 | 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 |
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 |
 | 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... 99 KB (12,086 words) - 01:08, 14 April 2024 |
 | High Energy Astronomy Observatory 1 (redirect from HEAO 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) - 15:23, 7 January 2024 |
 | program High Energy Astronomy Observatory 1 (HEAO 1), launched August 1977, completed Einstein Observatory (HEAO 2) launched November 1978, completed – first... 49 KB (4,040 words) - 16:20, 21 April 2024 |
 | 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... 40 KB (3,263 words) - 19:13, 25 February 2024 |
 | High Energy Astronomy Observatory 3 (redirect from HEAO 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) - 15:07, 7 January 2024 |
 | 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... 41 KB (3,916 words) - 19:19, 22 April 2024 |
 | 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) - 06:59, 18 April 2024 |
 | 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... 37 KB (3,527 words) - 12:37, 9 April 2024 |
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... 71 KB (8,063 words) - 00:10, 15 January 2024 |
 | 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... 123 KB (14,800 words) - 23:53, 16 March 2024 |
 | 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 (10,536 words) - 11:23, 24 April 2024 |
 | NASA launched the first imaging X-ray telescope, Einstein Observatory (HEAO-2), into orbit. Work continued on the Chandra project through the 1980s and... 29 KB (3,472 words) - 00:20, 11 April 2024 |
 | History of X-ray astronomy (section The USA V-2 period) 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... 55 KB (7,174 words) - 02:08, 8 April 2024 |
 | 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... 9 KB (738 words) - 15:18, 13 April 2024 |
High Energy Astronomy Observatory (redirect from HEAO) 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 |
 | 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... 126 KB (5,454 words) - 18:35, 25 April 2024 |
or documents of the National Aeronautics and Space Administration. "Ranger 2". www.jpl.nasa.gov. Retrieved 2018-10-14. This article incorporates public... 68 KB (752 words) - 18:36, 15 April 2024 |
 | 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... 5 KB (544 words) - 06:45, 8 April 2024 |
 | 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... 6 KB (626 words) - 02:29, 29 June 2023 |
 | 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... 22 KB (205 words) - 12:39, 28 December 2022 |
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... 11 KB (1,210 words) - 15:23, 23 March 2024 |
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... 22 KB (169 words) - 04:51, 2 September 2022 |
four cryogenic germanium gamma-ray detectors. The HSRGS was launched aboard HEAO-3 in September 1979 and operated until the cryogenic fluid was exhausted... 14 KB (1,511 words) - 20:04, 4 January 2024 |
approximately 17 months. It (the HEAO A2) produced the first low-background, all-sky maps in the 2-60 keV band, and for its time the HEAO A2 produced the best spectra... 7 KB (950 words) - 13:34, 22 January 2023 |
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... 20 KB (2,357 words) - 18:39, 15 April 2024 |
 | 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... 9 KB (789 words) - 00:17, 3 December 2023 |
 | 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... 90 KB (9,553 words) - 12:15, 22 April 2024 |
 | 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... 34 KB (3,635 words) - 09:04, 20 February 2024 |