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)
Details
Other designations
DU Lyncis, HD 62647, BD +37 1769, HIP 37946, SAO 60328.[2]

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. arXiv:0708.1752Freely accessible. Bibcode:2007A&A...474..653V. 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. arXiv:1208.2037Freely accessible. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.


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