News Release Archive:

News Release 16 of 45

September 20, 2005 01:00 PM (EDT)

News Release Number: STScI-2005-26

Hubble Finds Mysterious Disk of Blue Stars Around Black Hole

Technical facts about this news release:

About the Object
Object Name: M31, Andromeda Galaxy, NGC 224
Object Description: Sprial Galaxy
Position (J2000): R.A. 00h 42m 44s.31
Dec. +41° 16' 09".4
Constellation: Andromeda
Distance: About 2.5 million light-years (0.8 Megaparsecs)
Dimensions: The WFPC2 image of M31's nucleus is 11.6 arcminutes (150 light-years or 46.5 parsecs) across.
About the Data
Science Team: The science team includes R. Bender (Univ. of Sternwarte, Munich; Max Planck Inst., Garching; Univ. of Texas at Austin), J. Kormendy (Univ. of Texas at Austin), G. Bower (CSC/STScI), R. Green (NOAO), J. Thomas (Univ. of Sternwarte, Munich; Max Planck Inst., Garching), A.C. Danks (Bowie, MD), T. Gull (NASA/GSFC), J.B. Hutchings (NRC of Canada), C.L. Joseph (Rutgers Univ.), M.E. Kaiser (JHU), T.R. Lauer (NOAO/AURA/NSF), C.H. Nelson (UNLV), D. Richstone (Univ. of Michigan), D. Weistrop (UNLV), and B. Woodgate (NASA/GSFC).
Instrument: WFPC2 STIS
Data Description: The science data are from the HST proposal 5236: J. Westphal (Caltech), T.R. Lauer (NOAO/AURA/NSF), S. M. FABER UCO/Lick Observatory, W. Baum (Univ. of Washington) The science data are from the HST proposal 8018: R. Green (NOAO/KPNO) and G. Bower (NOAO).
Exposure Date(s): June 18-20, 1995 July 23-24, 1999
Exposure Time: 3.7 hours 6.3 hours
Filters: F160BW, F300W (U), F555W (V), F814W (I) G430L, G750M
About the Image
Image Credit: NASA, ESA and T. Lauer (NOAO/AURA/NSF)
Release Date: September 20, 2005
Orientation: The Core of the Andromeda Galaxy (M31)