| 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 |
| Astrometry | |
| Proper motion (μ) | RA: −54.744±0.065[1]mas/yr Dec.: −34.855±0.061[1]mas/yr |
| Parallax (π) | 5.0141±0.0419 mas[1] |
| Distance | 650 ± 5 ly (199 ± 2 pc) |
| Other designations | |
| Gaia DR2 1582231699483080192,WD 1202+608,2MASS J12043856+6032082[2] | |
| Database references | |
| SIMBAD | data |
Feige 55 is a hotwhite dwarf approximately 650light-years away from theSun in theconstellation ofUrsa Major. The star is likely apost-AGBstar with relatively high luminosity for a standard white dwarf. It is also in a close binary system with orbital period of 1.4933days.[3]
 | This binary or multiple star system–related article is astub. You can help Wikipedia byadding missing information. |
 | This article about awhite dwarf is astub. You can help Wikipedia byadding missing information. |
