Alan Ernest Exel. Rogers
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Physics
Alan Ernest Exel. Rogers's Degrees
- PhD Astrophysics University of California, Berkeley
- Masters Physics Stanford University
- Bachelors Physics Stanford University
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(Suggest an Edit or Addition)Alan Ernest Exel. Rogers's Published Works
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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
- First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole (2019) (1857)
- Geodesy by radio interferometry: Effects of atmospheric modeling errors on estimates of baseline length (1985) (1102)
- The Murchison Widefield Array: The Square Kilometre Array Precursor at Low Radio Frequencies (2012) (859)
- An absorption profile centred at 78 megahertz in the sky-averaged spectrum (2018) (782)
- First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole (2019) (775)
- First M87 Event Horizon Telescope Results. V. Physical Origin of the Asymmetric Ring (2019) (715)
- First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole (2019) (684)
- Event-horizon-scale structure in the supermassive black hole candidate at the Galactic Centre (2008) (651)
- First M87 Event Horizon Telescope Results. II. Array and Instrumentation (2019) (572)
- First M87 Event Horizon Telescope Results. III. Data Processing and Calibration (2019) (497)
- The Murchison Widefield Array: Design Overview (2009) (344)
- Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87 (2012) (332)
- First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way (2022) (307)
- Event Horizon Telescope Results . I . the Shadow of the Supermassive Black Hole (2019) (272)
- Science with the Murchison Widefield Array (2012) (249)
- A lower limit of Δz > 0.06 for the duration of the reionization epoch (2010) (195)
- Resolved magnetic-field structure and variability near the event horizon of Sagittarius A* (2015) (175)
- GLEAM: The GaLactic and Extragalactic All-Sky MWA Survey (2015) (174)
- Very Long Baseline Interferometry with Large Effective Bandwidth for Phase‐Delay Measurements (1970) (165)
- First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon (2021) (162)
- First M87 Event Horizon Telescope Results. VII. Polarization of the Ring (2021) (157)
- 1.3 mm WAVELENGTH VLBI OF SAGITTARIUS A*: DETECTION OF TIME-VARIABLE EMISSION ON EVENT HORIZON SCALES (2010) (153)
- Quasars Revisited: Rapid Time Variations Observed Via Very-Long-Baseline Interferometry (1971) (151)
- FIRST SEASON MWA EOR POWER SPECTRUM RESULTS AT REDSHIFT 7 (2016) (143)
- DETECTING FLARING STRUCTURES IN SAGITTARIUS A* WITH HIGH-FREQUENCY VLBI (2008) (137)
- First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric (2022) (136)
- The Event Horizon General Relativistic Magnetohydrodynamic Code Comparison Project (2019) (135)
- The Very Long Baseline Array (1985) (131)
- Very-Long-Baseline Radio Interferometry: The Mark III System for Geodesy, Astrometry, and Aperture Synthesis (1983) (128)
- The structure of radio sources 3C 273B and 3C 84 deduced from the "closure" phases and visibility amplitudes observed with three-element interferometers. (1974) (115)
- Imaging an Event Horizon: submm-VLBI of a Super Massive Black Hole (2009) (111)
- Very Long Baseline Interferometric Observations Made with an Orbiting Radio Telescope (1986) (111)
- First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole (2022) (107)
- A STUDY OF FUNDAMENTAL LIMITATIONS TO STATISTICAL DETECTION OF REDSHIFTED H i FROM THE EPOCH OF REIONIZATION (2013) (103)
- FOREGROUNDS IN WIDE-FIELD REDSHIFTED 21 cm POWER SPECTRA (2015) (101)
- SPECTRAL INDEX OF THE DIFFUSE RADIO BACKGROUND MEASURED FROM 100 TO 200 MHz (2008) (100)
- Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole. (2020) (94)
- First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration (2022) (91)
- 230 GHz VLBI OBSERVATIONS OF M87: EVENT‐HORIZON‐SCALE STRUCTURE DURING AN ENHANCED VERY‐HIGH‐ENERGY γ ?> ‐RAY STATE IN 2012 (2015) (90)
- First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass (2022) (89)
- VLBI Using a Telescope in Earth Orbit. II. Brightness Temperatures Exceeding the Inverse Compton Limit (1989) (84)
- Venus: Mapping the Surface Reflectivity by Radar Interferometry (1969) (83)
- Small-scale structure and position of Sagittarius A(*) from VLBI at 3 millimeter wavelength (1994) (82)
