News Release Archive:

News Release 79 of 325

September 29, 2011 09:00 AM (EDT)

News Release Number: STScI-2011-28

Space Telescopes Reveal Secrets of Turbulent Black Hole

Technical facts about this news release:

About the Object
Object Name: Markarian 509, Mrk 509
Object Description: Seyfert Galaxy
Position (J2000): R.A. 20h 44m 09s.74
Dec. -10° 43' 24".53
Constellation: Aquarius
Distance: About 460 million light-years or 140 million parsecs
About the WFPC2 Image
Data Description: This image was created from HST data from proposal 10833: B. Peterson (Ohio State University), M. Bentz (Georgia State University), R. Pogge (Ohio State University), and M. Vestergaard (University of Copenhagen, Niels Bohr Institute).
Instrument: WFPC2
Exposure Date(s): April 1, 2007
Exposure Time: 24 minutes
Filters: F547M (Strömgren y)
Colors: This image was originally black and white and recorded only overall brightness. These brightness values were translated into a range of bluish hues. Such color "maps" can be useful in helping to distinguish subtly varying brightness in an image.
About the COS Data
Data Description: The COS observations were from the HST proposal 12022: J. Kaastra (SRON Netherlands Institute for Space Research) et al. The science paper lead is G. Kriss (STScI).
Instrument: COS
Exposure Date(s): December 10-11, 2009
Exposure Time: 7.2 hours
Grisms: G130M, G185M
About the Release
Release Credit: NASA, ESA, G. Kriss (STScI), and J. Kaastra (SRON Netherlands Institute for Space Research)
Release Date: September 29, 2011