• Thumbnail for High Energy Astronomy Observatory 1
    HEAO-1 was an X-ray telescope launched in 1977. HEAO-1 surveyed the sky in the X-ray portion of the electromagnetic spectrum (0.2 keV – 10 MeV), providing...
    10 KB (1,211 words) - 10:24, 6 September 2024
  • investigations. After launch, they were denoted HEAO 1, HEAO 2 (also known as The Einstein Observatory), and HEAO 3, respectively. The large (~3000 kg) satellites...
    5 KB (649 words) - 22:09, 24 January 2024
  • Thumbnail for Einstein Observatory
    Einstein Observatory (redirect from HEAO-2)
    (HEAO-2) was the first fully imaging X-ray telescope put into space and the second of NASA's three High Energy Astrophysical Observatories. Named HEAO...
    13 KB (1,167 words) - 08:56, 9 January 2024
  • Thumbnail for List of uncrewed NASA missions
    January 19, 2019. "The HEAO-1 Satellite". HEASARC. NASA. Archived from the original on April 20, 2017. Retrieved February 16, 2018. "HEAO-1". HEASARC. NASA....
    95 KB (8,967 words) - 19:15, 3 August 2024
  • Thumbnail for List of NASA missions
    program High Energy Astronomy Observatory 1 (HEAO 1), launched August 1977, completed Einstein Observatory (HEAO 2) launched November 1978, completed – first...
    48 KB (3,943 words) - 19:58, 21 July 2024
  • Thumbnail for Space Park
    similar to HEAO-1. ... Designed and developed by TRW Inc., the HEAO-3 project was managed by NASA's Marshall Space Flight Center. Molgaard, D. (April 1, 1986)...
    114 KB (14,028 words) - 17:07, 6 September 2024
  • Thumbnail for List of space telescopes
    Trajectory Details (HEAO 3)". NASA. Archived from the original on 2017-02-08. Retrieved 2008-02-27. "NASA – NSSDC – Spacecraft – Details (HEAO 3)". NASA. Archived...
    129 KB (5,580 words) - 14:52, 22 August 2024
  • Thumbnail for Walter Lewin
    Lewin was co-principal investigator on High Energy Astronomy Observatory 1 HEAO-1 (A4), which has yielded the first all sky catalog at high-energy X rays...
    32 KB (3,250 words) - 20:02, 5 September 2024
  • Thumbnail for Cygnus Loop
    2050+310, and 1M 2051+309, having been observed by the Einstein Observatory, HEAO 1, and OSO 7, respectively. The Cygnus Loop is a strong source of soft X-rays...
    20 KB (2,231 words) - 14:04, 6 September 2024
  • instrument. TRW designed and built the following space observatories: HEAO 1, 2, and 3, with HEAO 2 being the Einstein Observatory, the first fully imaging X-ray...
    57 KB (5,786 words) - 00:56, 30 August 2024
  • Thumbnail for Messier 87
    further evidence that the source of Virgo X-1 was the radio galaxy M87. Subsequent X-ray observations by the HEAO 1 and Einstein Observatory showed a complex...
    90 KB (9,560 words) - 11:06, 18 July 2024
  • Thumbnail for History of X-ray astronomy
    later named Scorpius X-1. In the 1970s, dedicated X-ray astronomy satellites, such as Uhuru, Ariel 5, SAS-3, OSO-8 and HEAO-1, developed this field of...
    55 KB (7,174 words) - 21:14, 13 May 2024
  • Thumbnail for Cosmic ray
    Magnetic Spectrometer Cassini–Huygens Fermi Gamma-ray Space Telescope HEAO 1, HEAO 2, HEAO 3 Interstellar Boundary Explorer Langton Ultimate Cosmic-Ray Intensity...
    96 KB (10,540 words) - 02:22, 3 September 2024
  • Thumbnail for Gamma-ray spectrometer
    Imaging Spectrometer, the Hard X-ray/Low-Energy Gamma-ray experiment (A-4) on HEAO 1, the Burst and Transient Spectrometry Experiment (BATSE) and the OSSI (Oriented...
    14 KB (1,756 words) - 15:55, 5 August 2024
  • Thumbnail for High Energy Astronomy Observatory 3
    The last of NASA's three High Energy Astronomy Observatories, HEAO 3 was launched 20 September 1979 on an Atlas-Centaur launch vehicle, into a nearly circular...
