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11 September, 18:05

Use the orbital velocity law mr=rÃv2g to calculate the mass of the central black hole. give your answer in kilograms.

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  1. 11 September, 20:05
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    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″‎

    I love black holes
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