astro.wikisort.org - MeteoriteHD 106252 b is a large gas giant extrasolar planet about 10 times more massive than Jupiter. It was announced in 2001 by the European Southern Observatory.[1] The discovery was confirmed by a different team using the Lick Telescope.[4]
HD 106252 b|
Discovered by | Geneva Extrasolar Planet Search |
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Discovery site | La Silla Observatory |
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Discovery date | April 4, 2001[1] |
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Detection method | radial velocity |
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Semi-major axis | 2.655 ± 0.017 AU (397,200,000 ± 2,500,000 km) |
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Eccentricity | 0.480 ± 0.010 |
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Orbital period (sidereal) | 4.202+0.011 −0.010 yr |
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Inclination | 46.0+4.9 −4.1 or 134.0+4.1 −4.9 |
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Longitude of ascending node | 105.3+10 −6.1 |
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Time of periastron | JD 246463.0+8.4 −8.6 |
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Argument of periastron | 291.4 ± 1.5° |
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Semi-amplitude | 152 ± 21[3] |
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Star | HD 106252 |
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Mass | 10.00+0.78 −0.73[2] MJ |
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Astrometry of HD 106252 has determined an orbital inclination of either 46° or 134°, depending on whether the solution is prograde or retrograde. This, combined with the minimum mass, gives a true mass of 10.0 MJ, larger than the minimum mass of 7.2 MJ.[2]
References
- "Exoplanets: The Hunt Continues!" (Press release). Garching, Germany: European Southern Observatory. April 4, 2001. Retrieved December 27, 2012.
- Li, Yiting; Brandt, Timothy D.; Brandt, G. Mirek; Dupuy, Trent J.; Michalik, Daniel; Jensen-Clem, Rebecca; Zeng, Yunlin; Faherty, Jacqueline; Mitra, Elena L. (2021). "Precise Masses and Orbits for Nine Radial-velocity Exoplanets". The Astronomical Journal. 162 (6): 266. arXiv:2109.10422. Bibcode:2021AJ....162..266L. doi:10.3847/1538-3881/ac27ab. S2CID 237592581.
- 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.
- Fischer, Debra A.; et al. (2002). "Planetary Companions to HD 136118, HD 50554, and HD 106252". Publications of the Astronomical Society of the Pacific. 114 (795): 529–535. Bibcode:2002PASP..114..529F. doi:10.1086/341677.
External links
На других языках
[de] HD 106252 b
HD 106252 b ist höchstwahrscheinlich ein Brauner Zwerg, das den gelben Zwerg HD 106252 umkreist.[1]
- [en] HD 106252 b
[es] HD 106252 b
HD 106252 b es un planeta extrasolar gigante gaseoso masivo, que posee una masa al menos 7,1 veces la de Júpiter orbitantat 389 Gm o 12,6 pc o 2,60 AU de HD 106252. El periodo orbital es de 516 días o 4,15 años o 49,8 meses.
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