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Location of Star HD 209458 (Annotated)

Location of Star HD 209458 (Annotated)

The parent star of transiting planet HD 209458b is called HD 209458. It is similar to our Sun and lies 150 light-years from Earth. The star is visible with binoculars as a seventh magnitude star in the constellation Pegasus.

This is a a 1.9 x 1.9 degree three-color composite from the Digitized Sky Survey 2. The blue plate (B) is shown in blue, the red plate (R) in green, and the infrared plate (I) in red.

  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    HD 209458
  • Release Date
    March 12, 2003
  • Science Release
    Too Close for Comfort: Hubble Discovers an Evaporating Planet
  • Credit
    ESA, NASA and the Digitized Sky Survey

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Last Updated
Mar 28, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov