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HD 208487 b

From Wikipedia, the free encyclopedia

HD 208487 b / Mintome
Discovery
Discovered byTinney, Butler,
Marcy et al.[1]
Discovery site United States
Discovery dateSeptember 16, 2004
Doppler spectroscopy
Orbital characteristics
0.524 ± 0.030 AU (78,400,000 ± 4,500,000 km)[2]
Eccentricity0.24 ± 0.16[2]
130.08 ± 0.51[2] d
2,450,999 ± 15[2]
113[2]
Semi-amplitude19.7 ± 3.6[2]
StarHD 208487

HD 208487 b is an extrasolar planet located approximately 144 light-years away in the constellation of Grus, orbiting the star HD 208487. This planet has a minimum mass close to half that of Jupiter and is most probably a gas giant. The planet orbits the star in a close, eccentric orbit. One revolution takes 130 days to complete. This planet was discovered on September 16, 2004 by Tinney, Butler, and Marcy et al. using Doppler spectroscopy to measure the star's radial velocity changing over time as the planet revolves around its orbit.[1]

The planet HD 208487 b is named Mintome. The name was selected in the NameExoWorlds campaign by Gabon, during the 100th anniversary of the IAU. Mintome, in the Fang tongue, is a mythical land where a brotherhood of brave men live.[3][4]

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Transcription

References

  1. ^ a b Tinney, C. G.; et al. (2005). "Three Low-Mass Planets from the Anglo-Australian Planet Search". The Astrophysical Journal. 623 (2): 1171–1179. Bibcode:2005ApJ...623.1171T. CiteSeerX 10.1.1.491.2941. doi:10.1086/428661. S2CID 12515735.
  2. ^ a b c d e f Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. S2CID 119067572.
  3. ^ "Approved names". NameExoworlds. Retrieved 2020-01-02.
  4. ^ "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.

External links


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This page was last edited on 21 August 2023, at 17:59
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