HD 108147
Star HD 108147 |
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AladinLite | |||||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | southern Cross | ||||||||||||
Right ascension | 12 h 25 m 46.27 s | ||||||||||||
declination | -64 ° 01 ′ 19.5 ″ | ||||||||||||
Apparent brightness | 6.99 likes | ||||||||||||
Typing | |||||||||||||
Known exoplanets | 1 | ||||||||||||
B − V color index | (0.54) | ||||||||||||
Spectral class | F8 / G0 V | ||||||||||||
Astrometry | |||||||||||||
Radial velocity | (−4.94 ± 0.16) km / s | ||||||||||||
parallax | (25.66 ± 0.03) mas | ||||||||||||
distance | (127.05 ± 0.15) Lj (38.96 ± 0.05) pc |
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Visual absolute brightness M vis | +4.09 mag | ||||||||||||
Proper movement | |||||||||||||
Rec. Share: | (−182.52 ± 0.05) mas / a | ||||||||||||
Dec. portion: | (−60.77 ± 0.05) mas / a | ||||||||||||
Physical Properties | |||||||||||||
Dimensions | (1.19) M ☉ | ||||||||||||
radius | (1.22) R ☉ | ||||||||||||
Luminosity |
(1,9) L ☉ |
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Effective temperature | 6067 K | ||||||||||||
Metallicity [Fe / H] | 0.18 | ||||||||||||
Age | 1.98 bill. A | ||||||||||||
Other names and catalog entries |
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HD 108147 is a yellow dwarf in the constellation " Southern Cross ", in the immediate vicinity of the main star Acrux .
It is a bit more massive and brighter and also significantly younger than the sun, but otherwise similar to it. Because of its distance, HD 108147 is too faint to be seen with the naked eye. It has been known since 2000 that it possesses at least one planet , HD 108147 b , which orbits it at a distance of 0.102 astronomical units every 10.9 days .
Individual evidence
- ↑ a b c d e HD 108147. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed December 2, 2018 .
- ↑ a b Hipparcos catalog (ESA 1997)
- ↑ a b c d e HD 108147. In: Extrasolar Planets Encyclopaedia . Retrieved December 2, 2018 .
- ↑ HD 108147. In: NASA Exoplanet Archive . Retrieved December 2, 2018 .