TU Corvi
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Corvus |
| Right ascension | 12h 35m 58.79334s[1] |
| Declination | −20° 31′ 38.9233″[1] |
| Apparent magnitude (V) | 6.53[2] |
| Characteristics | |
| Evolutionary stage | Delta Scuti variable |
| Spectral type | F0 |
| Astrometry | |
| Radial velocity (Rv) | -2.00 ± 4.3 km/s |
| Proper motion (μ) | RA: 32.82 ± 0.60 mas/yr Dec.: -51.24 ± 0.45 mas/yr |
| Parallax (π) | 14.97 ± 0.61[3] mas |
| Distance | 218 ± 9 ly (67 ± 3 pc) |
| Details | |
| Luminosity | 11.7[4] L☉ |
| Temperature | 6954[4] K |
| Other designations | |
TU Corvi is a star in the constellation Corvus. It is a Delta Scuti variable, varying by 0.025 of a magnitude around apparent magnitude 6.53 over 59 minutes.[2] Located around 218 light-years distant, it shines with a luminosity approximately 11.7 times that of the Sun and has a surface temperature of 6954 K.[4]
References
- 1 2 "TU Crv -- Variable Star of delta Sct type". Retrieved 21 July 2015.
- 1 2 Watson, Christopher (4 January 2010). "TU Corvi". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 21 July 2015.
- ↑ van Leeuwen, F. (2007). "Validation of the New Hipparcos Reduction". Astronomy and Astrophysics. 474 (2): 653–64. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. - 1 2 3 McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
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