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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 | |
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]
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