- Toward Empirical Constraints on the Global Redshifted 21 cm Brightness Temperature During the Epoch of Reionization (2007) (82)
- First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole (2022) (82)
- Geodesy by radio interferometry: Evidence for contemporary plate motion (1986) (77)
- 3C 279 - The case for 'superluminal' expansion (1979) (74)
- Results from EDGES High-band. I. Constraints on Phenomenological Models for the Global 21 cm Signal (2017) (73)
- FAST HOLOGRAPHIC DECONVOLUTION: A NEW TECHNIQUE FOR PRECISION RADIO INTERFEROMETRY (2012) (71)
- Structure of Sagittarius A* at 86 GHz using VLBI Closure Quantities (2001) (71)
- First limits on the 21 cm power spectrum during the Epoch of X-ray heating (2016) (69)
- Coherence limits for very-long-baseline interferometry (1981) (68)
- A 189 MHz, 2400 deg2 POLARIZATION SURVEY WITH THE MURCHISON WIDEFIELD ARRAY 32-ELEMENT PROTOTYPE (2013) (68)
- The EoR sensitivity of the Murchison Widefield Array (2012) (67)
- Detection of Intrinsic Source Structure at ∼3 Schwarzschild Radii with Millimeter-VLBI Observations of SAGITTARIUS A* (2018) (67)
- The Murchison Widefield Array Commissioning Survey: A Low-Frequency Catalogue of 14 110 Compact Radio Sources over 6 100 Square Degrees (2014) (65)
- PERSISTENT ASYMMETRIC STRUCTURE OF SAGITTARIUS A* ON EVENT HORIZON SCALES (2016) (63)
- THE MURCHISON WIDEFIELD ARRAY 21 cm POWER SPECTRUM ANALYSIS METHODOLOGY (2016) (62)
- FIRST SPECTROSCOPIC IMAGING OBSERVATIONS OF THE SUN AT LOW RADIO FREQUENCIES WITH THE MURCHISON WIDEFIELD ARRAY PROTOTYPE (2011) (61)
- Quasars: Millisecond-of-Arc Structure Revealed by Very-Long-Baseline Interferometry (1971) (59)
- A very-long-baseline interferometer system for geodetic applications (1976) (57)
- THE IMPORTANCE OF WIDE-FIELD FOREGROUND REMOVAL FOR 21 cm COSMOLOGY: A DEMONSTRATION WITH EARLY MWA EPOCH OF REIONIZATION OBSERVATIONS (2016) (54)
- Fringe Detection Methods for Very Long Baseline Arrays (1995) (53)
- Precision Geodesy via Radio Interferometry (1972) (53)
- A survey for transients and variables with the Murchison Widefield Array 32-tile prototype at 154 MHz (2013) (52)
- Submilliarcsecond astrometry via VLBI. I - Relative position of the radio sources 3C 345 and NRAO 512 (1979) (52)
- Coherence limits in VLBI observations at 3-millimeter wavelength (1984) (51)
- Phase-referenced VLBI observations of weak radio sources - Milliarcsecond position of Algol (1990) (51)
- CALIBRATION OF THE EDGES HIGH-BAND RECEIVER TO OBSERVE THE GLOBAL 21 cm SIGNATURE FROM THE EPOCH OF REIONIZATION (2016) (49)
- Interferometric Imaging with the 32 Element Murchison Wide-Field Array (2010) (48)
- LOW-FREQUENCY OBSERVATIONS OF LINEARLY POLARIZED STRUCTURES IN THE INTERSTELLAR MEDIUM NEAR THE SOUTH GALACTIC POLE (2016) (48)
- Constraints on black-hole charges with the 2017 EHT observations of M87* (2021) (48)
- Spectral Line Interferometry with Independent Time Standards at Stations Separated by 845 Kilometers (1967) (47)
- Hubble's constant determined using very-long baseline interferometry of a supernova (1985) (47)
- Demonstration of a Broadband Very Long Baseline Interferometer System: A New Instrument for High‐Precision Space Geodesy (2018) (46)
- Transcontinental Baselines and the Rotation of the Earth Measured by Radio Interferometry (1974) (46)
- Limits on low-frequency radio emission from southern exoplanets with the Murchison Widefield Array (2014) (44)
- Results from EDGES High-Band. III. New Constraints on Parameters of the Early Universe (2019) (44)
- Polarimetric Properties of Event Horizon Telescope Targets from ALMA (2021) (44)
- Martian Craters and a Scarp as Seen by Radar (1971) (43)
- Event Horizon Telescope observations of the jet launching and collimation in Centaurus A (2021) (42)
- Radar Measurements of the Surface Topography and Roughness of Mars (1970) (41)
- Monitoring the Morphology of M87* in 2009–2017 with the Event Horizon Telescope (2020) (41)
- Broadband Multi-wavelength Properties of M87 during the 2017 Event Horizon Telescope Campaign (2021) (41)
- VLBI Observations of 23 Hot Spots in the Starburst Galaxy M82 (1987) (41)
- The Murchison Widefield Array Correlator (2015) (40)
- Improved measurement of the spectral index of the diffuse radio background between 90 and 190 MHz (2016) (40)
- Geodesy by radio interferometry: Determination of a 1.24‐km base line vector with ∼5‐mm repeatability (1978) (40)
- The nucleus of M81 - Simultaneous 2.3 and 8.3 GHz Mark III VLBI observations (1982) (40)
