Irwin I. Shapiro

Q: What Schools Are Affiliated With Irwin I. Shapiro

Irwin I. Shapiro is affiliated with the following schools: Massachusetts Institute of Technology, Cornell University, Harvard University

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Irwin I. Shapiro

Physics

#644

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#305

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Astrophysics

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World Rank

#45

Historical Rank

#17

USA Rank

Astronomy

#121

World Rank

#297

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#68

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Physics

Irwin I. Shapiro's Degrees

Bachelors Physics Cornell University

Why Is Irwin I. Shapiro Influential?

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According to Wikipedia, Irwin Ira Shapiro is an American astrophysicist and Timken University Professor at Harvard University. He has been a professor at Harvard since 1982. He was the director of the Center for Astrophysics Harvard & Smithsonian from 1982 to 2004.

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Irwin I. Shapiro'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

Geodesy by radio interferometry: Effects of atmospheric modeling errors on estimates of baseline length (1985) (1102)
Fourth Test of General Relativity (1964) (585)
Viking relativity experiment - Verification of signal retardation by solar gravity (1979) (361)
Geodesy by radio interferometry - Water vapor radiometry for estimation of the wet delay (1991) (267)
Geodesy by radio interferometry: The application of Kalman Filtering to the analysis of very long baseline interferometry data (1990) (264)
On model-dependent bounds on H(0) from gravitational images Application of Q0957 + 561A,B (1985) (263)
Geodesy by radio interferometry: Studies of the forced nutations of the Earth. II: Interpretation (1986) (256)
Forced nutations of the Earth: Influence of inner core dynamics: 1. Theory (1991) (231)
2237 + 0305 - a new and unusual gravitational lens (1985) (229)
Geodesy Using the Global Positioning System: The Effects of Signal Scattering (1995) (210)
Fourth Test of General Relativity: New Radar Result (1971) (185)
Forced nutations of the Earth: Influence of inner core dynamics: 2. Numerical results and comparisons (1991) (184)
Erratum: Correction to ``Geodesy by Radio Interferometry: Studies of the forced nutations of the Earth, 1, Data Analysis'' (1986) (181)
Verification of the principle of equivalence for massive bodies. [from lunar retroreflector echo delay data] (1976) (176)
A spectral formalism for computing three‐dimensional deformations due to surface loads: 2. Present‐day glacial isostatic adjustment (1994) (166)
FOURTH TEST OF GENERAL RELATIVITY: PRELIMINARY RESULTS. (1968) (151)
Quasars Revisited: Rapid Time Variations Observed Via Very-Long-Baseline Interferometry (1971) (151)
A spectral formalism for computing three‐dimensional deformations due to surface loads: 1. Theory (1994) (146)
Degeneracies in parameter estimates for models of gravitational lens systems (1988) (136)
Very-Long-Baseline Radio Interferometry: The Mark III System for Geodesy, Astrometry, and Aperture Synthesis (1983) (128)
Forced nutations of the Earth: Influence of inner core dynamics: 3. Very long interferometry data analysis (1991) (120)
Planetary radar astronomy (1968) (119)
Post-post-Newtonian deflection of light by the Sun (1980) (115)
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)
Venus: Mass, Gravity Field, Atmosphere, and Ionosphere as Measured by the Mariner 10 Dual-Frequency Radio System (1974) (114)
Precision Geodesy Using the Mark-III Very-Long-Baseline Interferometer System (1985) (113)
Imaging an Event Horizon: submm-VLBI of a Super Massive Black Hole (2009) (111)
Astronomical constants and planetary ephemerides deduced from radar and optical observations (1967) (111)
Atmospheric angular momentum and the length of day: a common fluctuation with a period near 50 days (1981) (103)
Mainbelt Asteroids: Results of Arecibo and Goldstone Radar Observations of 37 Objects during 1980-1995 (1998) (102)
Mainbelt Asteroids: Dual-Polarization Radar Observations (1985) (101)
Europa, Ganymede, and Callisto - New radar results from Arecibo and Goldstone (1992) (99)
Radar measurements of Martian topography. (1969) (90)
General Relativity and Gravitation, 1989: Solar system tests of general relativity: recent results and present plans (1990) (90)
The Gravity Probe B test of general relativity (2015) (88)
Radar Images of Asteroid 4179 Toutatis (1995) (82)
Asteroid 1986 DA: Radar Evidence for a Metallic Composition (1991) (81)
VLBI limits on the proper motion of the ‘core’ of the superluminal quasar 3C345 (1986) (80)
Geodesy by radio interferometry: Evidence for contemporary plate motion (1986) (77)
3C 279 - The case for 'superluminal' expansion (1979) (74)
The Rotation of the Planet Mercury (1965) (74)
Gravitational Constant: Experimental Bound on Its Time Variation (1971) (74)
GENERAL RELATIVITY AND THE ORBIT OF ICARUS. (1971) (73)
Deceleration in the Expansion of SN 1993J (1997) (72)
Galilean satellites: 1976 radar results (1978) (70)
A Decade of SN 1993J: Discovery of Radio Wavelength Effects in the Expansion Rate (2009) (69)
Radar Observations of Comet IRAS-Araki-Alcock 1983d (1989) (68)
The Viking Relativity Experiment (1977) (66)
Radar Observations of Asteroids 1 Ceres, 2 Pallas, and 4 Vesta (1996) (64)
Love numbers for a rotating spheroidal Earth∷ New definitions and numerical values (1995) (64)
Radar Image of Asteroid 1989 PB (1990) (61)
Asteroid radar astrometry (1991) (60)
Miniature interferometer terminals for earth surveying (1979) (60)
Quasars: Millisecond-of-Arc Structure Revealed by Very-Long-Baseline Interferometry (1971) (59)
The Earth's Dust Belt: Fact or fiction?: 2. Gravitational focusing and Jacobi capture (1966) (59)
VLBI study of 1038+528 A and B: discovery of wavelength dependence of peak brightness location (1984) (57)
The gravity field of Mars (1975) (57)
A very-long-baseline interferometer system for geodetic applications (1976) (57)
Effects of Solar Radiation Pressure on Earth Satellite Orbits (1960) (56)
HST Observations and Models of The Gravitational Lens System MG 0414+0534 (1996) (56)
Mariner 9 Celestial Mechanics Experiment: Gravity Field and Pole Direction of Mars (1972) (56)
Mercury's perihelion advance - Determination by radar. (1972) (55)
Precision Geodesy via Radio Interferometry (1972) (53)
Lunar dynamics and selenodesy: Results from analysis of VLBI and laser data (1976) (52)
Submilliarcsecond astrometry via VLBI. I - Relative position of the radio sources 3C 345 and NRAO 512 (1979) (52)
Radar observations of Comet Halley (1989) (51)
Constraining proposed combinations of ice history and earth rheology using VLBI determined baseline length rates in North America (1993) (51)
The very flat radio spectrum of 0735 plus 178 - A cosmic conspiracy (1980) (51)
Gravity Field of Mars from Mariner 9 Tracking Data (A. 6.2 and A. 6. 1) (1973) (50)
Radio-source positions from VLBI (1986) (50)
Asteroid and comet orbits using radar data (1992) (49)
An Estimate of H0 from Keck Spectroscopy of the Gravitational Lens System 0957+561 (1997) (48)
New Method for the Detection of Light Deflection by Solar Gravity (1967) (48)
Radar Observations of Asteroids 7 Iris, 9 Metis, 12 Victoria, 216 Kleopatra, and 654 Zelinda (1995) (47)
Microarcsecond optical astrometry - an instrument and its astrophysical applications (1988) (47)
The System of Planetary Masses (1971) (47)
Hubble's constant determined using very-long baseline interferometry of a supernova (1985) (47)
Is the Sun Shrinking? (1980) (47)
Transcontinental Baselines and the Rotation of the Earth Measured by Radio Interferometry (1974) (46)
Astronomical Applications of Differential Interferometry (1972) (46)
The Earth's Dust Belt: Fact or fiction?: 1. Forces perturbing dust particle motion (1966) (45)
New model for the 0957 + 561 gravitational lens system - Bounds on masses of a possible black hole and dark matter and prospects for estimation of H0 (1991) (44)
Nutations of the Earth (1992) (43)
Martian Craters and a Scarp as Seen by Radar (1971) (43)
Comet Encke: Radar Detection of Nucleus (1982) (42)
Radar altimetry of Mercury: A Preliminary analysis (1986) (42)
Perturbations of the Orbit of the Echo Balloon (1960) (42)
Geodesy using the Swedish permanent GPS network: Effects of signal scattering on estimates of relative site positions (1996) (42)
Radar Measurements of the Surface Topography and Roughness of Mars (1970) (41)
Mercury: Results on Mass, Radius, Ionosphere, and Atmosphere from Mariner 10 Dual-Frequency Radio Signals (1974) (41)
Geodesy by radio interferometry: Studies of the forced nutations of the earth. I - Data analysis. II - Interpretation (1986) (41)
VLBI Observations of 23 Hot Spots in the Starburst Galaxy M82 (1987) (41)
Expansion of SN 1993J (1995) (40)
Radar determination of the rotations of Venus and Mercury (1967) (40)
The nucleus of M81 - Simultaneous 2.3 and 8.3 GHz Mark III VLBI observations (1982) (40)
Geodesy by radio interferometry: Determination of a 1.24‐km base line vector with ∼5‐mm repeatability (1978) (40)
Length of day and atmospheric angular momentum: A comparison for 1981–1983 (1985) (38)
Advances in Solar System Tests of Gravity (1997) (37)
Solar Gravitational Deflection of Radio Waves Measured by Very-Long-Baseline Interferometry (1974) (37)
Discovery of shell-like radio-structure in SN1993J (1995) (37)
Radio source positions from very-long-baseline interferometry observations (1976) (36)
Topography and radar scattering properties of Mars (1973) (36)
Geophysical Applications of Long-Baseline Radio Interferometry (1970) (35)
Very long baseline interferometric observations of the H2O sources in W49N, W3(OH), Orion A, and VY Canis Majoris. (1973) (35)
A Century of Relativity (1999) (35)
Theoretical Model for the Chandler Wobble* (1967) (34)
A high-resolution radio image of a young supernova (1991) (34)
High precision astrometry via very-long-baseline radio interferometry: Estimate of the angular separation between the quasars 1038+528A and B (1983) (33)
