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News Release Archive:

News Release 305 of 967

December 17, 2007 01:00 PM (EST)

News Release Number: STScI-2007-37

"Death Star" Galaxy Black Hole Fires at Neighboring Galaxy

Technical facts about this news release:

About the Object
Object Name: 3C 321
Object Description: Active Galaxy
Position (J2000): R.A. 15h 31m 42s.7
Dec. +24° 04' 25".0
Constellation: Serpens Caput
Distance: Approximately 1.25 billion light-years (380 million parsecs) away.
About the Data
Science Team: The science team comprises: D. Evans, W.-F. Fong, J. Lee, and R. Kraft (Harvard-Smithsonian Center for Astrophysics), M. Hardcastle and J. Croston (University of Hertfordshire, U.K.), D. Worrall and M. Birkinshaw (University of Bristol, U.K.), and T. Muxlow (MERLIN/VLBI National Facility, Jodrell Bank Observatory, University of Manchester, U.K.).
Data Description:
Wavelength Instrument Frequencies/Energies Exp. Dates Exp. Time
Radio VLA 1.5 and 5 GHz April-Dec 1986 various
Radio MERLIN 1408 and 1658 MHz 2005 June 20 14 hours
Infrared Spitzer IRAC 3.6-8 microns 2005 March 27 1,072s
Optical HST WFPC2 F702W 1995 April 30 280s
Optical HST WFPC2 FR533NR [O III] 1995 August 12 600s
Ultraviolet HST STIS NUV-MAMA 2000 June 05 1,440s
X-Ray Chandra ACIS 0.3-8KeV 2002 April 30 46,932s
About the Image
Image Credit: NASA, ESA, and D. Evans (Harvard-Smithsonian Center for Astrophysics)
Release Date: December 17, 2007
Color: This image is a composite of many separate exposures made by several of the instruments listed above. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are:
X-ray purple
UV red
Optical golden orange
Radio blue