• Thumbnail for EXOSAT
    The European X-ray Observatory Satellite (EXOSAT), originally named HELOS, was an X-ray telescope operational from May 1983 until April 1986 and in that...
    9 KB (852 words) - 09:39, 2 April 2025
  • eventually chose HELOS, renamed Exosat, and the IMP-D, renamed ISEE-2, projects. The European X-ray Observatory Satellite (EXOSAT), originally named "HELOS"...
    30 KB (3,934 words) - 12:58, 9 November 2024
  • Thumbnail for European Space Agency
    EnVision (2031) Astronomy and cosmology Cos-B (1975–1982) IUE (1978–1996) EXOSAT (1983–1986) Hipparcos (1989–1993) Hubble Space Telescope (1990–present)...
    118 KB (9,951 words) - 09:02, 11 June 2025
  • Thumbnail for List of space telescopes
    Trajectory Details (Exosat)". NASA. Archived from the original on 2016-03-04. Retrieved 2008-02-27. "NASA – NSSDC – Spacecraft – Details (Exosat)". NASA. Archived...
    123 KB (5,534 words) - 09:13, 11 June 2025
  • Thumbnail for Jeffrey A. Hoffman
    scientist for the medium-energy x-ray experiment on the European Space Agency's EXOSAT satellite and played a leading role in the proposal and design studies for...
    14 KB (1,672 words) - 12:32, 16 August 2024
  • Thumbnail for Proxima Centauri
    Proxima Centauri. Further observations of flare activity were made with the EXOSAT and ROSAT satellites, and the X-ray emissions of smaller, solar-like flares...
    106 KB (9,923 words) - 11:10, 20 May 2025
  • Thumbnail for X-ray telescope
    heavy X-ray space observatory with focusing X-ray optics, and European EXOSAT. The Chandra X-Ray Observatory was launched by NASA in 1999 and is operated...
    26 KB (3,133 words) - 08:45, 13 June 2025
  • Thumbnail for Walter Lewin
    in 1984–85 Lewin made guest observations with the European observatory EXOSAT in collaboration with colleagues from Amsterdam and Garching, Germany. This...
    33 KB (3,345 words) - 03:38, 11 June 2025
  • Thumbnail for Rho Andromedae
    an F-type star. X-ray emissions were detected from this star during the EXOSAT mission. In Chinese, 天廄 (Tiān Jiù), meaning Celestial Stable, refers to...
    9 KB (632 words) - 16:42, 24 March 2025
  • Thumbnail for Bremsstrahlung
    telescopes such as Chandra X-ray Observatory, XMM-Newton, ROSAT, ASCA, EXOSAT, Suzaku, RHESSI and future missions like IXO [1] and Astro-H [2]. Bremsstrahlung...
    50 KB (9,441 words) - 10:10, 29 May 2025
  • missions that influenced ESIS at the time were the Hubble Space Telescope, EXOSAT and IUE, while Space Physics was mainly focused on the Cluster mission....
    3 KB (388 words) - 17:56, 21 May 2025
  • Thumbnail for XMM-Newton
    dark matter. In 1982, even before the launch of XMM-Newton's predecessor EXOSAT in 1983, a proposal was generated for a "multi-mirror" X-ray telescope mission...
    56 KB (5,877 words) - 05:12, 9 January 2025
  • Thumbnail for History of X-ray astronomy
    satellites that were active from the 1980s to the early 2000s: the HEAO Program, EXOSAT, Ginga, RXTE, ROSAT, ASCA, as well as BeppoSAX, which detected the first...
    56 KB (7,191 words) - 18:57, 23 May 2025
  • Thumbnail for Giotto (spacecraft)
    in Giotto being assigned solo to an Ariane 1 which was available after EXOSAT was launched by a Thor-Delta. There were plans to have observation equipment...
    23 KB (2,369 words) - 02:42, 7 April 2025
  • Thumbnail for History of the telescope
    which discovered 300 sources. More recent X-ray satellites include: the EXOSAT (1983), ROSAT (1990), Chandra (1999), and Newton (1999). Gamma rays are...
    75 KB (9,307 words) - 04:49, 24 April 2025
  • Union Venera 16 Venus Success Venera 16 orbiter  Europe EXOSAT Earth Success Launch of the EXOSAT X-ray satellite  Japan Tenma Earth Success Launch of the...