- The High Time and Frequency Resolution Capabilities of the Murchison Widefield Array (2015) (38)
- The structure of the OH source in W3. (1968) (38)
- Discovery of shell-like radio-structure in SN1993J (1995) (37)
- Solar Gravitational Deflection of Radio Waves Measured by Very-Long-Baseline Interferometry (1974) (37)
- Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution (2020) (37)
- THEMIS: A Parameter Estimation Framework for the Event Horizon Telescope (2020) (36)
- Topography and radar scattering properties of Mars (1973) (36)
- Radio source positions from very-long-baseline interferometry observations (1976) (36)
- DETECTING CHANGING POLARIZATION STRUCTURES IN SAGITTARIUS A* WITH HIGH FREQUENCY VLBI (2009) (35)
- LOW-FREQUENCY OBSERVATIONS OF THE MOON WITH THE MURCHISON WIDEFIELD ARRAY (2012) (35)
- Results from EDGES High-band. II. Constraints on Parameters of Early Galaxies (2018) (35)
- Adapting a Cryogenic Sapphire Oscillator for Very Long Baseline Interferometry (2011) (35)
- Modelling of the Spectral Energy Distribution of Fornax A : Leptonic and Hadronic Production of High Energy Emission from the Radio Lobes (2014) (34)
- Limits on foreground subtraction from chromatic beam effects in global redshifted 21 cm measurements (2015) (34)
- Absolute calibration of a wideband antenna and spectrometer for accurate sky noise temperature measurements (2012) (33)
- Lunar Topography: Global Determination by Radar: Delay-Doppler stereoscopy and radar interferometry yield high-resolution three-dimensional views of the moon. (1972) (33)
- High-energy sources at low radio frequency: the Murchison Widefield Array view of Fermi blazars (2016) (33)
- Observations of the 327 MHz Deuterium Hyperfine Transition (2007) (33)
- The First Murchison Widefield Array low-frequency radio observations of cluster scale non-thermal emission: the case of Abell 3667 (2014) (33)
- Verification of Radiative Transfer Schemes for the EHT (2020) (32)
- Estimating Solar Flux Density at Low Radio Frequencies Using a Sky Brightness Model (2017) (32)
- ON THE DETECTION AND TRACKING OF SPACE DEBRIS USING THE MURCHISON WIDEFIELD ARRAY. I. SIMULATIONS AND TEST OBSERVATIONS DEMONSTRATE FEASIBILITY (2013) (32)
- VLBI Observations of the Gravitational Lens System 0957+561: Structure and Relative Magnification of the A and B Images (1988) (31)
- Comparison of geodetic and radio interferometric measurements of the Haystack‐Westford base line vector (1980) (31)
- THE SPECTRAL VARIABILITY OF THE GHZ-PEAKED SPECTRUM RADIO SOURCE PKS 1718-649 AND A COMPARISON OF ABSORPTION MODELS (2014) (30)
- Wavelet-based Characterization of Small-scale Solar Emission Features at Low Radio Frequencies (2016) (30)
- The Polarized Image of a Synchrotron-emitting Ring of Gas Orbiting a Black Hole (2021) (29)
- Project 8: Determining neutrino mass from tritium beta decay using a frequency-based method (2013) (29)
- Observations of Circularly Polarized OH Emission and Narrow Spectral Features (1966) (28)
- Geodesy by Radio Interferometry: Intercontinental Distance Determinations With Subdecimeter Precision- (Paper 80B 1609) (1981) (28)
- Quantifying ionospheric effects on time-domain astrophysics with the Murchison Widefield Array (2015) (26)
- Radiometric measurements of electron temperature and opacity of ionospheric perturbations (2014) (26)
- Serendipitous discovery of a dying Giant Radio Galaxy associated with NGC 1534, using the Murchison Widefield Array (2014) (26)
- Recent Progress in the VLBI2010 Development (2008) (25)
- LOW-FREQUENCY IMAGING OF FIELDS AT HIGH GALACTIC LATITUDE WITH THE MURCHISON WIDEFIELD ARRAY 32 ELEMENT PROTOTYPE (2012) (25)
- Interferometric Observations of an Artificial Satellite (1972) (25)
- A high reliability survey of discrete Epoch of Reionization foreground sources in the MWA EoR0 field (2016) (25)
- The Murchison Widefield Array (2007) (24)
- Detection of a Compact Radio Source near the Center of a Gravitational Lens: Quasar Image or Galactic Core? (1983) (24)
- Power spectrum analysis of ionospheric fluctuations with the Murchison Widefield Array (2015) (23)
- High-precision VLBI astrometry of radio-emitting stars (1999) (23)
- Demonstration of a 16 Gbps Station-1 Broadband-RF VLBI System (2013) (23)
- The milli-arcsecond images of Q0957 + 561 (1984) (22)
- Interferometric study of cosmic line emission at OH frequencies. (1966) (22)
- Spectral index of the diffuse radio background between 50 and 100 MHz (2018) (21)
