*Description*:> Dr. Gilliland comments on the future of observing this planet with HST. Technical facts about this news release: About this Object Object Name: HD 209458 Object Description: Host Star to Transiting Planet HD 209458b Position (J2000): R.A. 22h 03m 10.8s Dec. +18° 53' 04.0'' Constellation: Pegasus Distance from Earth: 46 parsecs (150 light-years) _________________________________________ Object Name: HD 209458b Object Description: Extrasolar Planet Transiting HD 209458 Jupiter-like Planet with Detected Atmosphere Orbital Period: 3.5 days Distance Above Star's Surface: 4 million miles (6.4 million kilometers) Estimated Mass: 0.7 times Jupiter's mass 220 times the Earth's mass Maximum Temperature: 2,000 degrees Fahrenheit (1100 degrees Celsius) About the Data Instrument: STIS Spectral Wavelengths: G750M (581.3 to 638.2 nm) Exposure Dates: Apr 25 2000; Apr 28 2000; May 5 2000; May 12 2000 Exposure Time: 7 hours Principal Astronomers: D. Charbonneau (CalTech and Harvard-Smithsonian CfA), T. Brown (High Altitude Observatory /NCAR), R. Noyes (Harvard-Smithsonian CfA), and R. Gilliland (Space Telescope Science Institute) About this Release Release Date: November 27, 2001 What is a Space Science Update? Major Hubble discoveries on NASA television ... Astronomers explain their Hubble discoveries at a press conference, called a Space Science Update (SSU), broadcast on NASA television. The SSU includes a question and answer session with members of the media. Back to top [ #top ] *News Release Number:*: STScI-2001-38f
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