News Release Archive:

News Release 295 of 1051

May 25, 2010 02:30 PM (EDT)

News Release Number: STScI-2010-18

Supermassive Black Holes May Frequently Roam Galaxy Centers

Technical facts about this news release:

About the Object
Object Name: Messier 87 (M87), NGC 4486
Object Description: Giant Eliptical Galaxy
Position (J2000): R.A. 12h 30m 49s
Dec. +12° 23' 28"
Constellation: Virgo
Distance: About 50 million light-years (16 megaparsecs)
About the WFPC2 Image
Data Description: The data used in the large (WFPC2) image of the M87 galaxy are from HST proposal 6775: J. Biretta, W. Sparks, F.D. Macchetto (STScI), and E. Perlman (Florida Institute of Technology)
Instrument: WFPC2
Exposure Date(s): February 1998
Filters: F300W (U), F450W (B), F606W (V), and F814W (I)
About the ACS Data
Data Description: The data used for the science results include the following ACS proposals of M87: (PI: J. Biretta) 9829, 10133, 10617, and 10910; (PI: E. Perlman) 9705 ; and (PI: E. Baltz) 10543.
Instrument: ACS/WFC and ACS/HRC
Exposure Date(s): 2002-2006
Filters: F606W (R) and F814W (I)
About the Release
Credit: NASA, ESA, D. Batcheldor and E. Perlman (Florida Institute of Technology), the Hubble Heritage Team (STScI/AURA), and J. Biretta, W. Sparks, and F.D. Macchetto (STScI)
Release Date: May 25, 2010
Science Publication: The "A Displaced Supermassive Black Hole in M87" research paper by D. Batcheldor (FIT), A. Robinson (RIT), D. Axon (School of Mathematical and Physical Sciences, University of Sussex and RIT), E. Perlman (FIT), and D. Merritt (RIT) will be published in an upcoming issue of The Astrophysical Journal Letters.