Search Results
Showing 1-15 of about 15 results.
The Planetary Ephemeris Program: Capability, Comparison, and Open Source AvailabilityDOI: info:10.3847/1538-3881/ac00acv. 16278
Chandler, John F., Battat, James B. R., Murphy, Thomas W., Reardon, Daniel, Reasenberg, Robert D., and Shapiro, Irwin I. 2021. "The Planetary Ephemeris Program: Capability, Comparison, and Open Source Availability." The Astronomical Journal, 162 78. https://doi.org/10.3847/1538-3881/ac00ac.
Shapiro, Irwin I., Chandler, John F., Murphy, Thomas W., and Reasenberg, Robert D. 2021. "Bound on Lunar Plate Motion." Journal of Geophysical Research (Planets), 126 e06887. https://doi.org/10.1029/2021JE006887.
A proposal for a test of Weak Equivalence Principle with improved accuracy using a cryogenic differential accelerometer installed on a pendulumDOI: info:10.1016/j.asr.2015.11.013v. 57715–723
Iafolla, V. A., Fiorenza, E., Lefevre, C., Lucchesi, D. M., Lucente, M., Magnafico, C., Nozzoli, S., Peron, R., Santoli, F., Lorenzini, E. C., Milyukov, V., Shapiro, Irwin, and Glashow, S. 2016. "A proposal for a test of Weak Equivalence Principle with improved accuracy using a cryogenic differential accelerometer installed on a pendulum." Advances in Space Research, 57 715–723. https://doi.org/10.1016/j.asr.2015.11.013.
VLBI for Gravity Probe B: the guide star, IM PegasiDOI: info:10.1088/0264-9381/32/22/224021v. 32224021
Bartel, N., Bietenholz, M. F., Lebach, D. E., Ransom, R. R., Ratner, M. I., and Shapiro, Irwin I. 2015. "VLBI for Gravity Probe B: the guide star, IM Pegasi." Classical and Quantum Gravity, 32 224021. https://doi.org/10.1088/0264-9381/32/22/224021.
Everitt, C. W. F., Muhlfelder, B., DeBra, D. B., Parkinson, B. W., Turneaure, J. P., Silbergleit, A. S., Acworth, E. B., Adams, M., Adler, R., Bencze, W. J., Berberian, J. E., Bernier, R. J., Bower, K. A., Brumley, R. W., Buchman, S., Burns, K., Clarke, B., Conklin, J. W., Eglington, M. L., Green, G., Gutt, G., Gwo, D. H., Hanuschak, G., He, X., Heifetz, M. I. et al. 2015. "The Gravity Probe B test of general relativity." Classical and Quantum Gravity, 32 224001. https://doi.org/10.1088/0264-9381/32/22/224001.
VLBI for Gravity Probe B. III. A Limit on the Proper Motion of the "Core" of the Quasar 3C 454.3DOI: info:10.1088/0067-0049/201/1/3v. 2013
Bartel, N., Bietenholz, M. F., Lebach, D. E., Lederman, J. I., Petrov, L., Ransom, R. R., Ratner, M. I., and Shapiro, Irwin. 2012. "VLBI for Gravity Probe B. III. A Limit on the Proper Motion of the "Core" of the Quasar 3C 454.3." The Astrophysical Journal Supplement Series, 201 3. https://doi.org/10.1088/0067-0049/201/1/3.
VLBI for Gravity Probe B. VII. The Evolution of the Radio Structure of IM PegasiDOI: info:10.1088/0067-0049/201/1/7v. 2017
Bietenholz, M. F., Bartel, N., Lebach, D. E., Ransom, R. R., Ratner, M. I., and Shapiro, Irwin. 2012. "VLBI for Gravity Probe B. VII. The Evolution of the Radio Structure of IM Pegasi." The Astrophysical Journal Supplement Series, 201, (shown by the emission region.) 7. https://doi.org/10.1088/0067-0049/201/1/7.
