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...

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...

(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...

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)...

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....

program High Energy Astronomy Observatory 1 (HEAO 1), launched August 1977, completed Einstein Observatory (HEAO 2) launched November 1978, completed – first...

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...

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...

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...

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...

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...

Magnetic Spectrometer Cassini–Huygens Fermi Gamma-ray Space Telescope HEAO 1, HEAO 2, HEAO 3 Interstellar Boundary Explorer Langton Ultimate Cosmic-Ray Intensity...

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...

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...

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...

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...

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...

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...

Science". Solar System Exploration: NASA Science. Retrieved 2018-10-14. "Ranger 1". www.jpl.nasa.gov. Retrieved 2018-10-14. This article incorporates public...

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...

Energy Astronomy Observatory (HEAO 1) Einstein Observatory (HEAO 2) 3rd High Energy Astronomy Observatory (HEAO 3) HEAO Program Note that the correct...

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...

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...

were observed, including the Galactic Center, the Magellanic Clouds, Sco X-1, Cas A, Cygnus Loop, and a few extragalactic sources. The observations were...

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...

(Advanced Composition Explorer) Voyager 1 and Voyager 2 Cassini-Huygens HEAO 1, Einstein Observatory (HEAO2), HEAO 3 ISS-CREAM Balloon-borne BESS (Balloon-borne...

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...

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...

(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...

rates, to isolate the very rare events being sought. Nuclear electronics HEAO 1 HEAO 3 INTEGRAL Uhuru (satellite) Gamma-ray spectroscopy Laurence E. Peterson...