Jonathan McDowell

Jonathan McDowell's AcademicInfluence.com Rankings

Jonathan McDowell

Physics

#2790

World Rank

#4058

Historical Rank

Astrophysics

#118

World Rank

#132

Historical Rank

Astronomy

#1086

World Rank

#1776

Historical Rank

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Physics

Why Is Jonathan McDowell Influential?

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According to Wikipedia, Jonathan Christopher McDowell is an astronomer and astrophysicist at the Harvard–Smithsonian Center for Astrophysics. He is a staff member at the Chandra X-ray Observatory. McDowell is the author and editor of Jonathan's Space Report, an e-mail-distributed newsletter documenting satellite launches.

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Jonathan McDowell'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

Atlas of quasar energy distributions (1994) (1422)
CIAO: Chandra's data analysis system (2006) (761)
The Soft X-Ray Properties of a Complete Sample of Optically Selected Quasars. II. Final Results (1994) (444)
James Webb Space Telescope (2004) (435)
CfA3: 185 TYPE Ia SUPERNOVA LIGHT CURVES FROM THE CfA (2009) (352)
THE CHANDRA SOURCE CATALOG (2009) (347)
The Low Earth Orbit Satellite Population and Impacts of the SpaceX Starlink Constellation (2020) (145)
The environment of active galactic nuclei - I. A two-component broad emission line model. (1988) (99)
THE METALLICITY PROFILE OF M31 FROM SPECTROSCOPY OF HUNDREDS OF H ii REGIONS AND PNe (2012) (79)
Absorption in X-ray spectra of high-redshift quasars (1994) (71)
MERLIN and VLA observations of compact steep-spectrum radio sources (1989) (68)
Data analysis software (1997) (62)
Chandra Observations of Extended X-Ray Emission in Arp 220 (2003) (61)
Testing Models for the Quasar Big Blue Bump via Color-Color Diagrams (1995) (61)
Chandra Observations of Arp 220: The Nuclear Source (2002) (60)
The Far-Infrared Spectral Energy Distributions of X-Ray-selected Active Galaxies (2003) (56)
The X-Ray-faint Emission of the Supermassive Nuclear Black Hole of IC 1459 (2003) (52)
The Unusual Quasar PG 1407+265 (1995) (50)
Investigation of the Relation between the Spectral Energy Distributions and Emission Lines in Low-Redshift Quasars (1999) (46)
The Redshift of the Optical Transient Associated with GRB 010222 (2001) (44)
Rapid UBVRI Follow-up of the Highly Collimated Optical Afterglow of GRB 010222 (2001) (42)
Can pregalactic stars or black holes generate an IR background? (1983) (40)
Quasar X-ray spectra revisited (1993) (36)
A Chandra Survey of Nearby Spiral Galaxies. I. Point Source Catalogs (2005) (36)
The complex optical to soft x-ray spectrum of the low-redshift radio-quiet quasars (1994) (34)
Infrared to x-ray spectral energy distributions of high redshift quasars (1994) (33)
EXOSAT X-ray spectra of quasars (1992) (33)
Ultra-low delta-v objects and the human exploration of asteroids (2011) (33)
Simple Spectral Access Protocol Version 1.1 (2007) (33)
The X-Ray Binary Population in M33. I. Source List and Luminosity Function (2005) (30)
X-ray spectral evolution of high redshift quasars (1994) (29)
The ROSAT spectrum of 3C 351 - A warm absorber in an X-ray-'quiet' quasar? (1993) (29)
THE CHANDRA SURVEY OF THE SMALL MAGELLANIC CLOUD “BAR”. II. OPTICAL COUNTERPARTS OF X-RAY SOURCES (2008) (28)
The edge of space: Revisiting the Karman Line (2018) (26)
The light from Population III stars. (1986) (24)
Chandra Observations of the Dwarf Nova WX Hydri in Quiescence (2003) (23)
Microwave Anisotropy Probe (2001) (22)
Galaxy Evolution Explorer (2003) (22)
Chandra Observations of the Quiescent Nuclear Black Hole of NGC 821: Evidence of Nuclear Activity? (2004) (21)
