More Info

Related Links:

• Audio podcast interview with Dr. Sara Seager and Dr. David Charbonneau discussing the technical aspects of the discovery.
• JPL audio podcast about the results.
• JPL video about the results.

Journal Articles:

• Richardson Paper (Submitted 11 December 2006 to the Astrophysical Journal Letters, accepted 1 February 2007)
• Grillmair Paper (Submitted 19 January 2007 to the Astrophysical Journal Letters, accepted 12 February 2007)

About the Object	Object Name: HD 209458b Object Type: Transiting Exoplanet Position (J2000): RA: 22 03 10.8 Dec: +18 53 04 Distance: 47 pc (153 light-years) Constellation: Pegasus
About the Data	Image Credit: NASA/ JPL-Caltech/J. Richardson (Goddard Space Flight Center) Instrument: Infrared Spectrograph (IRS) Wavelength: 7.5 to 13.2 microns Exposure Date: July 6 and 13, 2005 Exposure Time: 60.95 sec Release Date: February 21, 2007
Observers	Jeremy Richardson (Goddard Space Flight Center) Drake Deming (Goddard Space Flight Center) Karen Horning (Florida Institute of Technology) Sara Seager (Massachusetts Institute of Technology) Joseph Harrington (University of Central Florida)

About the Object	Object Name: HD 209458b Object Type: Transiting Exoplanet Position (J2000): RA: 22 03 10.8 Dec: +18 53 04 Distance: 47 pc (153 light-years) Constellation: Pegasus
About the Data	Image Credit: NASA/JPL-Caltech/M. Swain (Jet Propulsion Laboratory) Instrument: Infrared Spectrograph (IRS) Wavelength: 8.25 to 13.5 microns Exposure Date: July 6 and 13, 2005 Exposure Time: 60.95 sec Release Date: February 21, 2007
Observers	M.R. Swain (Jet Propulsion Laboratory) J. Bouwman (Max-Planck Institute for Astronomy) R. Akeson (Michelson Science Center, California Institute of Technology) S. Lawler (Michelson Science Center, California Institute of Technology) C. Beichman (Michelson Science Center, California Institute of Technology)   IRS Archival Data From: L. Jeremy Richardson (Goddard Space Flight Center) Drake Deming (Goddard Space Flight Center) Karen Horning (Florida Institute of Technology) Sara Seager (Massachusetts Institute of Technology) Joseph Harrington (University of Central Florida)

About the Object	Object Name: HD 189733b Object Type: Transiting Exoplanet Position (J2000): RA: 20 00 43 Dec: +22 42 39 Distance: 63 light-years Constellation: Vulpecula
About the Data	Image Credit: NASA/JPL-Caltech/C. Grillmair (SSC/Caltech) Instrument: Infrared Spectrograph (IRS) Wavelength: 7.5-14.7 microns Exposure Date: October 21 and November 21, 2006 Exposure Time: 14 seconds Release Date: February 21, 2007
Observers	C. J. Grillmair (Spitzer Science Center-Caltech) D. Charbonneau (Harvard Smithsonian Center for Astrophysics) A. Burrows (University of Arizona) L. Armus (Spitzer Science Center-Caltech) J. Stauffer (Spitzer Science Center-Caltech) V. Meadows (Spitzer Science Center-Caltech) J. Van Cleve (Ball Aerospace & Technologies) D. Levine (Spitzer Science Center-Caltech)

The Spitzer Space Telescope is a NASA mission managed by the Jet Propulsion Laboratory. This website is maintained by the Spitzer Science Center, located on the campus of the California Institute of Technology and part of NASA's Infrared Processing and Analysis Center.