http://arxiv.org/abs/1810.06577
Recent advances in VLBI have led to astrometric accuracy exceeding that of the Gaia mission goals. This chapter describes some important astrophysical problems that can be addressed with sub-milliarcsecond imaging and micro-arcsecond astrometry using the ngVLA with long baselines.
M. Reid, L. Loinard and T. Maccarone
Wed, 17 Oct 18
80/96
Comments: To be published in the ASP Monograph Series, “Science with a Next-Generation VLA”, ed. E. J. Murphy (ASP, San Francisco, CA); 9 pages; 2 figures
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