News Release Archive: Entire Collection

News Release 74 of 736

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