HD 231701
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Stern HD 231701 |
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| AladinLite | |||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | arrow | ||||||||||
| Right ascension | 19 h 32 m 4.16 s | ||||||||||
| declination | + 16 ° 28 ′ 27.4 ″ | ||||||||||
| Apparent brightness | 8.97 likes | ||||||||||
| Typing | |||||||||||
| Known exoplanets | 1 | ||||||||||
| Spectral class | F8 V | ||||||||||
| Astrometry | |||||||||||
| parallax | (8.44 ± 1.05) mas | ||||||||||
| distance | (386 ± 48) ly (118 ± 15) pc |
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| Visual absolute brightness M vis | +3.60 mag | ||||||||||
| Proper movement | |||||||||||
| Rec. Share: | (63.85 ± 0.89) mas / a | ||||||||||
| Dec. portion: | (16.46 ± 0.85) mas / a | ||||||||||
| Physical Properties | |||||||||||
| Dimensions | (1.14 ± 0.08) M ☉ | ||||||||||
| radius | (1.4 ± 0.2) R ☉ | ||||||||||
| Effective temperature | (6208 ± 44) K. | ||||||||||
| Metallicity [Fe / H] | (0.07 ± 0.03) | ||||||||||
| Age | 4.9 x 10 9 a | ||||||||||
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Other names and catalog entries |
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HD 231701 is a main sequence star of the spectral class F8 in the constellation Sagitta, about 350 light years from Earth . It has an apparent magnitude of 9.0 mag. In 2006 Debra Fischer discovered an extrasolar planet orbiting this star: HD 231701 b .