- The Murchison Widefield Array: solar science with the low frequency SKA Precursor (2013) (21)
- Pulsar astrometry via VLBI (1985) (21)
- Radar Mapping of Venus With Interf Erometric Resolution of the Range‐Doppler Ambiguity (1970) (21)
- VLBI and polarimetric observations of the SiO masers in R Cassiopeiae (1989) (21)
- Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign (2022) (21)
- Deuterium Abundance in the Interstellar Gas of the Galactic Anticenter from the 327 MHz Line (2005) (21)
- A new layout optimization technique for interferometric arrays, applied to the MWA (2012) (20)
- Upgrading the Haystack radio telescope for operation at 115 GHz (1994) (20)
- The giant lobes of Centaurus A observed at 118 MHz with the Murchison Widefield Array (2013) (19)
- Calibration of active antenna arrays using a sky brightness model (2004) (19)
- Very long baseline interferometry at a wavelength of 3.4 mm (1983) (19)
- Geodesy by radio interferometry: Determinations of baseline vector, Earth rotation, and solid earth tide parameters with the Mark I Very Long Baseline Radio Interferometry System (1986) (19)
- Extragalactic radio sources - Accurate positions from very-long-baseline interferometry observations (1973) (18)
- Reply to Hills et al. (2018) (18)
- Ionospheric Modelling using GPS to Calibrate the MWA. I: Comparison of First Order Ionospheric Effects between GPS Models and MWA Observations (2015) (17)
- Supernova 1987A: radiosphere resolved with VLBI five days after the neutrino burst (1988) (17)
- A digital-receiver for the MurchisonWidefield Array (2015) (17)
- Fine structure of 25 extragalactic radio sources (1975) (17)
- An unusually strong radio outburst in Algol - VLBI observations (1976) (17)
- Radio-size estimates of SN 1993J (1994) (16)
- THE LOW-FREQUENCY CHARACTERISTICS OF PSR J0437−4715 OBSERVED WITH THE MURCHISON WIDE-FIELD ARRAY (2014) (16)
- EXCITATION TEMPERATURE OF THE 18-CM LINE OF OH IN H I REGIONS. (1968) (16)
- Radio interferometric detection of a traveling ionospheric disturbance excited by the explosion of Mount St. Helens (1982) (16)
- Recent Results of Radio Interferometric Determinations of a Transcontinental Baseline, Polar Motion, and Earth Rotation (1979) (16)
- 43 GHz-VLBI observations of 3C 273 after a flux density outburst in 1988 (1990) (15)
- Interference temperature measurements from 70 to 1500 MHz in suburban and rural environments of the Northeast (2005) (14)
- A high data rate recorder for astronomy (1991) (14)
- VLBI OBSERVATIONS OF CYGNUS A WITH SUB-MILLIARCSECOND RESOLUTION (1998) (14)
- Apparent 'superrelativistic' expansion of the extragalactic radio source 3C 345 (1976) (14)
- Observations of OH emission in the H II REGION W3 with a 74400 lambda interferometer. (1967) (14)
- The Positions and Angular Extent of OH Emission Associated with the H II Regions W3, W24, W49, and NGC 6334 (1967) (13)
- Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI (2022) (13)
- A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows (2022) (13)
- Selective Dynamical Imaging of Interferometric Data (2022) (13)
- Quasar 4C39.25 is not contracting (1985) (13)
- Improvements in the Accuracy of Geodetic Vlbi (2013) (12)
- Corrections for the effects of a radome on antenna surface measurements made by microwave holography (1993) (12)
- Very Long Baseline Interferometry for Centimeter Accuracy Geodetic Measurements (1975) (12)
- The linear polarization of 3C 345 at milliarcsecond resolution (1986) (12)
- VLBI imaging with an angular resolution of 100 microarcseconds (1988) (12)
- Resolving the Inner Parsec of the Blazar J1924–2914 with the Event Horizon Telescope (2022) (12)
- 5.1. Theory of Two-Element Interferometers (1976) (11)
- Synchronization of Clocks by Very-Long-Baseline Interferometry (1979) (11)
- Observing the Sun with the Murchison Widefield Array (2014) (11)
- Realisation of a low frequency SKA Precursor: The Murchison Widefield Array (2012) (11)
- 223 GHz VLBI observations of 3C 273 (1990) (10)
- Time-dependent radio fine structure of the quasar 3C 345 (1976) (10)
- Seasonal and Diurnal Variations of Ozone near the Mesopause from Observations of the 11.072-GHz Line (2009) (10)
- The Topography of a Swath around the Equator of the Planet Venus FRO M the Wavelength Dependence of the Radar Cross Section (1972) (9)
- One-Port Direct/Reverse Method for Characterizing VNA Calibration Standards (2016) (9)
- Van Vleck correction generalization for complex correlators with multilevel quantization (2016) (9)
