News Release Archive:

News Release 81 of 250

July 22, 2010 09:00 AM (EDT)

News Release Number: STScI-2010-19

Hyperfast Star Was Booted from Milky Way

Technical facts about this news release:

About the Object
Object Name: HE 0437−5439
Object Description: Hypervelocity Star
Position (J2000): R.A. 04h 38m 12s
Dec. -54° 33' 12"
Constellation: Doradus
Distance: The star is ~200,000 light-years from the galactic center.
About the Data
Data Description: The image was created from Hubble data from proposals 10824 and 11782: O. Gnedin (University of Michigan, Ann Arbor), A. Gould, J.L. Prieto, and K. Stanek (Ohio State University), J. Anderson, H. Bond, M. Livio, E. Nelan (STScI), and W. Brown, M. Geller, S. Kenyon, and M. Kurtz (Harvard-Smithsonian Center for Astrophysics).
Instrument: ACS/WFC
Exposure Date(s): July 8, 2006 and December 23, 2009
Exposure Time: 56 minutes
Filters: F850LP (z)
About the Release
Credit: NASA, ESA, O. Gnedin (University of Michigan, Ann Arbor), and W. Brown (Harvard-Smithsonian Center for Astrophysics, Cambridge, Mass.
Release Date: July 22, 2010
Color: 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.
Orientation: Compass/Scale Image of Hypervelocity Star HE 0437-5439