HD 159868
Stern HD 159868 |
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AladinLite | |||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | Scorpio | ||||||
Right ascension | 17 h 38 m 59.53 s | ||||||
declination | -43 ° 08 ′ 43.9 ″ | ||||||
Apparent brightness | 7.24 likes | ||||||
Typing | |||||||
Known exoplanets | 1 | ||||||
Spectral class | G5 V | ||||||
Astrometry | |||||||
Radial velocity | (−23.1 ± 0.3) km / s | ||||||
parallax | (17.04 ± 0.76) mas | ||||||
distance | (191 ± 8) ly (59 ± 3) pc |
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Visual absolute brightness M vis | +3.40 mag | ||||||
Proper movement | |||||||
Rec. Share: | (−231.62 ± 1.04) mas / a | ||||||
Dec. portion: | (−167.00 ± 0.81) mas / a | ||||||
Physical Properties | |||||||
Dimensions | 1.09 M ☉ | ||||||
Effective temperature | 5395 K | ||||||
Metallicity [Fe / H] | 0 | ||||||
Age | 8.1 x 10 9 a | ||||||
Other names and catalog entries |
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annotation | |||||||
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HD 159868 is a yellow dwarf 171.9 light years from Earth with a right ascension of 17h 38m 60s and a declination of −43 ° 08 '44 ". It has an apparent magnitude of 7.24 mag. In 2007, Simon O 'Toole an extrasolar planet orbiting this star, named HD 159868 b .