- Radio Frequencies: Policy and Management (2013) (9)
- An analysis of the halo and relic radio emission from Abell 3376 from Murchison Widefield Array observations (2015) (9)
- Further 7 millimeter VLBI observations of 3C 84 and other sources with 100 microarcsecond angular resolution (1990) (9)
- VHF-band RFI in geographically remote areas (2010) (9)
- Radio frequency interference shielding and mitigation techniques for a sensitive search for the 327 MHz line of deuterium (2005) (8)
- RDBE Development and Progress (2010) (8)
- Precision Surveying Using Radio Interferometry (1978) (8)
- Thermal considerations for the edge guiding of thin magnetic tape in a longitudinal tape transport (1994) (8)
- Absolute Calibration of Diffuse Radio Surveys at 45 and 150 MHz (2020) (8)
- C 120: Intense Outburst (s) of Radio Radiation Detected with the Goldstone-Haystack Interferometer (1973) (8)
- Observing Neutral Hydrogen Above Redshift 6: The ``Global'' Perspective (2008) (8)
- Methods Of Using Closure Phases In Radio Aperture Synthesis (1980) (8)
- Constraints on blackhole charges with the 2017 EHT observations of M 87 * (2021) (7)
- The evolution of the sub-parsec structure of 3C84 at 43 GHz (1992) (7)
- Venus: Radar Determination of Gravity Potential (1973) (7)
- STUDY OF REDSHIFTED H i FROM THE EPOCH OF REIONIZATION WITH DRIFT SCAN (2014) (7)
- Validation of the EDGES Low-band Antenna Beam Model (2021) (6)
- Spectrum and Relative Intensities of Interstellar OH Lines (1964) (6)
- The Compact Radio Source 2021+614 : Simultaneous 2.3 and 8.3 GHz Mark III VLBI (1984) (6)
- Correcting atmospheric path variations in millimeter wavelength very long baseline interferometry using a scanning water vapor spectrometer (2000) (6)
- VLBI clock synchronization (1977) (6)
- Measurement of Magnetic Tape Abrasivity by Interchanging Tape Thickness (1993) (6)
- Evolution of the sub-milliarcsecond nucleus of 3C 84 at 100 GHz (1988) (5)
- Demonstration of a broadband-RF VLBI system at 16 Gbps data rate per station (2012) (5)
- High Temporal and Spectral Resolution Interferometric Observations of Unusual Solar Radio Bursts (2009) (5)
- Towards the Event Horizon: High Resolution VLBI Imaging of Nuclei of Active Galaxies (2006) (5)
- Recent Progress in the VLBI 2010 Development (2008) (5)
- Repeatability of the Seasonal Variations of Ozone near the Mesopause from Observations of the 11.072-GHz Line (2012) (5)
- Time-dependent radio fine structure of the compact sources NRAO 150 and 4C 39.25 (1980) (5)
- Polarization studies of rotating radio transients (2019) (5)
- OBSERVATIONS OF MASER RADIO SOURCES WITH AN ANGULAR RESOLUTION OF 0 .0002 (1972) (4)
- DEVELOPMENT OF AN OPTIMIZED ANTENNA AND OTHER ENHANCEMENTS OF A SPECTROMETER FOR THE STUDY OF OZONE IN THE MESOSPHERE (2009) (4)
- Precise clock synchronization via very-long-baseline interferometry (1978) (4)
- The quasars 1038+528 A and B (1985) (4)
- Source Positions from Very Long Baseline Interferometer Observations. (1973) (4)
- Towards the event horizon - the vicinity of AGN at micro-arcsecond resolution (2004) (4)
- The Variability of the Black Hole Image in M87 at the Dynamical Timescale (2021) (4)
- Long-baseline interferometry. (1972) (4)
- Design of tape systems for 0.1 to 10 Gbit/s applications (VLBA) (1991) (4)
- RFI shielding and mitigation techniques for a sensitive search for the 327 MHz line of Deuterium (2004) (4)
- Global 3- and 7-mm VLBI Observations of OJ 287 (1996) (4)
- First 7 mm VLBI observations of the peculiar superluminal radio source 4C 39-25 (1993) (3)
- The microarcsecond structure of 3C 273 at 3 mm. (1991) (3)
- Link of the Hipparcos Stellar Reference Frame to the Distant Quasars (1998) (3)
- Quasat: technical aspects of the proposed mission. (1984) (3)
- VLBI phase reference mapping techniques and the search for the third image of 0957+561 (1989) (3)
- Phase and Group Delay Calibration of a Very Long Baseline Interferometer by East-Coast (1980) (3)
- VLBI observations of active galactic nuclei at 3 MM (1992) (3)
- Seasonal and Local Solar Time Variation of the Meridional Wind at 95 km from Observations of the 11.072-GHz Ozone Line and the 557.7-nm Oxygen Line (2016) (3)
- Accuracy of relative positioning by interferometry with GPS Double-blind test results (1983) (3)
- Cygnus X-3 radio source - Lower limit on size and upper limit on distance. (1972) (3)
- Application of very long baseline interferometry to Astrometry and Geodesy: effects of frequency standard instability on accuracy (1974) (3)
