7 Andromedae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 12m 33.00s[1] |
| Declination | +49° 24′ 22.3″[1] |
| Apparent magnitude (V) | 4.54 |
| Characteristics | |
| Spectral type | F0V |
| U−B color index | 0.04 |
| B−V color index | 0.29 |
| Variable type | None |
| Astrometry | |
| Radial velocity (Rv) | 12.5 km/s |
| Proper motion (μ) | RA: 90.23 ± 0.16[1] mas/yr Dec.: 95.56 ± 0.17[1] mas/yr |
| Parallax (π) | 40.67 ± 0.22[1] mas |
| Distance | 80.2 ± 0.4 ly (24.6 ± 0.1 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
7 Andromedae (7 And) is a star in the constellation Andromeda. Its apparent magnitude is 4.53.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||