Epsilon Virginis

ε Virginis
(Vindemiatrix)
Location of ε Virginis (circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Virgo
Right ascension 13h 02m 10.5970s[1]
Declination +10° 57′ 32.9359″[1]
Apparent magnitude (V) +2.826[2]
Characteristics
Evolutionary stage Red clump[3]
Spectral type G8 III[4]
U−B color index +0.718[2]
B−V color index +0.940[2]
Astrometry
Radial velocity (Rv)−14.96±0.03[5] km/s
Proper motion (μ) RA: -273.393 mas/yr[1]
Dec.: +19.804 mas/yr[1]
Parallax (π)30.221 ± 0.1907 mas[1]
Distance107.9 ± 0.7 ly
(33.1 ± 0.2 pc)[1]
Absolute magnitude (MV)0.37 ± 0.06[6]
Details
Mass2.72±0.12[5] M☉
Radius11.98[7][8] R☉
Luminosity91.2[5] L☉
Surface gravity (log g)2.72±0.02[9] cgs
Temperature5,071[7] K
Metallicity [Fe/H]0.06±0.03[9] dex
Rotation173[10] days
Rotational velocity (v sin i)2.37±0.41[5] km/s
Age562,[5] 700[3] Myr
Other designations
Vindemiatrix, Vindemiator, Almuredin, Provindemiator, Protrigetrix, Protrygetor, Alaraph, 47 Virginis, BD+11°2529, FK5 488, HD 113226, HIP 63608, HR 4932, SAO 100384[11]
Database references
SIMBADdata

Epsilon Virginis (ε Virginis, abbreviated Epsilon Vir, ε Vir), formally named Vindemiatrix /vɪndiːmiˈeɪtrɪks/,[12][13] is a star in the zodiac constellation of Virgo. The apparent visual magnitude of this star is +2.8,[2] making it the third-brightest member of Virgo. Based upon parallax measurements made by the Gaia spacecraft, Vindemiatrix lies at a distance of about 108 light-years (33 parsecs) from the Sun, give or take 0.7 light-years.[1]

  1. ^ a b c d e f Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  2. ^ a b c d Cite error: The named reference sps1966 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference howes was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference araa11_29 was invoked but never defined (see the help page).
  5. ^ a b c d e Cite error: The named reference Deka-Szymankiewicz was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference aaa458_2_609 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference gray2019 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Baines2018 was invoked but never defined (see the help page).
  9. ^ a b Cite error: The named reference soubiran was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference aaa421_241 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference simbada was invoked but never defined (see the help page).
  12. ^ "Vindemiatrix". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
  13. ^ "IAU Catalog of Star Names". Retrieved 28 July 2016.