Radar Detection of Near-Earth Asteroids 2062 Aten, 2101 Adonis, 3103 Eger, 4544 Xanthus, and 1992 QN☆ (1997) (33)
Lunar Topography: Global Determination by Radar: Delay-Doppler stereoscopy and radar interferometry yield high-resolution three-dimensional views of the moon. (1972) (33)
Love numbers for diurnal tides: Relation to wobble admittances and resonance expansions (1995) (32)
Forced nutations of the Earth: Contributions prom the effects of ellipticity and rotation on the elastic deformations (1993) (31)
The Case for the Radar Radius of Venus (1968) (31)
VLBI Observations of the Gravitational Lens System 0957+561: Structure and Relative Magnification of the A and B Images (1988) (31)
Radar observations of asteroid 1685 Toro (1983) (31)
Comparison of geodetic and radio interferometric measurements of the Haystack‐Westford base line vector (1980) (31)
Stochastic Equations for Nonequilibrium Processes (1960) (30)
Resonance Rotation of Venus (1967) (30)
Radar observations of the icy Galilean satellites (1980) (30)
Venus: Topography Revealed by Radar Data (1972) (29)
Geodesy by Radio Interferometry: Intercontinental Distance Determinations With Subdecimeter Precision- (Paper 80B 1609) (1981) (28)
5.6. Estimation of Astrometric and Geodetic Parameters (1976) (28)
The prediction of satellite orbits (1963) (28)
Scientific Uses of Pulsars (1968) (28)
Constraining H0 from Chandra Observations of Q0957+561 (2001) (27)
Venus gravity: A high-resolution map (1981) (26)
TESTING GENERAL RELATIVITY WITH RADAR (1966) (26)
A Reassessment of the Data and Models of the Gravitational Lens Q0957+561 (1998) (26)
Spin-orbit resonance of Mercury (1969) (25)
Interferometric Observations of an Artificial Satellite (1972) (25)
Radar observations of three comets and detection of echoes from one: P/Grigg-Skjellerup (1998) (25)
On the formation of the orbit-orbit resonance of Titan and Hyperion (1974) (24)
Limits on arcsecond-scale fluctuations in the cosmic microwave background (1984) (24)
Radar images of asteroid 1627 Ivar (1990) (24)
Detection of a Compact Radio Source near the Center of a Gravitational Lens: Quasar Image or Galactic Core? (1983) (24)
Lightlike Behavior of Particles in a Schwarzschild Field (1972) (24)
High-resolution observations of SN 2001gd in NGC 5033 (2005) (24)
7. Dynamics, winds, circulation and turbulence in the atmosphere of venus (1977) (24)
LAGEOS Acceleration Due to Intermittent Solar Heating During Eclipse Periods (1988) (24)
Proper Motion of Components in 4C 39.25 (1995) (24)
Theoretical Model for the Chandler Wobble (1967) (23)
Nonresonance rotation of Venus (1979) (23)
Effects of atmospheric modeling errors on determinations of baseline vectors from very long baseline interferometry (1991) (23)
Test of the weak-equivalence principle in an Einstein elevator (1994) (23)
Galilean Satellites of Jupiter: 12.6-Centimeter Radar Observations (1977) (23)
Radar Observations of Asteroid 3908 Nyx (2002) (23)
VLBI observations of the polarized radio emission from the quasar 3C 454.3 (1984) (22)
The milli-arcsecond images of Q0957 + 561 (1984) (22)
Precision Selenodesy via Differential Interferometry. (1973) (22)
Tidal dissipation in the Moon (1981) (22)
Pulsar astrometry via VLBI (1985) (21)
Surface‐Height Variations on Venus and Mercury (1970) (20)
Erratum to: Miniature interferometer terminals for Earth Surveying (1979) (20)
Viking Lander Location and Spin Axis of Mars: Determination from Radio Tracking Data (1976) (20)
Determination of tidal h Love number parameters in the diurnal band using an extensive VLBI data set (1994) (20)
Radio Science Experiments: The Viking Mars Orbiter and Lander (1972) (19)
Lifetimes of Orbiting Dipoles: Sunlight pressure should limit the average orbit lifetime of West Ford dipoles to about 7 years. (1961) (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)
Detection of transient motions with the Global Positioning System (1996) (19)
Very long baseline interferometry at a wavelength of 3.4 mm (1983) (19)
Mars Dynamics, Atmospheric and Surface Properties: Determination from Viking Tracking Data (1976) (18)
Radar observations of Icarus (1969) (18)
Venus: Comparison of gravity and topography in the vicinity of Beta Regio (1982) (18)
An interferometer map of the water-vapor sources in W49 (1971) (18)
Orbital properties of the West Ford dipole belt (1964) (18)
Arecibo radar observations of Phobos and Deimos (2007) (18)
VLBI-derived Trigonometric Parallax and Proper Motion of PSR B2021+51 (1996) (18)
Extragalactic radio sources - Accurate positions from very-long-baseline interferometry observations (1973) (18)
Supernova 1987A: radiosphere resolved with VLBI five days after the neutrino burst (1988) (17)
The geometric oblateness of Uranus (1980) (17)
Fine structure of 25 extragalactic radio sources (1975) (17)
ICARUS: FURTHER CONFIRMATION OF THE RELATIVISTIC PERIHELION PRECESSION. (1968) (17)
The prediction of ballistic missile trajectories from radar observations (1957) (17)
An unusually strong radio outburst in Algol - VLBI observations (1976) (17)
Backpack VLBI terminal with subscentimeter capability (1980) (16)
Orbit-Orbit Resonance Capture in the Solar System (1972) (16)