X-ray constraints on the intergalactic medium (1994) (20)
X-Ray Emission from the Nuclear Region of Arp 220 (2017) (17)
PKS 0483-436 - A high-redshift quasar with strong X-ray absorption (1992) (17)
THE SPECTRAL ENERGY DISTRIBUTIONS OF RED TWO MICRON ALL SKY SURVEY ACTIVE GALACTIC NUCLEI (2009) (16)
The case for space environmentalism (2022) (16)
The White Dwarf Opportunity: Robust Detections of Molecules in Earth-like Exoplanet Atmospheres with the James Webb Space Telescope (2020) (16)
Reaching the peak of the quasar spectral energy distribution – II. Exploring the accretion disc, dusty torus and host galaxy (2016) (16)
The UCD1+ Controlled Vocabulary Version 1.23 (2005) (14)
Accretion radiation from nearby isolated black holes (1985) (14)
Weak bump quasars (1988) (13)
150 keV Emission from PKS 2149–306 with BeppoSAX (2000) (13)
Mars Global Surveyor (2002) (13)
Reaching the peak of the quasar spectral energy distribution – I. Observations and models (2015) (13)
The Complex Optical to Soft X-Ray Spectrum of Low-Redshift Radio-quiet Quasars. II. Comparison with Free-Free and Accretion Disk Models (1995) (12)
STATISTICAL CHARACTERIZATION OF THE CHANDRA SOURCE CATALOG (2011) (12)
THE SOFT X-RAY PROPERTIES OF A COMPLETE SAMPLE OF OPTICALLY SELECTED QUASARS (1996) (12)
Critical issues related to registration of space objects and transparency of space activities (2018) (11)
IVOA Recommendation: Data Model for Astronomical DataSet Characterisation (2011) (11)
An IVOA Standard for Unified Content Descriptors:Version 1.10 (2005) (10)
The X-Ray Binary Population in M33. II. X-Ray Spectra and Variability (2007) (10)
Gamma-ray Large Area Space Telescope (2006) (9)
Persistence and change in the soft X-ray spectrum of the quasar PG 1211 + 143 (1991) (9)
THE LUMINOSITY FUNCTION OF X-RAY SOURCES IN SPIRAL GALAXIES (2009) (9)
A Delta-V map of the known Main Belt Asteroids (2018) (9)
Submillimeter Wave Astronomy Satellite (2004) (7)
A MODEL FOR TYPE 2 CORONAL LINE FOREST (CLiF) AGNs (2016) (7)
Developing Sherpa with Python (2007) (7)
Spectral distortions of the cosmic microwave background (1989) (6)
The soft X-ray excess in Einstein quasar spectra (1992) (6)
Spectral Calibration of the ROSAT HRI (1996) (6)
IVOA Recommendation: Spectrum Data Model 1.1 (2012) (5)
UCD in the IVOA context (2004) (5)
The Spectral Energy Distributions of Red 2MASS AGN (2008) (4)
Q wind code release: a non-hydrodynamical approach to modelling line-driven winds in active galactic nuclei (2020) (4)
AN X-RAY PHOTOMETRY SYSTEM I: CHANDRA ACIS (2008) (4)
Performance of PLAT-I, a Floating Tidal Energy Platform for Inshore Applications (2017) (4)
First Steps toward a Multi-Parameter Optimisation Tool for Floating Tidal Platforms – Assessment of an LCoE-Based Site Selection Methodology (2017) (4)
Near-Earth Space (2000) (4)
A Vigorous Explorer Program (2009) (4)
Quasar X-Ray Spectra Revisited: Erratum (1994) (3)
How to handle calibration uncertainties in high-energy astrophysics (2008) (3)
Downloading the sky [virtual observatory] (2004) (3)
Jupiter Icy Moons Orbiter (2004) (3)
High Energy Solar Spectroscopic Imager (2001) (2)
Planning and developing the Chandra Source Catalog (2008) (2)
EUV EXCESSES IN QUASARS (1991) (2)
The QED (Quasar Energy Distributions) Atlas (1994) (2)
Beyond Simple AGN Unification with Chandra-observed 3CRR Sources at 0.5 < z < 1 (2021) (2)
Space Infrared Telescope Facility (2003) (2)
Sherpa: Goals and Design for Chandra and Beyond (2006) (2)
Far Ultraviolet Spectroscopic Explorer (2001) (2)
Numerically Modelling the Spatial Distribution of Weather Windows: Improving the Site Selection Methodology for Floating Tidal Platforms (2018) (2)
