• 51 Pegasi (abbreviated 51 Peg), formally named Helvetios /hɛlˈviːʃiəs/, is a Sun-like star located 50.6 light-years (15.5 parsecs) from Earth in the constellation...
    22 KB (1,814 words) - 05:52, 7 October 2024
  • Thumbnail for 51 Pegasi b
    51 Pegasi b, officially named Dimidium /dɪˈmɪdiəm/, is an extrasolar planet approximately 50 light-years (15 parsecs) away in the constellation of Pegasus...
    16 KB (1,611 words) - 12:05, 17 October 2024
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    Square of Pegasus. Twelve star systems have been found to have exoplanets. 51 Pegasi was the first Sun-like star discovered to have an exoplanet companion...
    37 KB (3,919 words) - 13:42, 29 October 2024
  • Thumbnail for G-type main-sequence star
    examples of G-type main-sequence stars include Alpha Centauri, Tau Ceti, and 51 Pegasi. The term yellow dwarf is a misnomer, because G-type stars actually range...
    12 KB (1,178 words) - 08:02, 17 September 2024
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    The planet orbits at about 1.75 times closer to the star than 51 Pegasi b is to 51 Pegasi, taking only 1.8 days or 43 hours to orbit the star. It is also...
    3 KB (226 words) - 10:53, 24 October 2024
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    best-known hot Jupiters is 51 Pegasi b. Discovered in 1995, it was the first extrasolar planet found orbiting a Sun-like star. 51 Pegasi b has an orbital period...
    43 KB (5,040 words) - 02:54, 16 September 2024
  • Thumbnail for Michel Mayor
    Didier Queloz in 1995, he discovered 51 Pegasi b, the first extrasolar planet orbiting a sun-like star, 51 Pegasi. For this achievement, they were awarded...
    25 KB (2,184 words) - 13:02, 26 October 2024
  • 0″ 2.38 −4.19 672 K2Ibvar Enif, Enf, Enir, Al Anf, Fom, Fum al Faras, Os Pegasi β Peg β 53 217906 113881 23h 03m 46.33s +28° 04′ 56.8″ 2.44 −1.49 199 M2II-IIIvar...
    32 KB (162 words) - 17:59, 2 August 2024
  • opportunity, and human rights. It also funds a science fellowship known as the 51 Pegasi b Fellowship, and the American Mosaic Journalism Prize. It does not accept...
    15 KB (1,383 words) - 15:59, 24 September 2024
  • Thumbnail for Didier Queloz
    Michel Mayor in 1995, he discovered 51 Pegasi b, the first extrasolar planet orbiting a Sun-like star, 51 Pegasi. For this discovery, he shared the 2019...
    21 KB (2,341 words) - 10:11, 21 August 2024
  • Thumbnail for Terrestrial planet
    masses of 0.02, 4.3, and 3.9 times that of Earth, by pulsar timing. When 51 Pegasi b, the first planet found around a star still undergoing fusion, was discovered...
    36 KB (3,423 words) - 20:15, 24 October 2024
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    hot Jupiters—giant planets that orbit close to their parent stars, like 51 Pegasi b—and extremely eccentric orbits, such as HD 20782 b. The discovery of...
    197 KB (20,760 words) - 20:14, 24 October 2024
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    identified 51 Pegasi b, a "Hot Jupiter" in the constellation Pegasus. Although planets had previously been detected orbiting pulsars, 51 Pegasi b was the...
    23 KB (2,325 words) - 13:21, 1 October 2024
  • until 2002; while the PSR B1257+12 planets orbit a pulsar. This leaves 51 Pegasi b (discovered and confirmed 1995) as the first confirmed exoplanet around...
    51 KB (2,870 words) - 02:16, 4 November 2024
  • 85 Pegasi is a multiple star system 39.5 light years away in the constellation of Pegasus. The primary component is sixth magnitude 85 Pegasi A, which...
