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July 15, 2010 09:00 AM (EDT)

News Release Number: STScI-2010-21

Superhot Planet Likely Possesses Comet-like Tail

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Technical facts about this news release:

About the Object
Object Name: HD 209458, HD 209458b
Object Description: Star with Planet
Position (J2000): R.A. 22h 03m 10s.78
Dec. +18° 53' 03".7
Constellation: Pegasus
Distance: About 153 light-years (47 parsecs)
About the Data
Data Description: The data used for the science results include the HST proposal 11534: J. Green, C. Froning, J. Linsky, J. Stocke, and K. France (University of Colorado, Boulder).
Instrument: COS
Exposure Date(s): September and October 2009
Exposure Time: 14.2 hours
Filters: G130M (UV) and G160M (UV)
About the Image
Image Credit: NASA, ESA, and J. Linsky (University of Colorado)
Release Date: July 15, 2010
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