HD 29697

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HD 29697
Observation data
Epoch J2000      Equinox J2000
Constellation Taurus
Right ascension 04h 41m 18.86s[1]
Declination +20° 54′ 05.4″[1]
Apparent magnitude (V) 7.98
Characteristics
Spectral type K3 V
Variable type Variable of BY Dra type
Astrometry
Radial velocity (Rv) 11 km/s
Proper motion (μ) RA: -232.38 ± 1.05[1] mas/yr
Dec.: -254.28 ± 0.69[1] mas/yr
Parallax (π) 75.82 ± 1.14[1] mas
Distance 43.0 ± 0.6 ly
(13.2 ± 0.2 pc)
Details
Mass 0.75[2] M
Radius 0.67[2] R
Luminosity 0.15[2] L
Temperature 4454 ± 11.4[3] K
Age 49 ± 37[2] Myr
Other designations
V834 Tau, AG+20 433, ASCC 750255, BD+20° 802, G 85-4, GC 5699, GJ 174, HD 29697, HIP 21818, SAO 76708, USNO-B1.0 1109-00056264.

HD 29697 or V834 Tauri is a variable star in Taurus.

References[edit]

  1. ^ a b c d e van Leeuwen, F. (2007). "HIP 21818". Hipparcos, the New Reduction. Retrieved 2009-12-15. 
  2. ^ a b c d Plavchan, Peter et al. (June 2009), "New Debris Disks Around Young, Low-Mass Stars Discovered with the Spitzer Space Telescope", The Astrophysical Journal 698 (2): 1068–1094, arXiv:0904.0819, Bibcode:2009ApJ...698.1068P, doi:10.1088/0004-637X/698/2/1068 
  3. ^ Kovtyukh et al. (2003). "High precision effective temperatures for 181 F-K dwarfs from line-depth ratios". Astronomy and Astrophysics 411 (3): 559–564. arXiv:astro-ph/0308429. Bibcode:2003A&A...411..559K. doi:10.1051/0004-6361:20031378. 

External links[edit]