Spirit and Opportunity (Mars Exploration Rovers) (2003) (2)
The Webb Space Telescope (2002) (2)
Disentangling the AGN and Star formation Contributions to the Radio–X-Ray Emission of Radio-loud Quasars at 1 < Z < 2 (2020) (1)
Chandra Source Catalog Release 2.0 - The State of the Art Serendipitous X-ray Source Catalog (2019) (1)
Referencing STC in VOTable Version 2.0 (2010) (1)
Mars Express/Beagle-2 (2005) (1)
Infrared weak quasars (2008) (1)
Handling IFU Datasets in the Virtual Observatory (2007) (1)
Phobos and Mars orbit as a base for asteroid exploration and mining (2022) (1)
First results from a Chandra survey of the 'Bar' region of the SMC (2003) (1)
Further Out: Keeping Track of Deep Space Objects (2019) (1)
Emission Lines and the Spectral Energy Distributions of Quasars. (1996) (1)
Chandra Source Catalog 2.0 Spectral Properties and a ULX Case Study (2020) (1)
Imager for Magnetopause-to-Aurora Global Exploration (2000) (1)
Data analysis with the Chandra data model library (2001) (1)
The Chandra X-ray Observatory PSF Library (2001) (1)
AXAF Data and Data Manipulation Software: The ASC Data Model (1998) (1)
Sherpa. On the Move to Open Collaborative, Development (2014) (1)
Full-sky Astrometric Mapping Explorer (2002) (1)
IVOA Recommendation: IVOA Photometry Data Model (2014) (1)
Utype list for the Characterisation Data Model Version 1.11 (2007) (1)
National Virtual Observatory Efforts at SAO (2003) (1)
Where does outer space begin? (2020) (1)
IVOA Photometry Data Model (2011) (1)
Using color‐color diagrams to test models for the ‘‘blue bump’’ (1992) (0)
SEDs VS Emission-Line Correlations in Low Redshift Quasars (1999) (0)
Is There a Relation Between Optical Emission Line Strengths and Continuum Shapes (1989) (0)
International Virtual Observatory Alliance (2008) (0)
ASC Data Structures and Model (1995) (0)
56 2 v 1 2 0 O ct 2 00 3 First results from a Chandra survey of the ’ Bar ’ region of the SMC By (2019) (0)
The Unusual Weak-line Quasar PG1407+265 and Its Foreground z ∼ 0.7 X-Ray Cluster (2021) (0)
QWIND code release: a non-hydrodynamical approach to modelling line-driven winds in active galactic nuclei (2020) (0)
Space astronomy and planetary exploration (2004) (0)
The Chandra Source Catalog: X-ray Aperture Photometry (2009) (0)
Chandra Observations of M33: A First Look (2000) (0)
Mission update: Kepler opens up (2009) (0)
The Transform Library - A High-Level Interface to Coordinate Systems (2008) (0)
Extended X-ray Emission in Arp 220 (2001) (0)
Desmearing Solar System Objects in Chandra Data (2003) (0)
VizieR Online Data Catalog: The Chandra Source Catalog (CSC), Release 2.0 (Evans+, 2019) (2014) (0)
Soft X-ray/XUV Excesses in Einstein Quasar Spectra (1989) (0)
CIAO: CHANDRA/X-RAY DATA ANALYSIS FOR EVERYONE (2018) (0)
The SAO Astronomy REU Summer Program: The First 26 Years (2020) (0)
Calibration of the ROSAT HRI Spectral Response (2000) (0)
Mission update: the life and death of Chang'e 1 (2009) (0)
Mission Update: Cassini; Venus Express; Comet Nucleus Tour (2002) (0)
IVOA Recommendation: Maintenance of the List of UCD Words Version 1.20 (2011) (0)
Far-infrared (5--200 MU ) spectral energy distributions of Quasars with ISO (1996) (0)
The infra-red background generated by pregalactic stars and their remnants (1984) (0)
IR to X-ray spectral energy distributions of high redshift quasars (2008) (0)
Fitting and Modeling in the ASC Data Analysis Environment (1997) (0)
SEDs and Star-formation Rates in High Redshift AGN (2000) (0)
The Chandra Source Catalog: User Interface (2009) (0)
IVOA Spectral Energy Distribution (SED) Data Model (2012) (0)
Kepler Dodges Axe, Aims for Alien Earths (2007) (0)
