HD 29697
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| 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 | |
HD 29697 or V834 Tauri is a variable star in Taurus.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. (2007). "HIP 21818". Hipparcos, the New Reduction. Retrieved 2009-12-15.
- ↑ 2.0 2.1 2.2 2.3 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
- ↑ 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
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