- A RADAR INTERFEROMETER STUDY OF VENUS AT 3.8 CM (1968) (3)
- Anomalous OH absorption in the direction of Cassiopeia A. (1967) (3)
- First 43 GHz VLBI detection of the compact source Sgr A* in the Galactic Center (1993) (3)
- THE 18-CM FLUX OF THE UNRESOLVED COMPONENT OF 3C 273. (1968) (2)
- Atmospheric Limits: a Review of the Effect of Path Length Variations on the Coherence and Accuracy of VLBI (review) (1988) (2)
- Orbiting very long baseline interferometry (OVLBI) observations using the tracking and data relay satellite system (TDRSS) at 2.3 and 15 GHz (1988) (2)
- Precise time transfer using MKIII VLBI technology (1984) (2)
- Radar map of Venus at 3.8 cm wavelength (1974) (2)
- A Close Look at a Close Pair of QSOs : VLBI Observations of 1038+528 A,B (1982) (2)
- 230 GHz VLBI observations of M87: event-horizon-scale structure at the enhanced very-high-energy γ-ray state in 2012 (2022) (2)
- The Mark 4 Data-Acquisition System (1991) (2)
- Nearly Microarcsecond Precision Differential Astrometry (1984) (2)
- A search at the millijansky level for milli-arcsecond cores in a complete sample of radio galaxies (1984) (2)
- Extending the Dynamic Range of a Spectrum Monitor Using Comparison Switching and Spectral Averaging (2008) (2)
- Instrumentation Improvements to Achieve Millimeter Accuracy (Keynote Presentation) (1991) (2)
- High-Accuracy Determination of 3C273-3C279 Position Difference from Long-Baseline Interferometer Fringe Phase Measurements. (1971) (2)
- Measurement of the Gravitational Deflection of Radio Waves. (1971) (2)
- The Educational Role of Small Telescopes in Radio Astronomy (2003) (2)
- Many-head arrays for high-data-rate recorders: requirements, design considerations for next-generation VLBI systems (1994) (1)
- The sensitivity of a very long baseline interferometer (1980) (1)
- Very Long Baseline Interferometry Fringe Detection Thresholds for Single Baselines and Arrays (1991) (1)
- Radio Astronomy with a Satellite Dish (1996) (1)
- Developing a New Generation Small Radio Telescope (2013) (1)
- Interferometry on the Sun using a Yagi-Uda Array and a Small Radio Telescope (SRT) (2003) (1)
- Phase calibration of the Very Long Baseline Array (VLBA) (1992) (1)
- Spectral Line Interferometry and Interferometer Noise Analysis (2010) (1)
- Wideband low frequency antennas for radio astronomy arrays (2011) (1)
- The Event Horizon Telescope Image of the Quasar NRAO 530 (2023) (1)
- Upper limits on the radar cross section of comet Kohoutek. (1975) (1)
- First Broadband Results with a VLBI2010 System (2012) (1)
- THE HIGH-FREQUENCY COMPACT RADIO STRUCTURE OF THE PECULIAR QUASAR 4C 39.25 (1997) (1)
- Theory of Non-Thermal Emission from Interstellar OH (1968) (1)
- Detecting Flaring Structures in Sagittarius A* with (Sub)Millimeter VLBI (2008) (1)
- Analytic Approximations of Scattering Effects on Beam Chromaticity in 21‐cm Global Experiments (2022) (1)
- Astrometry of millijansky sources using a phase reference VLBI technique (1988) (1)
- Long-Baseline Interferometric Measurement of Gravitational Bending of Radiation from 3C279 in the Solar Gravitational Field. (1970) (1)
- The Mark 4 Correlator System (1991) (1)
- A new layout optimization technique for interferometric arrays, applied to the Murchison Widefield Array (2012) (1)
- Spectral Index of the Diffuse Radio Sky as Measured by EDGES using the Lowband (50-100 MHz) Antenna (2019) (1)
- Absolute calibration of a wideband antenna and spectrometer for sky noise spectral index measurements (2013) (1)
- VLBI Observations of the "Twin Quasar" 0957+56A, B (1980) (1)
- Antenna Design and Foreground Characterization for Improved Detection of the Redshifted 21 cm Global Signature During the Epoch of Reionization (2018) (1)
- Geodesy by radio interferometry - Determination of a 1.24-km base line vector with approximately 5-mm repeatability (1978) (1)
- Emission and absorption of microwave radiation by interstellar OH. (1967) (1)
- Detection of the 18 May 1980 Explosion of Mt. St. Helens by Very Long Baseline Interferometry (1980) (1)
- 1038+528A, B - Phase-Reference and Spectral-Index Maps (1984) (1)
- A bayesian approach to modelling spectrometer data chromaticity corrected using beam-factors - I. Mathematical formalism (2022) (1)
- A Bayesian Calibration Framework for EDGES (2022) (1)
- A 100 GHZ map of 3C 446 (1993) (1)
- The Murchison Widefield Array : Design Overview Citation (2010) (1)