VLBI for Gravity Probe B. IV. A New Astrometric Analysis Technique and a Comparison with Results from Other TechniquesDOI: info:10.1088/0067-0049/201/1/4v. 2014
Lebach, D. E., Bartel, N., Bietenholz, M. F., Campbell, R. M., Gordon, D., Lederman, J. I., Lestrade, J. -F, Ransom, R. R., Ratner, M. I., and Shapiro, Irwin. 2012. "VLBI for Gravity Probe B. IV. A New Astrometric Analysis Technique and a Comparison with Results from Other Techniques." The Astrophysical Journal Supplement Series, 201 4. https://doi.org/10.1088/0067-0049/201/1/4.
VLBI for Gravity Probe B. II. Monitoring of the Structure of the Reference Sources 3C 454.3, B2250+194, and B2252+172DOI: info:10.1088/0067-0049/201/1/2v. 2012
Ransom, R. R., Bartel, N., Bietenholz, M. F., Lebach, D. E., Lederman, J. I., Luca, P., Ratner, M. I., and Shapiro, Irwin. 2012. "VLBI for Gravity Probe B. II. Monitoring of the Structure of the Reference Sources 3C 454.3, B2250+194, and B2252+172." The Astrophysical Journal Supplement Series, 201 2. https://doi.org/10.1088/0067-0049/201/1/2.
VLBI for Gravity Probe B. VI. The Orbit of IM Pegasi and the Location of the Source of Radio EmissionDOI: info:10.1088/0067-0049/201/1/6v. 2016
Ransom, R. R., Bartel, N., Bietenholz, M. F., Lebach, D. E., Lestrade, J. -F, Ratner, M. I., and Shapiro, Irwin. 2012. "VLBI for Gravity Probe B. VI. The Orbit of IM Pegasi and the Location of the Source of Radio Emission." The Astrophysical Journal Supplement Series, 201 6. https://doi.org/10.1088/0067-0049/201/1/6.
VLBI for Gravity Probe B. V. Proper Motion and Parallax of the Guide Star, IM PegasiDOI: info:10.1088/0067-0049/201/1/5v. 2015
Ratner, M. I., Bartel, N., Bietenholz, M. F., Lebach, D. E., Lestrade, J. -F, Ransom, R. R., and Shapiro, Irwin. 2012. "VLBI for Gravity Probe B. V. Proper Motion and Parallax of the Guide Star, IM Pegasi." The Astrophysical Journal Supplement Series, 201 5. https://doi.org/10.1088/0067-0049/201/1/5.
Shapiro, Irwin, Bartel, N., Bietenholz, M. F., Lebach, D. E., Lestrade, J. -F, Ransom, R. R., and Ratner, M. I. 2012. "VLBI for Gravity Probe B. I. Overview." The Astrophysical Journal Supplement Series, 201 1. https://doi.org/10.1088/0067-0049/201/1/1.
A decade of SN 1993J: discovery of radio wavelength effects in the expansion rateDOI: info:10.1051/0004-6361/200912133v. 505EDP Sciences927–945
Marcaide, J. M., Martí-Vidal, I., Alberdi, A., Pérez-Torres, M. A., Ros, E., Diamond, P. J., Guirado, J. C., Lara, L., Shapiro, Irwin, Stockdale, C. J., Weiler, K. W., Mantovani, F., Preston, R. A., Schilizzi, R. T., Sramek, R. A., Trigilio, C., van Dyk, S. D., and Whitney, A. R. 2009. "A decade of SN 1993J: discovery of radio wavelength effects in the expansion rate." Astronomy and Astrophysics, 505 927–945. https://doi.org/10.1051/0004-6361/200912133.
The Central Component of Gravitational Lens Q0957+561v. 135984–990
Haarsma, Deborah B., Winn, Joshua N., Shapiro, Irwin, and Lehár, Joseph. 2008. "The Central Component of Gravitational Lens Q0957+561." The Astronomical Journal, 135 984–990.
Testing the Principle of Equivalence in AN Einstein Elevatorv. 162227–2243
Shapiro, Irwin, Lorenzini, E. C., Ashenberg, J., Bombardelli, Claudio, Cheimets, P. N., Iafolla, V., Lucchesi, D. M., Nozzoli, S., Santoli, F., and Glashow, S. 2007. "Testing the Principle of Equivalence in AN Einstein Elevator." International Journal of Modern Physics D, 16 2227–2243.