    77 KB (864 words) - 04:58, 7 June 2025
  • Thumbnail for Astrophysical X-ray source
    first detected in an Einstein IPC observation and later identified in an Exosat channel multiplier array observation. "The broad-band spectrum of this DA...
    77 KB (8,346 words) - 05:47, 12 June 2025
  • Thumbnail for List of European Space Agency programmes and missions
    NASA-ESA-SERC ultraviolet space observatory mission for general astronomy EXOSAT, launched May 1983, completed – ESA's first X-ray space observatory mission...
    73 KB (5,696 words) - 19:48, 4 June 2025
  • Thumbnail for NRAO 140
    radio-selected blazar (RBL) based on European X-ray Observatory Satellite (EXOSAT) observations. However the object has no presence of either long-term or...
    10 KB (954 words) - 22:49, 27 May 2025
  • Thumbnail for Lobster Eye Imager for Astronomy
    DXS (1993) SOLAR (2008-2020) EPOCh (2008) EPOXI (2010) Explorer 11 (1961) EXOSAT (1983–1986) EUVE (1992–2001) FUSE (1999–2007) Gaia (2013–2025) GALEX (2003–2013)...
    5 KB (544 words) - 03:14, 22 May 2025
  • Thumbnail for ESA Television
    EnVision (2031) Astronomy and cosmology Cos-B (1975–1982) IUE (1978–1996) EXOSAT (1983–1986) Hipparcos (1989–1993) Hubble Space Telescope (1990–present)...
    2 KB (196 words) - 04:05, 4 October 2024
  • Thumbnail for Esrange
    EnVision (2031) Astronomy and cosmology Cos-B (1975–1982) IUE (1978–1996) EXOSAT (1983–1986) Hipparcos (1989–1993) Hubble Space Telescope (1990–present)...
    15 KB (1,241 words) - 18:32, 8 June 2025
  • Peacock, British-Dutch(?) project scientist for the European Space Agency Exosat and XMM-Newton missions JPL · 18727 18728 Grammier 1998 KZ3 Richard ("Rick")...
    78 KB (419 words) - 12:04, 30 October 2024
  • Thumbnail for Hungarian Space Office
    EnVision (2031) Astronomy and cosmology Cos-B (1975–1982) IUE (1978–1996) EXOSAT (1983–1986) Hipparcos (1989–1993) Hubble Space Telescope (1990–present)...
    7 KB (621 words) - 19:35, 6 June 2025
  • DXS (1993) SOLAR (2008-2020) EPOCh (2008) EPOXI (2010) Explorer 11 (1961) EXOSAT (1983–1986) EUVE (1992–2001) FUSE (1999–2007) Gaia (2013–2025) GALEX (2003–2013)...
    11 KB (1,210 words) - 15:23, 23 March 2024
  • Thumbnail for Patrizia A. Caraveo
    astronomy with the analysis of data collected by the Einstein Observatory and EXOSAT. In the following period, her interests widened to include all of multi-wavelength...
    12 KB (1,379 words) - 10:54, 23 December 2022
  • Thumbnail for 3C 382
    flux distribution flattened between the values of 2.20 and 10 μm. In 1985, EXOSAT observations detected another outburst in the galaxy where its medium and...
    11 KB (1,183 words) - 11:50, 6 February 2025
  • Thumbnail for 13 Ceti
    of BU Cet. The star was detected as a source of soft X-ray emission by EXOSAT. It has 18% more mass than the Sun and is estimated to be about four billion...
    13 KB (891 words) - 18:36, 15 January 2025
  • Thumbnail for Michiel van der Klis
    of the X-ray emission) of compact stars while he was working with ESA's EXOSAT satellite to study the strongest X-ray sources near the centre of the Milky...
    8 KB (752 words) - 13:31, 17 June 2023
  • Thumbnail for Vandenberg Space Launch Complex 2
    ever infrared sky survey. 52 26 May 1983 15:18 Delta 3000 Thor-Delta 3914 EXOSAT Success Space telescope aimed at detecting x-ray sources. First launch from...
    48 KB (1,526 words) - 16:05, 29 May 2025