Sagittarius A* is a bright and very compact astronomical radio source at the ... The proper motion of Sgr A* is approximately −2.70 mas per year for the right ascension and −5.6 mas ...
Mass: (4.31 ± 0.38) × 106M☉; (4.1 ± 0.6) × 106; (4.02 ± 0.16) × 106 M☉
Distance: 7,940 ± 420; 7,860±140±40 pc
Right ascension: 17h 45m 40.0409s
Declination: −29° 0′ 28.118″
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