HD 27245

HD 27245
Observation data; Epoch J2000 Equinox J2000
Constellation	Camelopardalis
Right ascension	04h 21m 47.64935s
Declination	+60° 44′ 08.2430″
Apparent magnitude (V)	5.5234±0.0010
Characteristics
Spectral type	M0 III
U−B color index	+1.81
B−V color index	+1.50
Astrometry
Radial velocity (Rv)	+25.16±0.27 km/s
Proper motion (μ)	RA: +55.55 mas/yr ; Dec.: −114.56 mas/yr
Parallax (π)	7.31 ± 0.35 mas
Distance	450 ± 20 ly ; (137 ± 7 pc)
Absolute magnitude (MV)	−0.40
Other designations
	NSV 1558, BD+60° 800, HD 27245, HIP 20376, HR 1335, SAO 13113
Database references
SIMBAD	data

HD 27245 is a variable^[7] red giant^[2] star in the northern constellation of Camelopardalis.

References

^ ^a ^b ^c ^d ^e van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
^ ^a ^b ^c Famaey, B.; et al. (January 2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters", Astronomy and Astrophysics, 430 (1): 165–186, arXiv:astro-ph/0409579, Bibcode:2005A&A...430..165F, doi:10.1051/0004-6361:20041272
^ Appenzeller, Immo (April 1967), "MK Spectral Types for 185 Bright Stars", Publications of the Astronomical Society of the Pacific, 79 (467): 102, Bibcode:1967PASP...79..102A, doi:10.1086/128449
^ ^a ^b Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode:1986EgUBV........0M
^ de Bruijne, J. H. J.; Eilers, A.-C. (October 2012), "Radial velocities for the HIPPARCOS-Gaia Hundred-Thousand-Proper-Motion project", Astronomy & Astrophysics, 546: 14, arXiv:1208.3048, Bibcode:2012A&A...546A..61D, doi:10.1051/0004-6361/201219219, A61.
^ "HD 27245". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2018-06-05.
^ Pyl'skaja, O. P.; et al. (December 1978), "V-R Colours of Red Variable Stars", Information Bulletin on Variable Stars, 1513: 1, Bibcode:1978IBVS.1513....1P

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Observation data Epoch J2000 Equinox J2000
Constellation	Camelopardalis
Right ascension	04^h 21^m 47.64935^s^[1]
Declination	+60° 44′ 08.2430″^[1]
Apparent magnitude (V)	5.5234±0.0010^[2]
Characteristics
Spectral type	M0 III^[3]
U−B color index	+1.81^[4]
B−V color index	+1.50^[4]
Astrometry

Radial velocity (R_v)	+25.16±0.27^[5] km/s
Proper motion (μ)	RA: +55.55^[1] mas/yr Dec.: −114.56^[1] mas/yr
Parallax (π)	7.31 ± 0.35 mas^[1]
Distance	450 ± 20 ly (137 ± 7 pc)
Absolute magnitude (M_V)	−0.40^[2]

Other designations
NSV 1558, BD+60° 800, HD 27245, HIP 20376, HR 1335, SAO 13113^[6]
Database references
SIMBAD	data