V385 Andromedae
Star in the constellation Andromeda
From Wikipedia, the free encyclopedia
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[1] |
| Declination | +41° 36′ 46.35″[1] |
| Apparent magnitude (V) | 6.413[2] |
| Characteristics | |
| Evolutionary stage | Red giant |
| Spectral type | M0[3] |
| B−V color index | +1.66[4] |
| Variable type | LB[3][2] |
| Astrometry | |
| Proper motion (μ) | RA: -12.02 ± 0.31[1] mas/yr Dec.: 2.46 ± 0.29[1] mas/yr |
| Parallax (π) | 2.7775±0.1334 mas[5] |
| Distance | 1,170 ± 60 ly (360 ± 20 pc) |
| Details | |
| Radius | 113[5] R☉ |
| Luminosity | 1,843[5] L☉ |
| Temperature | 3,563[5] K |
| Other designations | |
| HD 220524, BD+40 5065, HIP 115530, SAO 52978, PPM 64169 | |
| Database references | |
| SIMBAD | data |
V385 Andromedae was identified as a long-period variable in 1999 from analysis of Hipparcos photometry.[6] It was classified as a slow irregular variable,[3] but analysis of its light curve identified a possible 36 day period.[2] It varies by about 0.1 magnitudes.[2][3]