- VLBI observations at 147 GHz: first detection of transatlantic fringes in bright AGN (2002) (1)
- “Constraining the Epoch of Reionization through Global Observations of the 21-cm Line with EDGES” (2015) (0)
- Simultaneous dual-wavelength VLBI observations of the compact radio source near the Galactic center (1985) (0)
- Second Epoch of Simultaneous λ 3.6 and λ 13 CM Observations of the Pair of Quasars 1038 + 528 A, B (1988) (0)
- Embracing the Wave: Using the Very Small Radio Telescope to Teach Students about Radio Astronomy (2010) (0)
- Extracting the Global Cosmological 21-cm Signal From EDGES Data Using MCMC (2018) (0)
- Tests of a Digital Receiver for the Small Radio Telescope (2001) (0)
- Development of a Low Cost Spectrometer for the Small Radio Telescope (SRT), Very Small Radio Telescope (VSRT), and Ozone spectrometer (2014) (0)
- VLBI observations of Supernova 1987 A (1988) (0)
- VizieR Online Data Catalog: 3C 279 Event Horizon Telescope imaging (Kim+, 2020) (2020) (0)
- OH Excitation in Cold Low-Density Interstellar Clouds (2009) (0)
- VLBI Mapping of 43 GHz SiO Emission Associated with IRc2 in Orion-Kl (1988) (0)
- VLBI Detection of Components of a New Gravitational Lens Candidate, 2016+113A, B, C (1983) (0)
- Techniques based on a mobile assisted network to increase the precision of a wireless location system. (2001) (0)
- Milliarcsecond Morphology of the Twin Quasar 0957+561A, B (1982) (0)
- Low-Frequency Radio Recombination Lines Away From the Inner Galactic Plane (2023) (0)
- Demonstrating the Principles of Aperture Synthesis with Table- Top Laboratory Exercises (2018) (0)
- Radar studies of the planets. [radar measurements of lunar surface, Mars, Mercury, and Venus] (1974) (0)
- Tape recorders for VLBI (1991) (0)
- ATMOSPHERIC LIMITS: A REVIEW OF THE EFFECT OF PATH LENGTH VARIATIONS ON THE COHERENCE AND A C C U R A C Y OF VLBI (2015) (0)
- Detection of jet launching structure near the supermassive black hole in M 87 (2012) (0)
- 3mm-VLBI Observations of the Galactic Center (1995) (0)
- VizieR Online Data Catalog: Sgr A* 1.3mm VLBI observations with the EHT in 2013 (Lu+, 2018) (2019) (0)
- VLBI clock synchronization. [for atomic clock rate] (1977) (0)
- An extraordinary radio outburst in Algol: flux and structure observations. (1975) (0)
- VLBI Observations of the Gravitational Lens System 2016 + 112 (1988) (0)
- Development and testing of the new SRT receiver and modeling the Sun Divyanshu Vats (2004) (0)
- Modeling the Solar Limb Brightening at 21 cm Wavelength Using Observations With an Interferometer of 3 Small Radio Telescopes. (2006) (0)
- On the Feasibility of a Low-cost Methanol Radio Telescope-VSRT and MOSAIC Memo #065 (2009) (0)
- "High Sensitivity" VLBI at 86 GHz: First Fringes with the 100 m Radio Telescope at Effelsberg (1993) (0)
- Observations of a new Class of Solar Radio Bursts at 1420 MHz (2006) (0)
- Studies of Error Sources in Geodetic VLBI (1996) (0)
- A new layout optimization technique for interferometric arrays and the final MWA antenna layout (2012) (0)
- Characterizing the 21-cm Signal from Neutral Hydrogen in the IGM at Redshifts 27>z>6 with EDGES (2018) (0)
- NORTHEAST RADIO OBSERVATORY CORPORATION (2009) (0)
- P o S ( R F I 2 0 1 0 ) 0 1 6 The Murchison Widefield Array (2010) (0)
- Methods to improve holography-Old Holography Memo #92-19 (2004) (0)
- Fine structure of 25 extragalactic radio sources. [interferometric observations of quasars] (1975) (0)
- TheMurchisonWidefieldArray: Design Overview SpreadoveranareainWesternAustralia,thistelescope isbeingdesignedto study the sun and its inner heliosphere, and time-varying astronomical phenomena. (2009) (0)
- Doeleman in M 87 Jet-Launching Structure Resolved Near the Supermassive Black Hole (2012) (0)
- Metrewave observations of the Sun (2014) (0)
- ANALYSIS OF LIMB BRIGHTENING ON THE QUIET SUN AT 21 CM USING A THREE-ELEMENT INTERFEROMETER Jonathon Oiler (2006) (0)
- First M 87 Event Horizon Telescope Results .-III Data Processing and Calibration Event Horizon (2019) (0)
- VLBI Observations of the Supernova SN 1979c (1983) (0)
- First look Murchison Widefield Array observations of Abell 3667 (2014) (0)
- Structure of SGR A* from 3mmλ-VLBI (1999) (0)
- The Mark III VLBI System (1988) (0)
- Improved procedure for TDOA and FDOA estimation in a wireless location system (2002) (0)
- University of Groningen First Spectroscopic Imaging Observations of the Sun at Low Radio Frequencies with the Murchison Widefield Array Prototype Oberoi, (2011) (0)
