Stellar Orbits Near Sagittarius A*

Details Stellar Orbits Near Sagittarius A* Stellar Orbits Near Sagittarius A*

2002-01-03

arxiv.org/abs/astro-ph/0201031v1

Mon.Not.Roy.Astron.Soc. 331 (2002) 917

Astronomy and Astrophysics

Astrophysics

32 pages, 15 figures, accepted by MNRAS

Scientific paper

10.1046/j.1365-8711.2002.05237.x

We present new SHARP/NTT stellar proper motion and accelaration data covering an interval from 1992 to 2000: 1) We combine the high precision but shorter time scale NIRC/Keck data with the lower precision but longer time scale SHARP/NTT data set; 2) We statistically correct the observed accelerations for geometrical projection effects; 3) We exclude star S8 from the analysis of the amount and position of the central mass. We show that the stars S2, and most likely S1 and S8 as well, are on bound, fairly inclined ($60^o

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