HD 238108
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Stern HD 238108 |
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| 2MASS image with HD 238107 and HD 238108 | |||||||||||
| AladinLite | |||||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | Big Bear | ||||||||||
| Right ascension | 12 h 22 m 19 s | ||||||||||
| declination | + 58 ° 05 ′ 10.4 ″ | ||||||||||
| Apparent brightness | 10.11 ± 0.03 mag | ||||||||||
| Typing | |||||||||||
| B − V color index | (0.59) | ||||||||||
| Spectral class | F8 | ||||||||||
| Astrometry | |||||||||||
| Radial velocity | (30.64 ± 1.08) km / s | ||||||||||
| parallax | (6.85 ± 0.03) mas | ||||||||||
| distance | (476 ± 2) ly (146 ± 1) pc |
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| Proper movement | |||||||||||
| Rec. Share: | (−28.29 ± 0.05) mas / a | ||||||||||
| Dec. portion: | (66.78 ± 0.05) mas / a | ||||||||||
| Physical Properties | |||||||||||
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Other names and catalog entries |
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HD 238108 is a star in the constellation Great Bear at a distance of just over 450 light years . Together with HD 238107, the star forms an optical double star ( Winnecke 4 ), which Charles Messier mistakenly assumed to be a nebula in 1764 .
Individual evidence
- ↑ a b c d e f g HD 238108. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed August 19, 2018 .