astro.wikisort.org - Meteorite
HD 93083 b is an extrasolar planet orbiting the K-type subgiant star HD 93083 in Antlia constellation. It is probably much less massive than Jupiter, although only the minimum mass is known. The planet's mean distance from the star is about half that of Earth, and the orbit is slightly eccentric. This planet is another discovery by the HARPS search team.[2]
| Discovery | |
|---|---|
| Discovered by | Lovis et al.[2] |
| Discovery site | La Silla Observatory, Chile |
| Discovery date | 14 February 2005 |
Detection method | Radial Velocity |
| Orbital characteristics | |
| Apastron | 0.544 AU (81,400,000 km) |
| Periastron | 0.410 AU (61,300,000 km) |
Semi-major axis | 0.477 AU (71,400,000 km) |
| Eccentricity | 0.14 ± 0.03 |
Orbital period (sidereal) | 143.58 ± 0.6 d 0.3931 y |
Average orbital speed | 36.3 |
Time of periastron | 2,453,181.7 ± 3.0 |
Argument of periastron | 333.5 ± 7.9 |
| Semi-amplitude | 18.30 ± 0.5 |
| Star | HD 93083 |
| Physical characteristics | |
| Mass | >0.37 MJ (>118 MEarth) |
The planet HD 93083 b is named Melquíades. The name was selected in the NameExoWorlds campaign by Colombia, during the 100th anniversary of the IAU. Melquíades is a fictional character in the novel One Hundred Years of Solitude, who walks around Macondo (name of the host star HD 93083).[3][4]
Stability analysis reveals that the orbits of Earth-sized planets located in HD 93083 b's Trojan points would be stable for long periods of time.[5]
See also
- High Accuracy Radial Velocity Planet Searcher or HARPS
References
- "HD 93083 b". Geneva Observatory. Retrieved 2008-10-03.
- Lovis, C.; et al. (2005). "The HARPS search for southern extra-solar planets III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117". Astronomy and Astrophysics. 437 (3): 1121–1126. arXiv:astro-ph/0503660. Bibcode:2005A&A...437.1121L. doi:10.1051/0004-6361:20052864.
- "Approved names". NameExoworlds. Retrieved 2020-01-02.
- "International Astronomical Union | IAU". www.iau.org. Retrieved 2020-01-02.
- Schwarz; Dvorak, R.; Süli, Á.; Érdi, B. (2007). "Survey of the stability region of hypothetical habitable Trojan planets" (PDF). Astronomy and Astrophysics. 474 (3): 1023–1029. Bibcode:2007A&A...474.1023S. doi:10.1051/0004-6361:20077994.
External links
- "HD 93083". Exoplanets. Archived from the original on 2012-02-19. Retrieved 2008-10-29.
- Corot Simulation
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На других языках
[de] HD 93083 b
HD 93083 b ist ein Exoplanet, der den Hauptreihenstern HD 93083 alle 143,58 Tage umkreist. Auf Grund seiner hohen Masse wird angenommen, dass es sich um einen Gasplaneten handelt.- [en] HD 93083 b
[ru] HD 93083 b
HD 93083 b — экзопланета, представляющая собой газовый гигант, который вращается вокруг красного карлика HD 93083 в созвездии Насоса. Открыта методом доплеровской спектроскопии поисковой группой HARPS в 2005 году.Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
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