HD 29697
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Taurus |
| Right ascension | 04h 41m 18.85634s[1] |
| Declination | +20° 54′ 05.4456″[1] |
| Apparent magnitude (V) | 8.00[2] |
| Characteristics | |
| Spectral type | K3 V[3] |
| U−B color index | +0.94[2] |
| B−V color index | +1.09[2] |
| Variable type | BY Dra[4] |
| Astrometry | |
| Radial velocity (Rv) | +11[5] 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[6] M☉ |
| Radius | 0.67[6] R☉ |
| Luminosity | 0.15[6] L☉ |
| Surface gravity (log g) | 4.50[4] cgs |
| Temperature | 4,454±11.4[7] K |
| Metallicity [Fe/H] | 0.01[4] dex |
| Rotational velocity (v sin i) | 9.73[4] km/s |
| Age | 49±37[6] Myr |
| Other designations | |
HD 29697 or V834 Tauri is a variable star of the BY Draconis[4] type in the equatorial constellation of Taurus. It has an apparent magnitude of 8.0,[2] so it is not visible to the naked eye. The star has been examined for indications of a circumstellar disk using the Spitzer Space Telescope, but no statistically-significant infrared excess was detected.[6]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 2.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 4.2 4.3 4.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 6.2 6.3 6.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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