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HD 253


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관련 글

Stellar dynamics in the nuclei of M31 and M32 - Evidence for massive black holes?
New kinematic data based on the calcium IR triplet lines are presentedthat define rotation and velocity disersion profiles for the nuclei ofM31 and M32 with high accuracy. New dynamical models are used todetermine the mass distribution of the centers of these galaxies withmuch greater reliability than in the past. The results demonstrate thatthe nuclei rotate very rapidly and have very large mass-to-light ratios,recalling model A of Ostriker and Tremaine (1982) in the case of M31.The results strongly suggest the presence of massive black holes in thenuclei of both galaxies.

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관측 및 측정 데이터

별자리:물고기자리
적경:00h07m19.44s
적위:+01°39'54.3"
가시등급:8.949
거리:121.507 파섹
적경상의 고유운동:-84.1
적위상의 고유운동:-4.8
B-T magnitude:9.714
V-T magnitude:9.013

천체목록:
일반명
HD 1989HD 253
TYCHO-2 2000TYC 1-1339-1
USNO-A2.0USNO-A2 0900-00029320
HIPHIP 604

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