HD 23079b and HD 23079 b: Difference between pages
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| names = HIP 17096 b, SAO 233208 b |
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'''HD |
'''HD 23079 b''' is an [[exoplanet]] approximately 114 [[light year]]s away in the [[constellation]] [[Reticulum (constellation) |Reticulum]]. The planet has [[mass]] of 2.45 Jupiters, classifying as massive [[Planetary mass type#Type II – Jovian|jovian]]; although only the [[minimum mass]] is known since [[inclination]] is unknown. The planet takes almost exactly two years to orbit the star at the average distance of 1.6 [[Astronomical Unit|AU]]. The planets [[orbital eccentricity]] is about the same as [[109 Piscium b]], [[HD 75898b]], and [[HD 69830b]] at 0.102. The distance range from as close as 1.44 AU to as far away as 1.76 AU from the parent star. The apparent [[angular separation]] between a planet and a star as visible from [[Earth]] is 47 [[milliarcsecond]]s. The speed of [[stellar wobble]] caused by a planet <nowiki>[</nowiki>[[semi-amplitude]]<nowiki>]</nowiki> is 54.9 m/s. |
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Since if planet is massive, it would likely be a [[gas giant]] comparable to [[Jupiter]], [[Saturn]], [[Uranus]], and [[Neptune]] in the [[solar system]]. In [[Sudarsky classification system|Sudarsky classification scheme]], the planet is probably a water jovian with clouds made mainly from [[water]], as the planet orbits at 1.60 AU from the Sun-like star. |
Since if planet is massive, it would likely be a [[gas giant]] comparable to [[Jupiter]], [[Saturn]], [[Uranus]], and [[Neptune]] in the [[solar system]]. In [[Sudarsky classification system|Sudarsky classification scheme]], the planet is probably a water jovian with clouds made mainly from [[water]], as the planet orbits at 1.60 AU from the Sun-like star. |
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Revision as of 19:10, 12 July 2008
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HD 23079 b is an exoplanet approximately 114 light years away in the constellation Reticulum. The planet has mass of 2.45 Jupiters, classifying as massive jovian; although only the minimum mass is known since inclination is unknown. The planet takes almost exactly two years to orbit the star at the average distance of 1.6 AU. The planets orbital eccentricity is about the same as 109 Piscium b, HD 75898b, and HD 69830b at 0.102. The distance range from as close as 1.44 AU to as far away as 1.76 AU from the parent star. The apparent angular separation between a planet and a star as visible from Earth is 47 milliarcseconds. The speed of stellar wobble caused by a planet [semi-amplitude] is 54.9 m/s.
Since if planet is massive, it would likely be a gas giant comparable to Jupiter, Saturn, Uranus, and Neptune in the solar system. In Sudarsky classification scheme, the planet is probably a water jovian with clouds made mainly from water, as the planet orbits at 1.60 AU from the Sun-like star.
The planet was discovered in 2001 by Tinney et al., who used doppler spectrometer to look for shifts of star’s spectrum caused by a gravity of the planet tug the star around as the planet orbits.
References
- Tinney; et al. (2002). "Two Extrasolar Planets from the Anglo-Australian Planet Search". The Astrophysical Journal. 571 (1): 528–531. doi:10.1086/339916. Retrieved 2007-12-23.
{{cite journal}}: Explicit use of et al. in:|author=(help) - Dvorak, R.; Pilat-Lohinger, E.; Schwarz, R.; Freistetter, F. (2004). "Extrasolar Trojan planets close to habitable zones". Astronomy &Astrophysics. 426: L37. doi:10.1051/0004-6361:200400075. Retrieved 2007-09-22.
{{cite journal}}: CS1 maint: multiple names: authors list (link)
External links
- "Notes for planet HD 23079 b". The Extrasolar Planets Encyclopaedia.
- "HD 23079 B – Water Cloud Jovian". Extrasolar Visions.
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