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Upsilon Tauri

Not to be confused with Y Tauri.
υ Tauri
Location of υ Tauri (circled)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Taurus
Right ascension 04h 26m 18.46368s[1]
Declination +22° 48′ 48.8885″[1]
Apparent magnitude (V) 4.28 – 4.31[2]
Characteristics
Spectral type A8 Vn[3]
U−B color index +0.14[4]
B−V color index +0.25[4]
Variable type δ Scuti[2]
Astrometry
Radial velocity (Rv)32.2±1.1[5] km/s
Proper motion (μ) RA: +108.81[1] mas/yr
Dec.: −46.80[1] mas/yr
Parallax (π)21.21 ± 0.25 mas[1]
Distance154 ± 2 ly
(47.1 ± 0.6 pc)
Absolute magnitude (MV)+0.91[6]
Details
Mass1.55[7] M☉
Radius1.803[8] R☉
Luminosity32.5[9] L☉
Surface gravity (log g)3.50[7] cgs
Temperature7,398±252[7] K
Rotation0.415 d[8]
Rotational velocity (v sin i)243[3] km/s
Age827[7] Myr
Other designations
υ Tau, υ1 Tau, 69 Tauri, BD+22 696, FK5 2326, HD 28024, HIP 20711, HR 1392, SAO 76608[10]
Database references
SIMBADdata

Upsilon Tauri (υ Tauri) is a solitary,[11] white-hued star in the zodiac constellation of Taurus, and is a member of the Hyades star cluster.[8] It is faintly visible to the naked eye with an apparent visual magnitude of +4.3. Based upon an annual parallax shift of 21.21 mas seen from Earth, it is around 154 light years from the Sun.

  1. ^ a b c d e Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference gcvs was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Royer2007 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Danziger1967 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference deBruijne2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  7. ^ a b c d Cite error: The named reference David2015 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference vanSaders2013 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference Mcdonald2012 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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