Earth rotation from lunar laser ranging (1981) (16)
Recent Results of Radio Interferometric Determinations of a Transcontinental Baseline, Polar Motion, and Earth Rotation (1979) (16)
Radio-size estimates of SN 1993J (1994) (16)
The Earth's Dust Belt: Fact or fiction?: 3. Lunar ejecta (1966) (16)
70-cm radar observations of 433 Eros (1976) (15)
8.4 GHz VLBI observations of SN 2004et in NGC 6946 (2007) (15)
43 GHz-VLBI observations of 3C 273 after a flux density outburst in 1988 (1990) (15)
Comparison of Earth rotation as inferred from radio interferometric, laser ranging and astrometric observations (1983) (15)
Radar detectability of comets (1982) (15)
X-Ray Detection of the Primary Lens Galaxy Cluster of the Gravitational Lens System Q0957+561 (1998) (15)
Apparent 'superrelativistic' expansion of the extragalactic radio source 3C 345 (1976) (14)
Radar and photoelectric observations of asteroid 2100 Ra-Shalom (1984) (14)
VLBI observations of SN 1986J - deviations from spherical symmetry in its radio brightness distribution (1989) (13)
Milliarcsecond Change of IM Pegasi Radio Position in 1 Hour Coincident with Sharp Rise in Flux Density (1999) (13)
The Viking Radio Science Investigations (1977) (13)
Quasar 4C39.25 is not contracting (1985) (13)
The case for the radar radius of venus. (1968) (13)
Universal time: Results from lunar laser ranging (1978) (13)
Radar Verification of the Doppler Formula (1966) (13)
Theory of the radar determination of planetary rotations (1967) (13)
Possible Corotation of the Milliarcsecond Radio Structure of the Close Binary HR 1099 (2002) (13)
10. The surface and interior of venus (1977) (12)
Radar observations of asteroid 1580 Betulia (1979) (12)
ROSAT observations of the gravitationally lensed system 0957+561 (1995) (12)
VLBI imaging with an angular resolution of 100 microarcseconds (1988) (12)
Improvements in the Accuracy of Geodetic Vlbi (2013) (12)
Ross-Schiff Analysis of a Proposed Test of General Relativity: A Critique (1966) (12)
Very Long Baseline Interferometry for Centimeter Accuracy Geodetic Measurements (1975) (12)
Radar Observations of Asteroid 2100 Ra-Shalom (2000) (12)
Lunar baselines and libration from differential Vlbi observations of alseps (1973) (11)
Synchronization of Clocks by Very-Long-Baseline Interferometry (1979) (11)
The Spin Vector of Venus (1990) (11)
Radar observations of asteroid 1 Ceres (1979) (11)
Wind Velocities on Venus: Vector Determination by Radio Interferometry (1979) (11)
On the relative proper motion of quasars 1038+528 A,B (1994) (11)
Last of the West Ford Dipoles (1966) (11)
Experimental study of charge drag on orbiting dipoles (1963) (11)
VLBI FOR GRAVITY PROBE B. I. OVERVIEW (2012) (10)
Nonlinear effects in the propagation of an ion beam across a magnetic field (1986) (10)
VLBI FOR GRAVITY PROBE B. V. PROPER MOTION AND PARALLAX OF THE GUIDE STAR, IM PEGASI (2012) (10)
Venus: Density of Upper Atmosphere from Measurements of Drag on Pioneer Orbiter (1979) (10)
Solar rotation and planetary orbits (1965) (10)
Time-dependent radio fine structure of the quasar 3C 345 (1976) (10)
Numerical model of the Moon's rotation (1977) (10)
The earth's dust belt - Fact or fiction/ques/ I, II, III, IV. (1966) (10)
Radar observations of asteroid 1862 Apollo (2002) (10)
Forced nutations of the earth: Influence of inner core dynamics. I - Theory. II - Numerical results and comparisons. III - Very long interferometry data analysis (1991) (10)
Testing the strong equivalence principle by radio ranging (1984) (9)
Further 7 millimeter VLBI observations of 3C 84 and other sources with 100 microarcsecond angular resolution (1990) (9)
General Relativity Accuracy Test (GReAT): New configuration for the differential accelerometer (2011) (9)
Bound on the Secular Variation of the Gravitational Interaction (1976) (9)
Testing general relativity: Progress, problems, and prospects (1972) (9)
Opportunities for Probing Fundamental Gravity with Solar System Experiments (2009) (9)
VLBI FOR GRAVITY PROBE B. III. A LIMIT ON THE PROPER MOTION OF THE “CORE” OF THE QUASAR 3C 454.3 (2012) (9)
Investigation of radiation from pulsar PSR 0329+54 using Mark III VLBI observations. (1985) (8)
Precision Surveying Using Radio Interferometry (1978) (8)
C 120: Intense Outburst (s) of Radio Radiation Detected with the Goldstone-Haystack Interferometer (1973) (8)
Radar Imaging of Asteroid 4179 Toutatis (1993) (8)
The Earth's Dust Belt: Fact or fiction?: 4. Sunlight-pressure air-drag capture (1966) (8)
The compact radio source 2021 + 614 - A peculiar narrow-line radio galaxy (1984) (8)
Radar Observations of the Planets (1968) (8)
Polar motion and UT1: Comparison of VLBI, lunar laser, satellite laser, satellite Doppler, and conventional astrometric determinations (1980) (8)
An optical interferometer in earth orbit for testing general relativity (1982) (8)
Radar detection of near-Earth Asteroids 1915 Quetzalcoatl, 3199 Nefertiti, 3757 (1982 XB), and 4034 (1986 PA) (2004) (7)
Atmospheric Angular Momentum and the Length of Day (1981) (7)
The evolution of the sub-parsec structure of 3C84 at 43 GHz (1992) (7)
