4 Ursae Minoris
| Observation data Epoch J2000 Equinox J2000 | ||
|---|---|---|
| Constellation | Ursa Minor
| |
| Right ascension | 14h 08m 50.92654s[1] | |
| Declination | +77° 32′ 51.0466″[1] | |
| Apparent magnitude (V) | 4.80[2] | |
| Characteristics | ||
| Spectral type | K3-IIIb Fe-0.5[3] | |
| B−V color index | 1.368[4] | |
| Absolute magnitude (MV) | −1.06[4] | |
Semi-amplitude (K1)(primary) | 12.65±0.16 km/s | |
| Details | ||
| 4 UMi A | ||
dex | ||
| Database references | ||
| SIMBAD | data | |
4 Ursae Minoris is a
light years from the Sun. It is moving further away with a heliocentric radial velocity of +5.9 km/s.[5]
This is a single-lined
References
- ^ S2CID 18759600.
- ^ S2CID 119257644.
- ^ doi:10.1086/191373.
- ^ S2CID 17821279.
- ^ S2CID 59451347.
- ^ doi:10.1086/129218.
- ^ S2CID 120199240, 81.
- ^ S2CID 425754.
- ^ S2CID 53999614, A143.
- ^ "4 UMi". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-04-02.
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