HD 283750
Star HD 283750 |
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AladinLite | |||||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | bull | ||||||||||||
Right ascension | 04 h 36 m 48.24 s | ||||||||||||
declination | + 27 ° 07 ′ 55.9 ″ | ||||||||||||
Apparent brightness | 8.1 likes | ||||||||||||
Typing | |||||||||||||
Spectral class | K2 | ||||||||||||
Variable star type | BY-Draconis mutable | ||||||||||||
Astrometry | |||||||||||||
Radial velocity | (35.2 ± 2.5) km / s | ||||||||||||
parallax | (55.66 ± 1.43) mas | ||||||||||||
distance | (58.6 ± 1.5) ly (18.0 ± 0.5) pc |
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Visual absolute brightness M vis | +6.8 mag | ||||||||||||
Proper movement | |||||||||||||
Rec. Share: | (+233.65 ± 1.63) mas / a | ||||||||||||
Dec. portion: | (−146.61 ± 1.19) mas / a | ||||||||||||
Physical Properties | |||||||||||||
radius | approx. 0.6 R ☉ | ||||||||||||
Effective temperature | 4900 K | ||||||||||||
Other names and catalog entries |
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HD 283750 is a late main sequence star in the constellation Taurus, almost 60 light years away from Earth . With an apparent brightness of 8.1 mag, it can no longer be seen with the naked eye, even under optimal observation conditions. HD 283750 is classified as a BY Draconis variable and has the variable designation V833 Tauri . Together with the white dwarf WD 0433 + 27, it forms a pair of independent movements and is possibly a member of the Hyades or the Hyades Current .
Spectroscopic companion
In 1996 Michel Mayor et al. a spectroscopic companion with a minimum mass of 50 Jupiter masses that orbits this star with a period of 1.8 days. This object is believed to be a low mass star, but it could also be a brown dwarf .