    8 KB (401 words) - 07:03, 27 March 2022
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    extended atmosphere that does transit the star. In 1997, the discovery of a 51 Pegasi-like planet orbiting 55 Cancri A was announced, together with the planet...
    48 KB (4,607 words) - 20:14, 30 August 2024
  • explained in terms of slow changes in the pulsar's dispersion measure". 51 Pegasi Gamma Cephei Ab List of exoplanets discovered before 2000 - Draugr, Poltergeist...
    19 KB (1,779 words) - 00:44, 28 September 2024
  • Bibcode:1984SAAOC...8...59C Poppenhäger, K.; et al. (December 2009), "51 Pegasi – a planet-bearing Maunder minimum candidate", Astronomy and Astrophysics...
    31 KB (1,569 words) - 16:17, 21 August 2024
  • Thumbnail for Discoveries of exoplanets
    when a giant planet was found in a four-day orbit around the nearby star 51 Pegasi. Some exoplanets have been imaged directly by telescopes, but the vast...
    83 KB (8,227 words) - 13:32, 28 September 2024
  • which lasted 70 years, for example some Maunder minimum candidates are 51 Pegasi, HD 4915 and HD 166620. Another activity cycle is the so-called flip-flop...
    8 KB (918 words) - 11:02, 25 October 2024
  • Thumbnail for 70 Virginis b
    Habitable Zone despite the presence of the nearby eccentric giant planet. 51 Pegasi b Tau Boötis b 55 Cancri b 47 Ursae Majoris b Upsilon Andromedae b List...
    7 KB (500 words) - 01:07, 18 September 2024
  • Latin genitive of the constellation the star lies in. Examples include 51 Pegasi and 61 Cygni. About 2,500 stars are catalogued. They are commonly used...
    50 KB (6,481 words) - 20:16, 24 October 2024
  • Thumbnail for Exoplanet
    when a giant planet was found in a four-day orbit around the nearby star 51 Pegasi. Some exoplanets have been imaged directly by telescopes, but the vast...
    148 KB (15,970 words) - 14:48, 26 October 2024
  • (mollusc), a genus of Paleozoic mollusc in the family Bellerophontidae 51 Pegasi b, nicknamed Bellerophon, the first exosolar planet discovered around...
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  • Thumbnail for PSR B1620−26 b
    "Zarmina's Planet"; and HD 209458 b, occasionally referred to as "Osiris." 51 Pegasi b PSR 1257+12 Pulsar planet List of exoplanets discovered before 2000...
    14 KB (1,704 words) - 11:49, 8 October 2024
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    (2015). "Evidence for a spectroscopic direct detection of reflected light from 51 Peg b". Astronomy & Astrophysics. 576 (2015): A134. arXiv:1504.05962. Bibcode:2015A&A...
    12 KB (1,261 words) - 10:30, 28 October 2024
  • Thumbnail for Upsilon Andromedae b
    1997, together with 55 Cancri b and the planet orbiting Tau Boötis. Like 51 Pegasi b, the first extrasolar planet discovered around a normal star, Upsilon...
    17 KB (1,550 words) - 17:02, 21 August 2024
  • Thumbnail for Planetary system
    made in 1995, when a giant planet, 51 Pegasi b, was found in a four-day orbit around the nearby G-type star 51 Pegasi. The frequency of detections has increased...
    48 KB (5,536 words) - 16:08, 9 October 2024
  • Thumbnail for HD 209458 b
    HD 209458 b (redirect from V376 Pegasi b)
    magnetospheric radio emissions were detected from the planet either. 51 Pegasi b YZ Ceti another extra solar planet with evidence of magnetic fields...
    44 KB (4,495 words) - 20:19, 30 August 2024
  • Thumbnail for Methods of detecting exoplanets
    international team of astronomers. The astronomers studied light from 51 Pegasi b – the first exoplanet discovered orbiting a main-sequence star (a Sunlike...
    135 KB (15,361 words) - 12:22, 17 October 2024