Testing general relativity with Landers on the Martian satellite Phobos (1989) (7)
VLBI FOR GRAVITY PROBE B. IV. A NEW ASTROMETRIC ANALYSIS TECHNIQUE AND A COMPARISON WITH RESULTS FROM OTHER TECHNIQUES (2012) (7)
Venus: Radar Determination of Gravity Potential (1973) (7)
Search for an Effect of the Sun on the Frequency of 18-Centimeter Radiation (1970) (7)
RESULTS FROM A DECADE-LONG VLBI ASTROMETRIC MONITORING OF THE PAIR OF QUASARS 1038+528 A AND B (1997) (7)
VLBI Observations of the Gravitational Lens System 0957+561 (1995) (7)
Celestial mechanics experiment for Mariner Mars 1971 (1970) (6)
23 GHz VLBI observations of SN 2008ax (2009) (6)
Experimental bound on the orbital effects of charge drag (1964) (6)
Very Long Baseline Interferometry Imaging of the RS Canum Venaticorum Binary Star System HR 5110 (2003) (6)
Geodesy by radio interferometry - Corrections to the IAU 1980 nutation series (1986) (6)
VLBI FOR GRAVITY PROBE B. II. MONITORING OF THE STRUCTURE OF THE REFERENCE SOURCES 3C 454.3, B2250+194, AND B2252+172 (2012) (6)
VLBI clock synchronization (1977) (6)
The Compact Radio Source 2021+614 : Simultaneous 2.3 and 8.3 GHz Mark III VLBI (1984) (6)
TEPEE/GReAT (General Relativity Accuracy Test in an Einstein Elevator): ready to start (2008) (6)
UPPER LIMIT ON 2- AND 3.75-CENTIMETER RADIATION FROM BLUE STELLAR OBJECTS. (1966) (6)
Effects of the Earth's magnetic field on the orbit of a charged satellite (1961) (6)
Interpretation of radar and radio observations of Venus (1970) (5)
Developments of the general relativity accuracy test (GReAT): a ground-based experiment to test the weak equivalence principle (2000) (5)
Comment on the Definition of Particle Velocity in a Schwarzschild Field (1973) (5)
VLBI FOR GRAVITY PROBE B. VI. THE ORBIT OF IM PEGASI AND THE LOCATION OF THE SOURCE OF RADIO EMISSION (2012) (5)
TESTING THE PRINCIPLE OF EQUIVALENCE IN AN EINSTEIN ELEVATOR (2007) (5)
Radar Detection of 12 Asteroids from Arecibo (1986) (5)
Bound on the Amplitude of the Earth's Free Core-Nutation (1988) (5)
Toward estimation of H(sub 0) from VLBI observations of the gravitational lens system 0957+561 (1994) (5)
Loss of Mass in Echo Satellite (1961) (5)
Geodesy by Radio Ingerferomery' Waer Vapor Radiomegry for Estimation of Delay (1991) (5)
W3(OH): accurate relative positions of water-vapor emission features (1973) (5)
VLBI FOR GRAVITY PROBE B. VII. THE EVOLUTION OF THE RADIO STRUCTURE OF IM PEGASI (2012) (5)
Constraints on deep-Earth properties from space-geodetic data (1995) (5)
Time-dependent radio fine structure of the compact sources NRAO 150 and 4C 39.25 (1980) (5)
Source Positions from Very Long Baseline Interferometer Observations. (1973) (4)
Advances in the development of the experiment to test the equivalence principle in an Einstein elevator (2007) (4)
Effects of Sunlight Pressure on Air Density Determinations Involving Cylindrical Satellites (1963) (4)
The quasars 1038+528 A and B (1985) (4)
Global 3- and 7-mm VLBI Observations of OJ 287 (1996) (4)
Mariner 9 celestial mechanics experiment - A status report. (1973) (4)
Modeling and Analysis of the APOLLO Lunar Laser Ranging Data (2016) (4)
Time, geodesy, and astrometry: Results from radio interferometry (1973) (4)
"Correction [to “Geodesy by radio interferometry: Studies of the forced nutations of the Earth, 1. Data analysis” by T. A. Herring, C. R. Gwinn and I. I. Shapiro]"" (1986) (4)
Confirmation of a conspiracy - Dual-band VLBI maps of the flat-spectrum radio source 2021 + 614 (1982) (4)
VLBI observations of the jet near the core of M87 (1981) (4)
Experimental challenges posed by the general theory of relativity. (1980) (4)
Radar detection of Vesta (1980) (4)
Effects of the West Ford belt on astronomical observations (1964) (4)
VLBI for Gravity Probe B: the guide star, IM Pegasi (2015) (4)
EFFECTS OF GENERAL RELATIVITY ON INTERPLANETARY TIME-DELAY MEASUREMENTS (1964) (4)
A radar test of the constancy of the gravitational interaction. (1978) (3)
VLBI differential astrometry of the radio sources 1928+738 and 2007+777 at 5 GHz. (1995) (3)
TEPEE/GReAT (General Relativity Accuracy Test in an Einstein Elevator): Advances in the detector development (2008) (3)
How is really decelerating the expansion of SN1993J (2002) (3)
Radar Detection of Iris, Psyche, Klotho, Apollo, and Quetzalcoatl. (1981) (3)
First 7 mm VLBI observations of the peculiar superluminal radio source 4C 39-25 (1993) (3)
First 43 GHz VLBI detection of the compact source Sgr A* in the Galactic Center (1993) (3)
VLBI observations of III Zw 2 (1978) (3)
Rotation of the Earth from Lunar Laser Ranging (1981) (3)
Quasat: technical aspects of the proposed mission. (1984) (3)
Accuracy of relative positioning by interferometry with GPS Double-blind test results (1983) (3)
High precision difference astrometry applied to the triplet of S5 radio sources B1803+784/Q1928+738/B2007+777 (1999) (3)
The Lincoln Laboratory Earth-Crossing Asteroid Search. (1980) (3)
VLBA image of Sgr A* at λ=1.35 cm (1993) (3)
Application of very long baseline interferometry to Astrometry and Geodesy: effects of frequency standard instability on accuracy (1974) (3)
Down to earth relativity (1978) (3)
