2017) (0)
Quasar Selection in the Optical + MIR (2015) (0)
Cosmic Feedback: Constraining AGN Outflows (2005) (0)
VERITAS Detection of LS 5039 and HESS J1825-137 (2020) (0)
A pr 2 00 3 The Host Galaxies of AGN (2003) (0)
XMM-Newton Proposal 03031907 (2004) (0)
ERRATUM: “SPACE DENSITY OF OPTICALLY SELECTED TYPE 2 QUASARS” (2008, AJ, 136, 2373) (2010) (0)
H E ] 2 3 D ec 2 01 3 A Three-Year Multi-Wavelength Study of the Very High Energy γ-ray Blazar 1 ES 0229 + 200 (2018) (0)
Discovery of a Close Pair of z = 4 . 25 Quasars from the Sloan Digital Sky Survey (2019) (0)
Erratum: Finding rare AGN: XMM-Newton and Chandra observations of SDSS Stripe 82 (2016) (0)
VizieR Online Data Catalog: BAL QSOs from SDSS DR3 (Trump+, 2006) (2007) (0)
Shedding New Light on Weak Emission-Line Quasars in the C$_{\rm IV}$-H$\beta$ Parameter Space (2023) (0)
Gemini Near Infrared Spectrograph - Distant Quasar Survey: Prescriptions for Calibrating UV-Based Estimates of Supermassive Black Hole Masses in High-Redshift Quasars (2023) (0)
LSST AGN SC Cadence Note: Type-1 Quasar Variability in the Context of Photometric Redshifts (2021) (0)
Extreme BAL Quasars from the Sloan Digital Sky Survey (2001) (0)
M ay 2 00 3 The First Data Release of the Sloan Digital Sky Survey (2014) (0)
A Newly Discovered Gravitationally Lensed Quasar (2003) (0)
Composite Spectra of Quasar Sub-Classes in the Sloan Digital Sky Survey (2001) (0)
Black Hole Accretion and Outflows at z̃ 2 (2004) (0)
FROM THE FIRST MASSIVE BLACK HOLES (2003) (0)
Multidimensional Quasar Classification for Next Generation Surveys (2014) (0)
X-ray Spectral Properties from Chandra Observations of SDSS QSOs to z=5 (2006) (0)
The Sloan Digital Sky Survey QSO absorption line catalogue (2005) (0)
Correlation of SDSS Quasar Properties with Eigenvector Trends (2002) (0)
The Economic Value of Space Telescope Servicing (2009) (0)
Quasar Outflows and Black Hole Masses (2016) (0)
Stripe 82 ACX: Archival Chandra Observations in SDSS Stripe 82 (2013) (0)
Infrared Spectral Energy Distributions of the Most Distant Quasars (2004) (0)
High Signal-to-Noise Ratio Mid-Infrared Quasar Spectral Templates (2013) (0)
LSSTC AGN Data Challenge 2021 (2021) (0)
Application of Independent Component Analysis to Legacy UV Quasar Spectra (2017) (0)
M ay 2 00 1 Composite Quasar Spectra From the Sloan Digital Sky Survey 1 (2001) (0)
10 Active Galactic Nuclei (2009) (0)
SimBAL: A Spectral Synthesis Approach to Analyzing Broad Absorption Line Quasar Spectra (2017) (0)
Testing AGN outflow and accretion models with CIV and HeII emission line demographics in z=2 quasars (2023) (0)
Ju l 2 00 3 Double-Peaked Low-Ionization Emission Lines in Active Galactic Nuclei (2003) (0)
Properties of a Previously Unidentified Instrumental Signature in Kepler/K2 That was Confused for AGN Variability (2020) (0)
Differential Chromatic Refraction in the Context of the Legacy Survey of Space and Time (2020) (0)
Near-IR through UV SEDs in SDSS Quasars (2010) (0)
Luminous Obscured AGN Unveiled in the Stripe 82 X-ray Survey (2018) (0)
PHL 1811 Analogs: A Population of X-ray Weak Quasars (2012) (0)
Composite Quasar Spectra from the Sloan Digital Sky Survey (2001) (0)

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