HD 75289
Star HD 75289 |
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AladinLite | |||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | Sails of the ship | ||||||||||
Right ascension | 08 h 47 m 40.39 s | ||||||||||
declination | -41 ° 44 ′ 12.5 ″ | ||||||||||
Apparent brightness | 6.35 mag | ||||||||||
Typing | |||||||||||
Known exoplanets | 1 | ||||||||||
B − V color index | +0.58 | ||||||||||
U − B color index | +0.10 | ||||||||||
Spectral class | G0 Ia0: | ||||||||||
Astrometry | |||||||||||
Radial velocity | (9.0 ± 0.2) km / s | ||||||||||
parallax | (34.31 ± 0.32) mas | ||||||||||
distance | (95.06 ± 0.89) Lj (29.15 ± 0.27) pc |
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Visual absolute brightness M vis | +4.03 mag | ||||||||||
Proper movement | |||||||||||
Rec. Share: | (−20.00 ± 0.28) mas / a | ||||||||||
Dec. portion: | (−227.93 ± 0.29) mas / a | ||||||||||
Physical Properties | |||||||||||
Dimensions | 1.05 M ☉ | ||||||||||
radius | 1.25 R ☉ | ||||||||||
Luminosity |
1.82 L ☉ |
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Effective temperature | 6011 K | ||||||||||
Metallicity [Fe / H] | 0.29 | ||||||||||
Rotation time | 24.6 | ||||||||||
Age | 4.96 x 10 9 a | ||||||||||
Other names and catalog entries |
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HD 75289 is a yellow dwarf 94.4 light years from Earth with a right ascension of 08h 47m 40s and a declination of −41 ° 44 '12 ". It has an apparent magnitude of 6.35 mag. In 1999, Stéphane discovered Udry an extrasolar planet orbiting this star, named HD 75289 B. There may also be a second star in this system, a red dwarf named HD 75289 B , the HD 75289 A at a distance of 621 astronomical units This would make this system a double star .