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Is My Favorite Object an X-Ray, Gamma-Ray, or EUV Source?     Find out whether an astronomical object is a known X-ray, gamma-ray, or EUV source by entering the object name or astronomical coordinates below and selecting the frequency regime that you are interested in. Object Name or Coordinates: (e.g., Cyg X-1 or 101.295, -16.699 or 6 45 10.8, -16 41 58) Name Resolver: NED only SIMBAD only GRB only GRB, NED, then SIMBAD GRB, SIMBAD, then NED Coordinate System: J2000 B1950 B1900 Galactic Ecliptic Cone Radius: degrees Frequency Regime: Extreme Ultra-Violet (EUV) X-Ray Gamma-Ray      Software developed and maintained by Edward J. Sabol of the HEASARC. Tool suggested by Dr. Steve Drake. HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public

Science Mission Directorate Universe Division Beyond Einstein | Origins FAQ/Comments/Feedback Education Resources Find helper applications like Adobe Acrobat A service of the Astrophysics Science Division at NASA/ GSFC and the High Energy Astrophysics Division of the Smithsonian Astrophysical Observatory (SAO) HEASARC Director: Dr. Alan P. Smale HEASARC Associate Director: Dr. Roger Brissenden Responsible NASA Official: Phil Newman Web Curator: Meredith Gibb Privacy Policy and Important Notices.