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Xi Virginis information


ξ Virginis
Location of ξ Virginis (circled)
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Virgo
Right ascension 11h 45m 17.04027s[1]
Declination +08° 15′ 29.2150″[1]
Apparent magnitude (V) 4.83[2]
Characteristics
Spectral type A4 V[3]
U−B color index +0.10[2]
B−V color index +0.17[2]
Astrometry
Radial velocity (Rv)−0.5[4] km/s
Proper motion (μ) RA: +60.08[1] mas/yr
Dec.: −24.50[1] mas/yr
Parallax (π)26.73 ± 0.25 mas[1]
Distance122 ± 1 ly
(37.4 ± 0.3 pc)
Absolute magnitude (MV)+1.98[5]
Details
Mass1.93[6] M
Radius1.5[7] R
Luminosity12.6[8] L
Surface gravity (log g)4.31[6] cgs
Temperature8,172[8] K
Rotational velocity (v sin i)130[3] km/s
Age480[9] Myr
Other designations
2 Virginis, ξ Vir, BD+09°2545, HD 102124, HIP 57328, HR 4515, SAO 119029[10]
Database references
SIMBADdata

Xi Virginis (ξ Vir, ξ Virginis) is a solitary[11] star in the zodiac constellation of Virgo. It is bright enough to be seen with the naked eye, having an apparent visual magnitude of 4.83.[2] The distance to this star is about 122 light years, as determined from parallax readings.[1]

Xi Virginis is an A-type main sequence star with a stellar classification of A4 V.[3] It has an estimated age of 480[9] million years and is spinning rapidly with a projected rotational velocity of 130 km/s.[3] It has about 150%[7] the Sun's radius and shines with 12.6[8] times the luminosity of the Sun.

  1. ^ a b c d e f Cite error: The named reference van Leeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference Mermilliod1986 was invoked but never defined (see the help page).
  3. ^ a b c d Cite error: The named reference apjs99_135 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference gcrv1953 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference David2015 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference cadars was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference Mcdonald2012 was invoked but never defined (see the help page).
  9. ^ a b Cite error: The named reference Vican2012 was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).

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