CQ Camelopardalis

CQ Camelopardalis
Observation data; Epoch J2000 Equinox J2000
Constellation	Camelopardalis
Right ascension	03h 24m 40.555745s[1]
Declination	+64° 35′ 09.5771″[1]
Apparent magnitude (V)	5.15-5.27[2]
Characteristics
Spectral type	M0II[2]
U−B color index	2.06
B−V color index	2.08
R−I color index	1.23
Variable type	Lc[2]
Astrometry
Radial velocity (Rv)	-22.20 km/s
Proper motion (μ)	RA: -2.86 mas/yr ; Dec.: 0.87 mas/yr
Parallax (π)	1.59 ± 0.34 mas
Distance	approx. 2,100 ly ; (approx. 600 pc)
Details
Luminosity	17153[3] L☉
Temperature	3598[3] K
Other designations
	HD 20797, BD+64° 391, HIC 15890, HIP 15890, FK5 1096, HR 1009, SAO 12743.
Database references
SIMBAD	data

CQ Camelopardalis is a variable star in the constellation Camelopardalis. A red giant of spectral type M0II, it varies irregularly from magnitude 5.15 to 5.27.[2] Located around 628 parsecs distant, it shines with a luminosity approximately 17153 times that of the Sun and has a surface temperature of 3598 K.[3]

References

Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
Otero, Sebastian Alberto (15 August 2011). "CQ Camelopardalis". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 20 July 2014.
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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[hipparcos-1] Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.

[AAVSOCQ-2] Otero, Sebastian Alberto (15 August 2011). "CQ Camelopardalis". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 20 July 2014.

[Mcdonald-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.