News Release Archive:

News Release 25 of 42

June 16, 2011 09:00 AM (EDT)

News Release Number: STScI-2011-18

Firestorm of Star Birth in the Active Galaxy Centaurus A

Technical facts about this news release:

About the Object
Object Name: Centaurus A, Cen A, NGC 5128
Object Description: Elliptical/Active Galaxy
Position (J2000): R.A. 13h 25m 27s.61
Dec. -43° 01' 08''.80
Constellation: Centaurus
Distance: 11 million light-years (3.4 parsecs)
Dimensions: This image is 2.7 arcminutes (8,500 light-years or 2,600 parsecs) wide.
About the Data
Data Description:

The image was created from Hubble data from proposal 11360: R. O'Connell (University of Virginia), B. Balick (University of Washington), H. Bond (STScI), D. Calzetti (University of Massachusetts), M. Carollo (Swiss Federal Institute of Technology, Zurich), M. Disney (University of Wales, College of Cardiff), M. Dopita (Australian National University), J. Frogel (Ohio State University Research Foundation), D. Hall (University of Hawaii), J. Holtzman (New Mexico State University), P. McCarthy (Carnegie Institution of Washington), F. Paresce (European Southern Observatory, Germany), A. Saha (NOAO/AURA), J. Silk (University of Oxford), A. Walker (NOAO/CTIO), B. Whitmore (STScI), R. Windhorst (Arizona State University), and E. Young (University of Arizona).

The science team comprises S. Kaviraj (Imperial College London and the University of Oxford), R. Crockett (University of Oxford), and J. Silk (University of Oxford).

Instrument: WFC3/UVIS
Exposure Date(s): July 6-17, 2010
Exposure Time: 4.8 hours
Filters: F225W (U), F336W (U), F438W (B), F487N (H-beta), F502N ([O III]), F547M (y), F657N (H-alpha + [N II]), F673N ([S II]), and F814W(I)
About the Release
Credit: NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration
Release Date: June 16, 2011
Color: This image is a composite of separate exposures acquired by the WFC3 instrument on HST. Several filters were used to sample broad and narrow wavelength ranges. The color results from assigning different hues (colors) to each monochromatic (grayscale) image associated with an individual filter. In this case, the assigned colors are:
F225W (U), F336W (U), F438W (B) white
F487N (H-beta) blue
F502N ([O III]) cyan
F547M (y) aqua
F657N (H-alpha + [N II]) red-orange
F673N ([S II]) yellow-green
F814W (I) red