WASP-12
Star WASP-12 |
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WASP-12 and WASP-12 b | |||||||
AladinLite | |||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | Carter | ||||||
Right ascension | 06 h 30 m 32.79 s | ||||||
declination | + 29 ° 40 ′ 20.3 ″ | ||||||
Apparent brightness | (11.57) mag | ||||||
Typing | |||||||
Known exoplanets | 1 | ||||||
B − V color index | (0.57) | ||||||
Spectral class | G0 V | ||||||
Astrometry | |||||||
parallax | (2.58 ± 0.27) mas | ||||||
distance | (1,260) ly (390) pc |
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Proper movement | |||||||
Rec. Share: | (0.43) mas / a | ||||||
Dec. portion: | (−8.28) mas / a | ||||||
Physical Properties | |||||||
Dimensions | (1.35 ± 0.14) M ☉ | ||||||
radius | (1.599 ± 0.071) R ☉ | ||||||
Effective temperature | (6300 ± 150) K. | ||||||
Metallicity [Fe / H] | (0.3 ± 0.1) | ||||||
Age | (1.7 ± 0.8) bill. A | ||||||
Other names and catalog entries |
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WASP-12 is a star of the spectral class G0 in the constellation Fuhrmann . It is orbited by an exoplanet called WASP-12 b .
The star may also have stellar companions, making the system a double or multiple star system .
Exoplanet
WASP-12 b is an exoplanet with a mass of about 1.4 Jupiter and is counted among the Hot Jupiters . It orbits the central star with a period of 1.1 days at a distance of about 0.0207 astronomical units with an eccentricity of about 0.05. WASP-12 b was discovered during the SuperWASP project using the transit method. His discovery was published in 2008.
Web links
Commons : WASP-12b - collection of images, videos and audio files
Individual evidence
- ↑ a b c d e f Simbad
- ↑ a b c d e Exoplanet.eu
- ^ C. Bergfors et al .: Stellar companions to exoplanet host stars: Lucky Imaging of transiting planet hosts . In: MNRAS . 428, No. 1, 2013, pp. 182-189. arxiv : 1209.4087 . doi : 10.1093 / mnras / sts019 .
- ↑ Eric. B. Bechter et al .: WASP-12b And HAT-P-8b Are Members Of Triple Star Systems . In: The Astrophysical Journal . 788, No. 1, 2014. arxiv : 1307.6857 . doi : 10.1088 / 0004-637X / 788/1/2 .