4 Andromedae
Not to be confused with Andromeda IV.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 07m 39.27s[1] |
| Declination | +46° 23′ 14.0″[1] |
| Apparent magnitude (V) | 5.308 |
| Characteristics | |
| Spectral type | K5III |
| U−B color index | 1.72 |
| B−V color index | 1.41 |
| Astrometry | |
| Radial velocity (Rv) | -6.2 km/s |
| Proper motion (μ) | RA: -12.34 ± 0.20[1] mas/yr Dec.: -31.01 ± 0.23[1] mas/yr |
| Parallax (π) | 9.35 ± 0.32[1] mas |
| Distance | 350 ± 10 ly (107 ± 4 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
4 Andromedae (abbreviated 4 And) is a star in the constellation Andromeda. 4 Andromedae is the Flamsteed designation. Its apparent magnitude is 5.30.
Notas
- 1 2 3 4 5 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
External links
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
This article is issued from Wikipedia - version of the Tuesday, December 08, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.