Position and Proper Motion of Sagittarius A* in the ICRF3 Frame from VLBI Absolute Astrometry

Sagittarius A* (Sgr A*) is a strong, compact radio source believed to be powered by a supermassive black hole at the galactic center. Extinction by dust and gas in the galactic plane prevents observing it optically, but its position and proper motion have previously been estimated using radio interf...

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Bibliographic Details
Published in:	The Astronomical Journal
Main Authors:	David Gordon, Aletha de Witt, Christopher S. Jacobs
Format:	Article
Language:	English
Published:	IOP Publishing 2023-01-01
Subjects:	Radio astrometry Galactic center Astrometry Proper motions
Online Access:	https://doi.org/10.3847/1538-3881/aca65b

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