Cygnus X-3 radio source - Lower limit on size and upper limit on distance. (1972) (3)
Towards global-phase-delay VLBI astrometry: observations of QSO 1150+812 and BL 1803+784 (2000) (3)
Radar determination of the Astronomical Unit (1965) (3)
Rapid Brightness Fluctuations in Q0957+561A,B: Microlensing or Seeing? (2003) (3)
Polarization of the Compact Radio Structure of 3C 454.3 (1982) (3)
Proper Motion of Components of the Quasar 3C 345 (1984) (3)
Theory of the axial rotations of Mercury and Venus. (1967) (3)
Orbital Lifetime of the West Ford Dipoles (1963) (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)
Testing the Equivalence Principle in an Einstein Elevator: detector Dynamics and Gravity Perturbations (2003) (2)
A Close Look at a Close Pair of QSOs : VLBI Observations of 1038+528 A,B (1982) (2)
VLBI imaging of the RS CVn binary star system HR 5110 (2003) (2)
Celestial mechanics results from Viking radio tracking data. (1977) (2)
The future of VLBI observatories in space (1983) (2)
A search at the millijansky level for milli-arcsecond cores in a complete sample of radio galaxies (1984) (2)
Discovery of a new component in the gravitationally lensed quasar 0957 + 561 (1993) (2)
Measurement of the quality factor of a new low-frequency differential accelerometer for testing the equivalence principle. (2014) (2)
Very long baseline interferometric observations of the H$sub 2$O sources in W49 N, W3(OH), Orion A, and VY Canis Majoris (1973) (2)
Radar Detection of the Asteroid 1 Ceres. (1977) (2)
THE CENTRAL COMPONENT OF GRAVITATIONAL LENS Q0957+561 (2008) (2)
Rotation of Venus (1968) (2)
Radar Detection of Astraea, Victoria, Fortuna, Hestia, Juewa, Geographos, and Oljato (1983) (2)
Experimental tests of the general theory of relativity. (1979) (2)
Testing General Relativity with Lunar Laser Ranging. (1996) (2)
Radar observations of asteroid 7335 (1989 JA) (2002) (2)
New Method for Investigating Micrometeoroid Fluxes (1963) (2)
Nearly Microarcsecond Precision Differential Astrometry (1984) (2)
Mercury's Permanent Thermal Bulges. (1968) (2)
Universal Time: Lunar Ranging Results and Comparisons with VLBI and Classical Techniques (1977) (2)
Detector Configurations for Equivalence Principle Tests with Strong Separation of Signal from Noise (2006) (2)
Evidence for lunar librations near resonance (1982) (2)
Discrepancies between Radar Data and the Lunar Ephemeris (1968) (2)
VLBI geodesy - 2 parts-per-billion precision in length determinations for transcontinental baselines (1988) (1)
Radar studies in the solar system (1991) (1)
4 GHz VLBI Observations of SN 2004 et in NGC 6946 (2007) (1)
The Icy Galilean Satellites: New Radar Results (1988) (1)
Flight Definition of an Experiment to Test the equivalence Principle in an Einstein Elevator (2001) (1)
Preliminary results from processing radar and optical planetary observations (1966) (1)
Test of the Equivalence Principle in an Einstein Elevator (2002) (1)
Geodesy by radio interferometry - A critical review (1981) (1)
LAGEOS Laser Observations Error Analysis (1975) (1)
VLBA image of SGR A at lambda = 1.35 cm. (1993) (1)
Analysis of Effects of Initial Conditions and Physical Parameters in a Differential Accelerometer Modeled as a Multibody System (2003) (1)
The Planetary Ephemeris Program: Capability, Comparison, and Open Source Availability (2021) (1)
Methods of correction for the 'wet' atmosphere in estimating baseline lengths from VLBI (1988) (1)
VLBI Observations of the M81-M82 Pair of Galaxies (1987) (1)
Analysis of Laser Ranging and VLBI Observations for Geodetic Purposes. (1979) (1)
Model-dependent bounds on H/sub 0/ from gravitational images: Application to Q0957+561A,B (1985) (1)
The Mariner 9 celestial mechanics experiment (1973) (1)
A proposal for a test of Weak Equivalence Principle with improved accuracy using a cryogenic differential accelerometer installed on a pendulum (2015) (1)
TESTING GENERAL RELATIVITY: PROGRESS, PROBLEMS, AND PROSPECTS. (1971) (1)
GReAT (General Relativity Accuracy Test): a free fall test of Weak Equivalence Principle from stratospheric balloon altitude . (2008) (1)
Astronomical Constants from Analysis of Inner-Planet Radar Data. (1971) (1)
Dynamics of orbiting dust particles (1967) (1)
Solar Radiation Pressure Effects, Gas Leakage Rates, and Air Densities Inferred from the Orit of Echo I (1961) (1)
1038+528A, B - Phase-Reference and Spectral-Index Maps (1984) (1)
Geodesy by radio interferometry - Determination of a 1.24-km base line vector with approximately 5-mm repeatability (1978) (1)
New results from the viking relativity experiment (1982) (1)
Planetary ephemeris frame - radio source frame offsets derived from differential VLBI. (1983) (1)
VLBI Imaging and astrometry of the RS CVn binary star IM Pegasi (2001) (1)
Upper limits on the radar cross section of comet Kohoutek. (1975) (1)
A high declination search at 8 GHz for compact radio sources (1978) (1)
The Mariner Quasar Experiment: Part I (1973) (1)
Long-Baseline Interferometric Measurement of Gravitational Bending of Radiation from 3C279 in the Solar Gravitational Field. (1970) (1)