Mission update: HST servicing mission,... (2009) (0)
The Chandra Source Catalog: Storage and Interfaces (2009) (0)
Erratum: “A Chandra Survey of Nearby Spiral Galaxies. I. Point Source Catalogs” (ApJS, 159, 214 [2005]) (2006) (0)
Spektr-Rontgen-Gamma (2001) (0)
The Infrared and X-Ray Continua of Quasars: Is there a Connection ? (1989) (0)
VizieR Online Data Catalog: The X-ray binary population in M33. I (Grimm+, 2005) (2006) (0)
Designing a Data Model for the Virtual Observatory (2004) (0)
Phoenix Races the Calendar (2008) (0)
Mission Update: Fobos-Grunt to Mars: Delayed (2010) (0)
Standard Photometry for Chandra and XMM (2006) (0)
The Chandra Source Catalog: Statistical Characterization (2009) (0)
Absorption in ROSAT Spectra of High Quasars (1993) (0)
A ug 1 99 6 Emission Lines and the Spectral Energy Distributions of (1996) (0)
The X-Ray Luminosity Function of Starburst and non-Starburst galaxies (2001) (0)
Mission update: Ulysses takes its last looks at the Sun (2009) (0)
The US Key Project on AGN spectral energy distributions (1999) (0)
ROSAT X-Ray Spectra of Quasars with a Range of Continuum Properties and Redshift (1992) (0)
X-ray Astronomy and the Analysis of X-ray Data (2006) (0)
GRB010222: r-band fading behavior. (2001) (0)
GRB010222: fading behavior. (2001) (0)
Emission Lines and a Quasar's Spectral Energy Distribution (1994) (0)
The Chandra Source Catalog: Spectral Properties (2009) (0)
The FITS Embedded Function Format (2001) (0)
Title The ISO / NASA Key Project on AGN Spectral Energy Distributions ( Characteristics of the ISO Data ) Permalink (2017) (0)
The CIAO 4.0 Data Analysis System (2008) (0)
NASA Moon-Program Peril (2007) (0)
Cosmic-Ray Bits of the Kuiper Belt (2003) (0)
Follow-up of the Highly Collimated Optical Afterglow of GRB (2001) (0)
Chandra X-ray Observatory (2001) (0)
The X-ray source population in M33 (2005) (0)
Mission update: ultraviolet and X-ray vision,... (2009) (0)
A two-component broad emission line model (2016) (0)
An x ray archive on your desk: The Einstein CD-ROM's (1992) (0)
Space Infrared Telescope Facility; Far Ultraviolet Spectroscopic Explorer (2003) (0)
Search & discovery: Mission Update (1998) (0)
Background Light from Population-III Stars (1987) (0)
Solar and Heliospheric Observatory (2001) (0)
Nanosatellites Reach Orbit (2008) (0)
Long-Term IPC Light Curves of X-ray Binaries, AGN, and Other Variable Sources (1995) (0)
Space Shuttle Return to Flight (2005) (0)
Mission Update: Space Astronomy in 2010 (2010) (0)
Data Models for the VO (2004) (0)
Coordinate Systems for Analysis of On-Orbit Chandra Data Paper II : Aspect Calibration (2019) (0)
A Chandra Study of the X-ray Source Population of M33 (2000) (0)
The ROSAT X-ray Spectrum of PG 1426+015 (1992) (0)
Exploring The Quasar Wind Parameter Space With QWIND (2014) (0)
Redshift of the optical transient of GRB010222. (2001) (0)
Mission update: MAXI on the space station,... (2009) (0)
Reaching the Peak of AGN Spectral Energy Distribution (2015) (0)
Spectral Energy Distributions in the Virtual Observatory (2004) (0)
Mission update: Koronas-Foton, from Russia to watch the Sun (2009) (0)
Coordinate Systems for Analysis of On-Orbit Chandra Data Paper I: Imaging (2019) (0)
The soft X‐ray properties of quasars (2008) (0)
CIAO 4 Preview: Sherpa and ChIPS Demo (2007) (0)
Mission update: stardust revived (2009) (0)
Spectral Data Models for the Virtual Observatory (2006) (0)
Infrared Excesses in Luminous High-z Quasars from the U.S. ISO Key Project on AGN (1999) (0)
First Steps toward a Multi-Parameter Optimisation Tool for Floating Tidal Platforms-Assessment of an LCOE-Based Site.. (2017) (0)
Scale Lane Bridge: a unique new crossing of the River Hull (2014) (0)
