U Equulei
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Equuleus |
| Right ascension | 20h 57m 16.28s |
| Declination | 02° 58′ 44.6″ |
| Apparent magnitude (V) | 9 - 13 |
| Characteristics | |
| Evolutionary stage | (post?) AGB |
| Spectral type | G - K III |
| B−V color index | +1.6 |
| Variable type | Lb |
| Astrometry | |
| Radial velocity (Rv) | −75 km/s |
| Proper motion (μ) | RA: 10.490 mas/yr Dec.: −10.433 mas/yr |
| Parallax (π) | 0.0985±0.0750 mas |
| Distance | 3,340±700 pc |
| Details | |
| Luminosity | 6,000 L☉ |
| Temperature | 5,005 K |
| Other designations | |
| IRAS 20547+0247, 2MASS J20571628+0258445, Gaia DR2 1731164844433296128 | |
| Database references | |
| SIMBAD | data |
U Equulei (U Equ / IRAS 20547 +0247) is a variable star in the Equuleus constellation with an apparent magnitude of +14.50 in the B band. It lies at an estimated distance of 5,000 light-years (1,500 parsecs) from the Solar System.