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V385 Andromedae

From Wikipedia, the free encyclopedia
Star in the constellation Andromeda
V385 Andromedae
Location of V385 Andromedae (circled)
Observation data
Epoch J2000      Equinox J2000
ConstellationAndromeda
Right ascension23h 24m 08.868s[1]
Declination+41° 36′ 46.35″[1]
Apparent magnitude (V)6.413[2]
Characteristics
Evolutionary stageRed giant
Spectral typeM0[3]
B−Vcolor index+1.66[4]
Variable typeLB[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]
Distance1,170 ± 60 ly
(360 ± 20 pc)
Details
Radius113[5] R
Luminosity1,843[5] L
Temperature3,563[5] K
Other designations
HD 220524,BD+40 5065,HIP 115530,SAO 52978,PPM 64169
Database references
SIMBADdata

V385 Andromedae is avariable star in the constellation Andromeda, about 360 parsecs (1,200 ly) away. It is ared giant over a hundred times larger than the sun. It has anapparent magnitude around 6.4, just about visible to the naked eye in ideal conditions.

Alight curve for V385 Andromedae, plotted fromMASCARA data[2]

V385 Andromedae was identified as along-period variable in 1999 from analysis ofHipparcos photometry.[6] It was classified as aslow 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]

References

[edit]
  1. ^abcdvan Leeuwen, F. (2007)."Validation of the new Hipparcos reduction".Astronomy and Astrophysics.474 (2):653–664.arXiv:0708.1752.Bibcode:2007A&A...474..653V.doi:10.1051/0004-6361:20078357.S2CID 18759600.Vizier catalog entry
  2. ^abcdeBurggraaff, O.; Talens, G. J. J.; Spronck, J.; Lesage, A. -L.; Stuik, R.; Otten, G. P. P. L.; Van Eylen, V.; Pollacco, D.; Snellen, I. A. G. (2018). "Studying bright variable stars with the Multi-site All-Sky CAmeRA (MASCARA)".Astronomy and Astrophysics.617: A32.arXiv:1806.02247.Bibcode:2018A&A...617A..32B.doi:10.1051/0004-6361/201833142.S2CID 84836583.
  3. ^abcdSamus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)".VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S.1: B/GCVS.Bibcode:2009yCat....102025S.
  4. ^Høg, E.; Fabricius, C.; Makarov, V. V.; Urban, S.; Corbin, T.; Wycoff, G.; Bastian, U.; Schwekendiek, P.; Wicenec, A. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars".Astronomy and Astrophysics.355: L27.Bibcode:2000A&A...355L..27H.
  5. ^abcdBrown, A. G. A.; et al. (Gaia collaboration) (August 2018)."Gaia Data Release 2: Summary of the contents and survey properties".Astronomy & Astrophysics.616. A1.arXiv:1804.09365.Bibcode:2018A&A...616A...1G.doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source atVizieR.
  6. ^Kazarovets, E. V.; Samus, N. N.; Durlevich, O. V.; Frolov, M. S.; Antipin, S. V.; Kireeva, N. N.; Pastukhova, E. N. (1999). "The 74th Special Name-list of Variable Stars".Information Bulletin on Variable Stars.4659 (4659): 1.Bibcode:1999IBVS.4659....1K.

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