    9 KB (1,105 words) - 09:52, 11 June 2024
  • Thumbnail for Cosmic-ray observatory
    (Advanced Composition Explorer) Voyager 1 and Voyager 2 Cassini-Huygens HEAO 1, Einstein Observatory (HEAO2), HEAO 3 ISS-CREAM Balloon-borne BESS (Balloon-borne...
    14 KB (1,474 words) - 04:13, 17 August 2024
  • satellite experiments, including one on the OSO 1, one on OSO 3, two on OSO 7, the A4 experiment on HEAO 1, and co-investigator on the High Energy X-Ray...
    2 KB (286 words) - 05:36, 25 August 2024
  • Thumbnail for Capella
    corona as obtained from the first coronal X-ray spectrum of Capella using HEAO 1 would require magnetic confinement, unless it is a free-flowing coronal...
    70 KB (7,619 words) - 07:50, 21 July 2024
  • Energy Astronomy Observatory (HEAO 1) Einstein Observatory (HEAO 2) 3rd High Energy Astronomy Observatory (HEAO 3) HEAO Program Note that the correct...
    364 bytes (78 words) - 07:02, 28 October 2009
  • Thumbnail for Lobster Eye Imager for Astronomy
    were observed, including the Galactic Center, the Magellanic Clouds, Sco X-1, Cas A, Cygnus Loop, and a few extragalactic sources. The observations were...
    5 KB (544 words) - 06:45, 8 April 2024
  • Science". Solar System Exploration: NASA Science. Retrieved 2018-10-14. "Ranger 1". www.jpl.nasa.gov. Retrieved 2018-10-14. This article incorporates public...
    70 KB (794 words) - 13:52, 20 August 2024
  • Thumbnail for NGC 4151
    Lac object 1E 1207.9 +3945, which is inside their error box - the later HEAO 1 detected an X-ray source of NGC 4151 at 1H 1210+393, coincident with the...
    10 KB (848 words) - 09:48, 17 July 2024
  • Thumbnail for HR 1099
    Owen in 1976. It was shown to be a soft X-ray source in 1978 using the HEAO 1 satellite. This double-lined spectroscopic binary system consists of an...
    28 KB (2,197 words) - 20:44, 16 July 2024
  • rates, to isolate the very rare events being sought. Nuclear electronics HEAO 1 HEAO 3 INTEGRAL Uhuru (satellite) Gamma-ray spectroscopy Laurence E. Peterson...
    7 KB (889 words) - 03:31, 31 July 2024
  • Thumbnail for Marshall Space Flight Center
    flown: HEAO 1 in August 1977, HEAO 2 (also called the Einstein Observatory) in November 1978, and HEAO 3 in September 1979. Fred A. Speer was the HEAO project...
    79 KB (9,711 words) - 03:22, 16 May 2024
  • disc population. Variable X-ray source H0123+075 was identified from the HEAO 1 A-2 experiment and published by F. E. Marshall and associates in 1979. The...
    15 KB (911 words) - 22:13, 22 August 2024
  • Thumbnail for X-ray astronomy
    corona as obtained from the first coronal X-ray spectrum of Capella using HEAO 1 required magnetic confinement unless it was a free-flowing coronal wind...
    65 KB (8,115 words) - 13:32, 13 April 2024
  • Thumbnail for Jeffrey A. Hoffman
    (MIT) from 1975 to 1978 as project scientist in charge of the orbiting HEAO-1 A4 hard x-ray and gamma ray experiment, launched in August 1977. His involvement...
    14 KB (1,672 words) - 12:32, 16 August 2024
  • Thumbnail for Einstein Probe
    Handbook of X-ray and Gamma-ray Astrophysics. pp. 1–30. arXiv:2209.09763. doi:10.1007/978-981-16-4544-0_151-1. ISBN 978-981-16-4544-0. Wikimedia Commons has...
    9 KB (738 words) - 14:15, 1 July 2024
  • Thumbnail for March 1979
    The U.S. x-ray telescope satellite High Energy Astronomy Observatory 1 (HEAO-1), launched on August 12, 1977, fell from orbit and burned up on re-entry...
    75 KB (9,134 words) - 18:02, 30 July 2024