DU Lyncis
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Lynx |
Right ascension | 07h 46m 39.27968s[1] |
Declination | +37° 31′ 02.6215″[1] |
Characteristics | |
Spectral type | M3III |
Variable type | Semiregular variable |
Astrometry | |
Radial velocity (Rv) | -37.20 ± 0.21 km/s |
Proper motion (μ) | RA: 27.79 ± 0.43[1] mas/yr Dec.: 13.06 ± 0.32[1] mas/yr |
Parallax (π) | 7.53 ± 0.40[1] mas |
Distance | 430 ± 20 ly (133 ± 7 pc) |
Details | |
Other designations | |
DU Lyncis is a star in the constellation Lynx. It is a red giant of spectral type M3III. It has been classified as a semiregular variable ranging from magnitude 5.18 to 5.31.[3] Located around 430 light-years distant, it shines with a luminosity approximately 536 times that of the Sun and has a surface temperature of 3779 K.[4]
References
- 1 2 3 4 5 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.
- ↑ "DU Lyncis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 20 March 2016.
- ↑ Watson, Christopher (4 January 2010). "DU Lyncis". AAVSO Website. American Association of Variable Star Observers. Retrieved 20 March 2016.
- ↑ 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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