V385 Andromedae
V385 Andromedae is a variable star in the constellation Andromeda, about 360 parsecs (1,200 ly) away. It is a red giant over a hundred times larger than the sun. It has an apparent magnitude around 6.4, just about visible to the naked eye in ideal conditions.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 24m 08.868s |
| Declination | +41° 36′ 46.35″ |
| Apparent magnitude (V) | 6.413 |
| Characteristics | |
| Evolutionary stage | Red giant |
| Spectral type | M0 |
| B−V color index | +1.66 |
| Variable type | LB |
| Astrometry | |
| Proper motion (μ) | RA: -12.02 ± 0.31 mas/yr Dec.: 2.46 ± 0.29 mas/yr |
| Parallax (π) | 2.7775 ± 0.1334 mas |
| Distance | 1,170 ± 60 ly (360 ± 20 pc) |
| Details | |
| Radius | 113 R☉ |
| Luminosity | 1,843 L☉ |
| Temperature | 3,563 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
V385 Andromedae was identified as a long-period variable in 1999 from analysis of Hipparcos photometry. It was classified as a slow irregular variable, but analysis of its light curve identified a possible 36 day period. It varies by about 0.1 magnitudes.
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