7 Andromedae
From Wikipedia, the free encyclopedia
|
|
|
| Observation data Epoch J2000 |
|
|---|---|
| Constellation (pronunciation) |
Andromeda |
| Right ascension | 23h 12m 33.0034s |
| Declination | +49° 24' 22.346"' |
| 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: 89.78 mas/yr Dec.: 95.57 mas/yr |
| Parallax (π) | 40.82 ± 0.57 mas |
| Distance | 80 ± 1 ly (24.5 ± 0.3 pc) |
| Absolute magnitude (MV) | 4.819 |
| Details | |
| Mass | 1.7 M☉ |
| Radius | 1.3 R☉ |
| Surface gravity (log g) | ? |
| Luminosity | 6 L☉ |
| Temperature | 6.000–7.500 K |
| Metallicity | ? |
| Rotation | ? |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
7 Andromedae is a star in the constellation Andromeda. Its apparent magnitude is 4.53.
[edit] Reference
 |
This star-related article is a stub. You can help Wikipedia by expanding it. |
