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News Release Archive:

News Release 41 of 108

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: