Feige 55
Coordinates: 
12h 04m 38.91s, +60° 32′ 09.3″
12h 04m 38.91s, +60° 32′ 09.3″| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ursa Major |
| Right ascension | 12h 04m 38.5357s[1] |
| Declination | +60° 32′ 08.0865″[1] |
| Apparent magnitude (V) | +13.45 |
| Characteristics | |
| Spectral type | DAO+M5.5V |
| Details | |
| Mass | 0.486/0.3 M☉ |
| Radius | 0.0345/0.33? R☉ |
| Luminosity | 10.7/0.0079 L☉ |
| Temperature | 56,300/3000? K |
| Other designations | |
| Gaia DR2 1582231699483080192, WD 1202+608, 2MASS J12043856+6032082[2] | |
| Database references | |
| SIMBAD | data |
Feige 55 is a hot
post-AGB star with relatively high luminosity for a standard white dwarf. It is also in a close binary system with orbital period of 1.4933 days.[3]
References
- ^ .
- ^ "Feige 55". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2019-10-12.
- doi:10.1086/309735.
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