(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...

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...

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...

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...

History: HEAO-3 launches – Sept. 20, 1979". NASA History Division. NASA. September 18, 2019. Retrieved 10 December 2023. HEAO-C, known as HEAO-3 after...

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...

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

Henry, J. P.; Jones, C.; Kellogg, E.; Koch, D. (June 1979). "The Einstein /HEAO 2/ X-ray Observatory". The Astrophysical Journal. 230: 540. Bibcode:1979ApJ...

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...

288..751S, doi:10.1086/162843 Giacconi, R.; et al. (1979), "The Einstein /HEAO 2/ X-ray Observatory", Astrophysical Journal, 230: 540–550, Bibcode:1979ApJ...

performed in Earth's shadow to eliminate the effects of the Sun, starting 2 minutes after the satellite entering the shadow and ending 10 minutes before...

meantime, in 1978, NASA launched the first imaging X-ray telescope, Einstein (HEAO-2), into orbit. Work continued on the AXAF project throughout the 1980s and...

Carinae, for example 4U 1037–60 in the 4th Uhuru catalogue and 1044–59 in the HEAO-2 catalog. The earliest detection of X-rays in the Eta Carinae region was...

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

NASA launched the first imaging X-ray telescope, Einstein Observatory (HEAO-2), into orbit. Work continued on the Chandra project through the 1980s and...

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

out measurements of known variable X-ray sources. Einstein Probe carries 2 scientific instruments: the Wide-field X-ray Telescope (WXT), and the Follow-up...

or documents of the National Aeronautics and Space Administration. "Ranger 2". www.jpl.nasa.gov. Retrieved 2018-10-14. This article incorporates public...

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...

dedicated X-ray astronomy satellites, such as Uhuru, Ariel 5, SAS-3, OSO-8 and HEAO-1, developed this field of science at an astounding pace. Scientists hypothesized...

1 2 3 4 5 6 7 '62 '63 '64 '65 '66 '67 '68 '69 '70 '71 '72 '73 '74 '75 '76 '77 '78 '79 '80 '81 '82 '83   Success   Failure   Partial failure 1 2 3 4...

observations of the global 21 cm signal" (Free PDF download). Physical Review D. 82 (2): 023006. arXiv:1005.4057. Bibcode:2010PhRvD..82b3006P. doi:10.1103/PhysRevD...

1111/j.1365-2966.2010.17048.x. S2CID 119250204. "IAUC 3309: SN IN IC 5201; HEAO 2; H 2155-304". Central Bureau for Astronomical Telegrams. International Astronomical...

four cryogenic germanium gamma-ray detectors. The HSRGS was launched aboard HEAO-3 in September 1979 and operated until the cryogenic fluid was exhausted...

2.5 5 7.5 10 12.5 15 1970 '71 '72 '73 '74 '75 '76 '77 '78 '79   Atlas-Agena   Atlas SLV   Atlas E/F 2.5 5 7.5 10 12.5 15 1970 '71 '72 '73 '74 '75 '76...

gamma emission from the Galactic Center. The observation was made by the HEAO-3 satellite in 1984. 26Al is mainly produced in supernovae ejecting many...

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...

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...

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...

Virgo X-1 was the radio galaxy M87. Subsequent X-ray observations by the HEAO 1 and Einstein Observatory showed a complex source that included the active...