- Further Observations of Brightness Variation In the Small Scale Structure of 3C273 and 3C279. (1972) (0)
- Results of Closure Phase Analysis of VLBI Data (1975) (0)
- Enhancing Low-Cost Ozone Spectrometers to Measure Mesospheric Winds and Tides (2015) (0)
- UvA-DARE ( Digital Academic Repository ) First M 87 Event Horizon Telescope Results .-II Array and Instrumentation Event Horizon Telescope (2019) (0)
- Demonstrating the Principles of Aperture Synthesis with the Very Small Radio Telescope (2011) (0)
- Evolution of the Radio Fine Structure of 3C 273B and 3C 279 (1976) (0)
- Radio observations of SN 1987A (1988) (0)
- Characterization of the EDGES receiver and its capability for constraining the EoR (2015) (0)
- Modeling the Solar Limb Brightening at 21 cm Using Amplitude and Closure Phase Measurements from a 3-Element Interferometer.-SRT Memo #023 (2007) (0)
- Angular size of OH emission regions. (1967) (0)
- The End of the Beginning: The Dawn of 21 cm Cosmology With EDGES (2010) (0)
- University of Southern Denmark Monitoring the Morphology of M 87 * in 2009-2017 with the Event Horizon (2020) (0)
- FINAL PROGRESS REPORT RADAR STUDIES OF THE PLANETS NASA GRANT NGR-22-174-003 (2009) (0)
- Simultaneous Dual-Wavelength VLBI Observations of Sgr A (1984) (0)
- VizieR Online Data Catalog: 4yr 1.3mm VLBI observations of SgrA* with EHT (Fish+, 2016) (2016) (0)
- First M 87 Event Horizon Telescope Results-V Physical Origin of the Asymmetric Ring Event Horizon (2019) (0)
- Very Long Baseline Polarimetry (VLBP): I. Instrumental Calibration and Map Making (1984) (0)
- VERY LONG BASELINE INTERFEROMETRY AS A MEANS OF WORLDWIDE TIME SYNCHRONIZATION (1970) (0)
- Beam Chromaticity of the EDGES Low-Band Blade Dipole (2020) (0)
- Ground-based Ku-band microwave observations of ozone in the polar middle atmosphere (2021) (0)
- Mark III VLBI Observations of the Nucleus of M81 at 2.3 and 8.3 GHz (1982) (0)
- SiO Maser Observations — VLBI and Polarimetry (1988) (0)
- A digital-receiver for the MurchisonWidefield Array (2015) (0)
- Model of a Thermally Driven Pump to Assist in Driving the Meridional Circulation from Summer to Winter Pole Via the Mesosphere (2009) (0)
- Milli-arcsecond Structure in NGC 1275 at 89 GHz (1987) (0)
- Detection of New Compact Radio Component Near Q0957+561B: Quasar Image or Galactic Core? (1982) (0)
- Project 8: Precision electron specroscopy to measure the mass of the neutrino (2013) (0)
- THE SONAR PANEL AN UNCONVENTIONAL ENERGY SOURCE (2007) (0)
- Evaluation of terrestrial sites for Global EOR signal detection via the RMS error metric of a sky-beam convolution polynomial fit (2015) (0)
- Performance and prospects of the MARK III correlator. (1982) (0)
- VizieR Online Data Catalog: 1.3mm VLBI detections of M87 (Doeleman+, 2012) (2012) (0)
- Extending VLBI to 2mm and 1mm Wavelengths (2005) (0)
- Mark III VLBI: High Sensitivity Mapping of Weak Radio Sources (1981) (0)
- Stronger Source As Reference For Weaker Source In VLBI (1992) (0)
- VLBI observations of 3C 345 and NRAO 512 in right and left circular polarization (1978) (0)
- VLBI Observations of the O957 + 561 Gravitational Lens Systems (review) (1988) (0)
- 86 GHz Global VLBI Progress Report (1993) (0)
- VLBI2010 and the Westford Station { The Path Forward (2012) (0)
- Model fitting using non-linear weighted least squares (1997) (0)
- Upper limit on the radar cross section of the comet Kohoutek (1975) (0)
- VLBI observations of the gravitational-lens images of Q0957 + 561 (1983) (0)
- A Small Radio Telescope Interferometer at MIT Haystack Observatory (2001) (0)
- Mark-Iii VLBI Observations of Pulsars (1984) (0)
- Milliarcsecond Polarization Measurements (1984) (0)
- VLBI observations of the compact components in M82 (1986) (0)
- Estimating Solar Flux Density at Low Radio Frequencies Using a Sky Brightness Model (2017) (0)
- Detection of Intrinsic Source Structure at similar to 3 Schwarzschild Radii with Millimeter-VLBI Observations of SAGITTARIUS A* (2018) (0)
- What Millimeter VLBI Will Tell Us About Sagittarius A (2009) (0)
- VLBI observations of the 0957 + 561 gravitational lens system (1988) (0)
- RFI Detection and Mitigation for the Deuterium Array (2004) (0)
- Laboratory Exercises Using the Haystack VSRT Interferometer To Teach the Basics of Aperture Synthesis (2011) (0)
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What Schools Are Affiliated With Alan Ernest Exel. Rogers?
Alan Ernest Exel. Rogers is affiliated with the following schools: