28 Andromedae
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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Andromeda |
| Right ascension | 00h 30m 07.36s [1] |
| Declination | +29° 45′ 05.6″ [1] |
| Apparent magnitude (V) | 5.2 |
| Characteristics | |
| Spectral type | A7III |
| U−B color index | 0.09 |
| B−V color index | 0.24 |
| Variable type | Delta Scuti variable |
| Astrometry | |
| Radial velocity (Rv) | -10.2 km/s |
| Proper motion (μ) | RA: 43.31 ± 0.48 [1] mas/yr Dec.: -56.66 ± 0.30 [1] mas/yr |
| Parallax (π) | 15.93 ± 0.43[1] mas |
| Distance | 205 ± 6 ly (63 ± 2 pc) |
| Absolute magnitude (MV) | 5.463 |
| Details | |
| Rotation | 0.000188856 Year |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
28 Andromedae or (GN Andromedae) is a star in the constellation Andromeda. Its apparent magnitude is 5.20.
[edit] References
- ^ a b c d e van Leeuwen, F. (2007). "HIP 2355". Hipparcos, the New Reduction. http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=2349. Retrieved 2010-03-23.
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