High-Resolution Radio Imaging of Young Supernovae: SN 1979C, SN 1986J, and SN 2001gd (2005) (1)
VLBI Observations of the "Twin Quasar" 0957+56A, B (1980) (1)
Equivalence Principle's Test with Improved Accuracy using a Cryogenic Differential Accelerometer Installed on a Pendulum. (2013) (1)
VLBI Observations of the Supernova SN 1979c (1983) (0)
Radio Imaging of the Gravity Probe B Guide Star IM Pegasi (2007) (0)
VLBI astrometry for the NASA/Stanford gyroscope relativity mission Gravity Probe B (2007) (0)
Radar Observations of Ceres, Pallas, and Vesta (1995) (0)
Multi-Frequency Observations of the Very Flat Spectrum of the Extragalactic Radio Source 0735+178 (1979) (0)
Open Discussion: R. Dicke, Chairman (1980) (0)
Laser Ranging and Very-Long-Baseline Interferometry for Geodetic Applications. (1978) (0)
Radar Detection of 9 Metis, 80 Sappho, 356 Liguria, 694 Ekard, and 2101 Adonis (1984) (0)
Topography and Scattering Characteristics of Venus (1974) (0)
First epoch VLBI observations of the gravitational lens system 2016+112 (1990) (0)
VLBI Detection of Components of a New Gravitational Lens Candidate, 2016+113A, B, C (1983) (0)
VLBI observations of III Zw 2. [Seyfert galaxy] (1978) (0)
Biographical Encyclopedia of Astronomers (2020) (0)
The Viking relativity experiment. [radio transmission delay due to solar gravitation effects (1977) (0)
Mark III VLBI Observations of the Nucleus of M81 at 2.3 and 8.3 GHz (1982) (0)
Expansion of SN 1993 J : new 6 and 13 cm imagesJ (0)
23 GHz VLBI Observations of SN 2008ax (2009) (0)
Detection of New Compact Radio Component Near Q0957+561B: Quasar Image or Galactic Core? (1982) (0)
Analysis of Lunar Laser Ranging Data and Performance and Analysis of VLBI Observations for Geodetic Purposes. (1980) (0)
Prospects for observations of relativistic effects in the solar system (1986) (0)
Radar studies of the planets. [radar measurements of lunar surface, Mars, Mercury, and Venus] (1974) (0)
Analysis of Mariner 5 Radio Tracking Data (1974) (0)
Properties of Mars and Its Environment as Determined from Viking Radio Tracking Data (1977) (0)
Studies of regional and global tectonics and the rotation of the earth using very-long-baseline interferometry (1992) (0)
Development of a High-Sensitivity Differential Accelerometer to be Used in the Experiment to Test the Equivalence Principle in an Einstein Elevator (2003) (0)
Can we Measure H 0 with VLBI Observations of Gravitational Images (1988) (0)
Expansion of SN 1993J: New λλ6 and 13 cm images (1997) (0)
Possible measurement of the coefficient of the second zonal harmonic of the sun's gravitational field with a solar probe (1978) (0)
Wind speeds in lower atmosphere of Venus: Status report on possible measurement via differential VLBI tracking of entry probes (1972) (0)
High-Resolution Radio Imaging of Young Supernovae : SN 1979 C , SN 1986 J , and SN 2001 gd (2015) (0)
Simultaneous Dual-Wavelength VLBI Observations of Sgr A (1984) (0)
Synchronization of Clocksby Very- Long-BaselineInterferometry (1979) (0)
Proper Motion of the GP-B Guide Star (2007) (0)
High-resolution radio imaging of young supernovae (2004) (0)
The Weak Equivalence Principle (WEP) and the General Relativity Accuracy Test (GReAT) with an Einstein Elevator (2005) (0)
VLBI clock synchronization. [for atomic clock rate] (1977) (0)
Testing gravitational theories with planetary radar observations (1966) (0)
EXPANSION OF SCATTERING AMPLITUDE IN RALATIVISTIC SPHERICAL FUNCTIONS (1962) (0)
Study of lunar librations using differential very-long-baseline observations of ALSEPs (1977) (0)
Solar-System Tests of Gravitational Theories (2002) (0)
VLBI observations of Supernova 1987 A (1988) (0)
An extraordinary radio outburst in Algol: flux and structure observations. (1975) (0)
Results of Closure Phase Analysis of VLBI Data (1975) (0)
Dynamics of orbiting dust particles (abstract) (1967) (0)
Geodesic precession of the Earth-Moon system (1988) (0)
So You Want to Do VLBI (2011) (0)
Further Observations of Brightness Variation In the Small Scale Structure of 3C273 and 3C279. (1972) (0)
Radar Echoes from Asteroid 1986 DA Indicate a Metallic Composition (1987) (0)
Analysis of the capability and limitations of relativistic gravity measurements using radio astronomy methods. Final report, 1 Oct 1973--30 Jun 1975 (1975) (0)
EQUATIONS OF TWO- AND THREE-DIMENSIONAL GAS DYNAMICS FOR SUFFICIENTLY LARGE REYNOLDS NUMBERS* (1987) (0)
Global 6 cm VLBI investigations of 0957+561 (1993) (0)
Rate of Expansion and Spectral-index Map of SN 1993J (1996) (0)
Second Epoch of Simultaneous λ 3.6 and λ 13 CM Observations of the Pair of Quasars 1038 + 528 A, B (1988) (0)
Precision surveying using very long baseline interferometry (1977) (0)
Evolution of the Radio Fine Structure of 3C 273B and 3C 279 (1976) (0)
Towards VLBI determinations of pulsar parallaxes and proper motions (1993) (0)
Astrometry of the Millisecond Pulsar B1937+21. (1996) (0)
Radio observations of SN 1987A (1988) (0)
The ``Core'' of the Quasar 3C454.3 as the Extragalactic Reference for the Proper Motion of the Gravity Probe~B Guide Star (2007) (0)
(abstract) Large-Scale Topography on Main-Belt Asteroids: Evidence from Arecibo Radar Spectra (1994) (0)
