HD 10647
Star HD 10647 |
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AladinLite | |||||||||||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | Eridanus | ||||||||||||||||||
Right ascension | 01 h 42 m 29.32 s | ||||||||||||||||||
declination | -53 ° 44 ′ 27 ″ | ||||||||||||||||||
Apparent brightness | 5.52 mag | ||||||||||||||||||
Typing | |||||||||||||||||||
Known exoplanets | 1 | ||||||||||||||||||
B − V color index | +0.53 | ||||||||||||||||||
U − B color index | +0.00 | ||||||||||||||||||
Spectral class | F8 V | ||||||||||||||||||
Astrometry | |||||||||||||||||||
parallax | (57.36 ± 0.25) mas | ||||||||||||||||||
distance | (56.86 ± 0.25) ly (17.43 ± 0.08) pc |
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Visual absolute brightness M vis | +4.3 mag | ||||||||||||||||||
Proper movement | |||||||||||||||||||
Rec. Share: | (+166.32 ± 0.24) mas / a | ||||||||||||||||||
Dec. portion: | (−106.52 ± 0.27) mas / a | ||||||||||||||||||
Physical Properties | |||||||||||||||||||
Other names and catalog entries |
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HD 10647 , also known as q 1 Eridani , is a main sequence star of spectral class F8 in the constellation Eridanus about 57 light years away . The star has a mass of about 1.1 solar masses and is orbited by the exoplanet HD 10647 b with a period of about 1000 days .
Planetary companion
The orbit of HD 10647 b has a major semi-axis of approx. 2.0 astronomical units . The exoplanet has a minimum mass of about 0.93 Jupiter masses; one can therefore assume that it is a gas planet . It was developed by Michel Mayor et al. Discovered in 2003 using the radial velocity method.
Web links
- The star at exoplanet.eu (English)
- der Planet at Planet.ch ( Memento from October 15, 2012 in the Internet Archive )
Individual evidence
- ↑ a b c Hipparcos catalog (ESA 1997)
- ↑ a b Bright Star Catalog
- ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)
- ↑ calculated from apparent brightness and distance