by Megan Johnson, Frank Schinzel, Jeremy Darling, Nathan Secrest, Bryan Dorland, Alan Fey, Leonid Petrov, Anthony Beasley, Walter Brisken, John Gipson, David Gordon, Lucas Hunt, and Joseph Lazio
Published onMay 31, 2019
The Next Generation Celestial Reference Frame
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Abstract
Astrometry is the fundamental cornerstone for all areas of Astronomy. The IAU adopted International Celestial Reference Frame (ICRF) consists of radio positions of 4536 quasars. In order to maintain and improve the accuracy of the ICRF, we require a next generation radio telescope with long baselines and high sensitivity such as the ngVLA.
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