DU Lyncis

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
Distance430 ± 20 ly
(133 ± 7 pc)
Other designations
DU Lyncis, HD 62647, BD +37 1769, HIP 37946, SAO 60328.[2]
Database references
SIMBADdata

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. 1 2 3 4 5 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–64. Bibcode:2007A&A...474..653V. arXiv:0708.1752 Freely accessible. doi:10.1051/0004-6361:20078357.
  2. ↑ "DU Lyncis". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 20 March 2016.
  3. ↑ Watson, Christopher (4 January 2010). "DU Lyncis". AAVSO Website. American Association of Variable Star Observers. Retrieved 20 March 2016.
  4. ↑ 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. Bibcode:2012MNRAS.427..343M. arXiv:1208.2037 Freely accessible. doi:10.1111/j.1365-2966.2012.21873.x.


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