Port of New Orleans: Mississippi River Intermodal Terminal (2016) (0)
THREE RIVERS PARK DISTRICT RECREATION, EDUCATION AND NATURAL RESOURCES COMMITTEE MEETING (2015) (0)
THREE RIVERS PARK DISTRICT LONG-RANGE STRATEGIC INITIATIVES COMMITTEE MEETING (2014) (0)
Mobilizing COVID-19 Testing: Impact and Challenges (2021) (0)
Increasing the accuracy of initial feasibility studies - utilising numerical models to estimate the LCoE of floating tidal energy platforms (2019) (0)
Mission update: Hubble update,... (2009) (0)
The ASC Fitting Environment (1996) (0)
ROSAT Spectra of Quasars with Substantial Redshifts (1991) (0)
The Chandra Source Catalog: Processing and Infrastructure (2009) (0)
N93-14760 Quasar X-ray Spectra Revisited (0)
The U.S. ISO Key Project on Quasars (1998) (0)
Optical/UV/soft X‐ray quasar spectra: Models vs. observations (2008) (0)
SDS Under Martin Elvis (2006) (0)
X-Rays From Arp 220 And Its Surroundings (2002) (0)
International X-ray Observatory (2008) (0)
Obscuration and orientation effects in a medium redshift (0.5 < z < 1) 3CRR sample observed by Chandra (2020) (0)
Cosmic Vision 2020 (2002) (0)
Mission update : space astronomy and planetary exploration (1999) (0)
The Chandra Source Catalog: Background Determination and Source Detection (2009) (0)
The IVOA in 2006: Assessment, Future Roadmap Version 1.00 (2006) (0)
Chandra Observations of Arp 220 (2000) (0)
2001 Mars Odyssey (2004) (0)
The Chandra Source Catalog: Source Variability (2009) (0)
Bright Sources in a Chandra Survey of the Bar Region in the Small Magellanic Cloud Galaxy (2003) (0)
Arp 220 - Two disk galaxies in collision: model predictions of morphology and velocity structure. (2001) (0)
Ultra-low Delta-v Neos As Prime Nasa Targets (2010) (0)
Advanced Data Products for the Next Decade (2009) (0)
Mission update: Rosetta's last visit to Earth (2009) (0)
The Infrared Background From Stars at High Redshift (1988) (0)
The ISO/NASA AGN Key Project with ISO to Study the Far-IR to X-Ray Spectral Energy Distributions of Quasars: The Infrared Data (1998) (0)
Chandra's Discovery of Activity in the Quiescent Nuclear Black Hole of NGC 821 (2004) (0)
Astro News Briefs: Galactic Glow Gleaned (2007) (0)
AXAF Coordinate Transformation at XRCF (1997) (0)
The Chandra Source Catalog: Source Properties and Data Products (2009) (0)
Inclination Effects for Kerr Disks. (1991) (0)
15 Years of CIAO (2014) (0)
Collecting Interstellar Atoms (2008) (0)
International Gamma-Ray Astrophysics Laboratory (2003) (0)
Space Science in Japan (2002) (0)
The ASC Scientific Data Model and its DDF Implementation (1996) (0)
The White Dwarf Opportunity - Supplementary material (2020) (0)
The Chandra Source Catalog : Automated Source Correlation (2009) (0)
NEOview: Near Earth Object Data Discovery and Query (2013) (0)
150 keV Emission from PKS2149-306 with BeppoSAX: A Compton Suppressed Jet and the Origin of Radio-quiet Quasars (1999) (0)
Mission Update: Genesis; Microwave Anisotropy Probe; Human Spaceflight (2002) (0)
Implementation Design of the ASC Data Model (1997) (0)
Recreating Einstein Level One Processing Exposure Masks and Background Maps in IRAF (1995) (0)
The Chandra Source Catalog: Algorithms (2009) (0)
The Chandra Source Catalog 2.0: Building The Catalog (2018) (0)
The Einstein IPC Unscreened Data Archive (1993) (0)
Chandra Observations of the Dwarf Nova WX hui (2003) (0)
Mu Space Experiment System C (2003) (0)
Python Scripting for CIAO Data Analysis (2011) (0)
The Nature of Compact Objects in Active Galactic Nuclei: Absorption in the ROSAT X-ray Spectra of Quasars (1994) (0)
The Unusual Quasar PG1407+265 (1994) (0)

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