PERTURBATIVE FORCES AFFECTING THE MOTION OF ARTIFICIAL EARTH SATELLITES (1961) (0)
Einstein Prize Talk: The Anatomy of a Test of General Relativity (2013) (0)
N 79 21471 Miniature Interferometer Terminals for Earth Surveying (2010) (0)
Viking radio science data analysis and synthesis. [rotation of Mars, solar system dynamics, and gravitational laws] (1984) (0)
Limits on metric parameters beta and gamma (1984) (0)
Observations of hysteresis damping in a spinning satellite. (1968) (0)
X-ray observations of the lensed quasar 0957+561 (1990) (0)
Viking radio science data analysis and synthesis (1985) (0)
Martian topography by radar,1971 (1971) (0)
VLBI phase referencing at 5 degrees separation (1993) (0)
Mark III VLBI: High Sensitivity Mapping of Weak Radio Sources (1981) (0)
VLBI Observations of the O957 + 561 Gravitational Lens Systems (review) (1988) (0)
Radar Observations of Near-Earth Asteroids 2062 Aten, 2101 Adonis, 3103 Eger, 4544 Xanthus, and 1992 QN (1996) (0)
Rapid-response radar observation of earth-approaching asteroids. (1991) (0)
ROSAT observations of the gravitationally lensed quasar 0957+561 (1993) (0)
Errors in high precision source position determination (1991) (0)
VLBI observations of 3C 345 and NRAO 512 in right and left circular polarization (1978) (0)
A Limit On The Proper Motion Of The (2006) (0)
Watergate Tape Erasure (1974) (0)
Recent Evolution of Jet Components in 3C345 at 3.6 cm (1990) (0)
Mark-Iii VLBI Observations of Pulsars (1984) (0)
McCarthy : Could you oomment on the contribution of atmospheric angular momentum on low-frequency variations in WD ? (2015) (0)
Time-delay test of general relativity and Earth-Mars ephemeris improvement from analysis of Mariner 9 tracking data (1973) (0)
VLBI observations of the compact components in M82 (1986) (0)
Lifetimes ofOrbiting Dipoke Sunlight pressure should limit theaverage orbit lifetime ofWestForddipoles toabout7year (2016) (0)
Methods of Approximation for High Energy Nuclear Scattering. (1955) (0)
VLBI Position Determinations for the Millisecond Pulsar B1937+21 (1996) (0)
Application of planetary measurements to planetary radius and rotation rate determinations (1965) (0)
High Precision Astrometry with Closure Constraints (1998) (0)
Radar Astronomy, General Relativity, and Celestial Mechanics (2010) (0)
Simultaneous dual-wavelength VLBI observations of the compact radio source near the Galactic center (1985) (0)
Analysis of Lunar Laser and ALSEP VLBI Data for Geodetic Purposes. (1974) (0)
VLBI Mapping of SN1986J (1989) (0)
High precision astrometry with closure constraints: The triplet 1803+784/1928+738/2007+777 (1997) (0)
High Precision Astrometry Over Large Angular Scales with Closure Constraints: The Triplet 1803+784/1928+738/2007+777 (1996) (0)
United States Patent ( 19 ) Counselman , III ( 54 ) METHOD AND SYSTEM FOR DETERMINING POSITION USINGSIGNALS FROM SATELLTES 75 Inventor : (2017) (0)
The Dwarf Galaxy 1346-35: Optical and Neutral Hydrogen Properties (1977) (0)
Construction and use of a transportable VLBI electronics system to monitor transcontinental strain accumulation and the rotation of the Earth (1980) (0)
New test of general relativity: preliminary results. (1968) (0)
SUBMILLIARCSECOND SHIFT OF THE BRIGHTNESS PEAK OF THE RADIO SOURCES 1928+738 AND 2007+777 (1998) (0)
Map of H 2 O Line Emission Source in W49 (1971) (0)
A VLBI Measurement of the Solar Gravitational Deflection of Radio Waves. (1996) (0)
VLBI observations of the 0957 + 561 gravitational lens system (1988) (0)
VLBI observations of the gravitational-lens images of Q0957 + 561 (1983) (0)
VLBI Observations of the Gravitational Lens System 2016 + 112 (1988) (0)
Applications to Earth physics: Very-long-baseline interferometry and data analysis (1982) (0)
Apparent Proper Motion in the Quasar 1038+528 A (1990) (0)
Io's radar properties (1991) (0)
Upper limit on the radar cross section of the comet Kohoutek (1975) (0)
Research in Geodesy Based Upon Radio Interferometric Observations of Extragalactic Radio Sources. (1984) (0)
Mercury radar altimetry: A preliminary analysis (1985) (0)
Milliarcsecond Morphology of the Twin Quasar 0957+561A, B (1982) (0)
Proceedings of the Joint Discussion: Radar Determinations of Planetary Motions (1966) (0)
Analysis of Laser Data for Geodetic Purposes. (1973) (0)
Radar Mapping and Precision Ranging of Mercury and Mars (1994) (0)
Watergate tape erasure. (1974) (0)
04 03 27 3 v 2 1 2 M ar 2 00 4 High-resolution radio imaging of young supernovae (2004) (0)
Herring receives Macelwane Medal (1991) (0)
Resonance Rotation of Venus (1967) (0)
Progress in VLBI Stellar Astrometry for the NASA/Stanford Relativity Mission (Gravity Probe B) (1998) (0)
RADIO TESTS OF RELATIVITY * (1973) (0)
Fine structure of 25 extragalactic radio sources. [interferometric observations of quasars] (1975) (0)
Development of accelerometer prototype for testing the equivalence principle in free fall (2008) (0)
High-resolution observations of SN 2001 gd in NGC 5033 (2002) (0)
Correction to "Orbital properties of the west ford dipole belt" (1964) (0)

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