Edward Fomalont

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Edward Fomalont (born May 14, 1940) is an American scientist working at the National Radio Astronomy Observatory. He specializes in radio galaxies, X-ray binary systems, astrometry, and general relativity. He has published more than 330 papers in peer-reviewed journals and proceedings of scientific conferences.[1]

In 1975, Fomalont and Richard Sramek made a first radio-interferometric occultation experiment to test the theory of general relativity by measuring the bending of microwave radiation in the gravitational field of the Sun.[2] Fomalont and colleagues made the most precise VLBI test of general relativity in 2005 that had reached precision of few parts in 10,000.[3]

In 2002, Fomalont and Sergei Kopeikin claimed to have measured the speed of gravity in the dedicated experiment[4][5] by observing the tangential component in the gravitational bending of light of a quasar caused by the orbital motion of Jupiter with respect to the barycenter of the solar system.[6] This claim was disputed[7] but vigorously defended by Kopeikin and Fomalont in a number of subsequent publications.[8][9][10]

Fomalont is an active participant in many international radio interferometric projects including the VLBI Space Observatory Programme and Square Kilometre Array.

Bibliometric information[edit]

As of November 2013, the NASA ADS database yields a h index of 54, with more than 7100 non-self citations. The tori[11] index and riq[11] index are 77.6 and 176, respectively.


  1. ^ "SAO/NASA Astrophysics Data System". 
  2. ^ Gilbert, Harry; Diana Gilbert Smith (1997). Gravity, the glue of the universe: history and activities. Libraries Unlimited. p. 98. ISBN 978-1-56308-442-3. 
  3. ^ Fomalont, Edward; Kopeikin, Sergei; Lanyi, Gabor; Benson, John (2009). "Progress in Measurements of the Gravitational Bending of Radio Waves Using the VLBA". The Astrophysical Journal. 699: 1395–1402. Bibcode:2009ApJ...699.1395F. arXiv:0904.3992Freely accessible. doi:10.1088/0004-637X/699/2/1395. 
  4. ^ Kopeikin, Sergei (2001). "Testing the Relativistic Effect of the Propagation of Gravity by Very Long Baseline Interferometry". The Astrophysical Journal. 556: L1–L5. Bibcode:2001ApJ...556L...1K. arXiv:gr-qc/0105060Freely accessible. doi:10.1086/322872. 
  5. ^ Fomalont, Edward; Kopeikin, Sergei (2003). "The Measurement of the Light Deflection from Jupiter: Experimental Results". The Astrophysical Journal. 598: 704–711. Bibcode:2003ApJ...598..704F. arXiv:astro-ph/0302294Freely accessible. doi:10.1086/378785. 
  6. ^ "Einstein proved right on gravity". BBC News. January 8, 2003. Retrieved April 17, 2010. 
  7. ^ "Berkeley Lab Physicist Challenges Speed of Gravity Claim". Space Daily. June 22, 2003. Retrieved April 13, 2010. 
  8. ^ "MU Physicist Defends Einstein's Theory And Speed Of Gravity Measurement". Space Daily. October 4, 2007. Retrieved April 17, 2010. 
  9. ^ Kopeikin, Sergei; Fomalont, Edward (2007). "Gravimagnetism, causality, and aberration of gravity in the gravitational light-ray deflection experiments". General Relativity and Gravitation. 39: 1583–1624. Bibcode:2007GReGr..39.1583K. arXiv:gr-qc/0510077Freely accessible. doi:10.1007/s10714-007-0483-6. 
  10. ^ Kopeikin, Sergei; Fomalont, Edward (2006). "Aberration and the Fundamental Speed of Gravity in the Jovian Deflection Experiment". Foundations of Physics. 36: 1244–1285. Bibcode:2006FoPh...36.1244K. arXiv:astro-ph/0311063Freely accessible. doi:10.1007/s10701-006-9059-7. 
  11. ^ a b Pepe, Alberto; Kurtz, Michael J. (November 2012). "A Measure of Total Research Impact Independent of Time and Discipline". PLoS ONE. 7 (11). Bibcode:2012PLoSO...746428P. doi:10.1371/journal.pone.0046428. e46428. Retrieved 8 November 2013. 

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