HD 126271

HD 126271
Observation data; Epoch J2000 Equinox J2000
Constellation	Boötes
Right ascension	14h 24m 18.26806s
Declination	+08° 05′ 04.5567″
Apparent magnitude (V)	6.18
Characteristics
Spectral type	K4 III
U−B color index	1.24
B−V color index	1.18
R−I color index	0.6
Astrometry
Radial velocity (Rv)	−30.8±0.8 km/s
Proper motion (μ)	RA: −120.44 mas/yr ; Dec.: −101.61 mas/yr
Parallax (π)	9.09 ± 0.50 mas
Distance	360 ± 20 ly ; (110 ± 6 pc)
Details
Mass	1.4 M☉
Luminosity	1.72 L☉
Surface gravity (log g)	2.3 cgs
Temperature	4,410 K
Metallicity	+0.00 dex
Other designations
	BD+08° 2858, HD 126271, HIP 70414, HR 5394, SAO 120436.
Database references
SIMBAD	data

HD 126271 is a suspected variable star in the northern constellation of Boötes.

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, S2CID 18759600.
^ ^a ^b ^c Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode:1986EgUBV........0M
^ ^a ^b Luck, R. Earle; Heiter, Ulrike (June 2007), "Giants in the Local Region", The Astronomical Journal, 133 (6): 2464–2486, Bibcode:2007AJ....133.2464L, doi:10.1086/513194
^ Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.
^ ^a ^b ^c ^d Melo, C. H. F.; et al. (August 2005), "On the nature of lithium-rich giant stars. Constraints from beryllium abundances", Astronomy and Astrophysics, 439 (1): 227–235, arXiv:astro-ph/0504133, Bibcode:2005A&A...439..227M, doi:10.1051/0004-6361:20041805, S2CID 10580797.

External links

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[van_Leeuwen2007-1] 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, S2CID 18759600.

[MERMILLIOD-2] Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode:1986EgUBV........0M

[aj133_6_2464-3] Luck, R. Earle; Heiter, Ulrike (June 2007), "Giants in the Local Region", The Astronomical Journal, 133 (6): 2464–2486, Bibcode:2007AJ....133.2464L, doi:10.1086/513194

[Gontcharov-4] Gontcharov, G. A. (November 2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. S2CID 119231169.

[aaa439_1_227-5] Melo, C. H. F.; et al. (August 2005), "On the nature of lithium-rich giant stars. Constraints from beryllium abundances", Astronomy and Astrophysics, 439 (1): 227–235, arXiv:astro-ph/0504133, Bibcode:2005A&A...439..227M, doi:10.1051/0004-6361:20041805, S2CID 10580797.

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Observation data Epoch J2000 Equinox J2000
Constellation	Boötes
Right ascension	14^h 24^m 18.26806^s^[1]
Declination	+08° 05′ 04.5567″^[1]
Apparent magnitude (V)	6.18^[2]
Characteristics
Spectral type	K4 III^[3]
U−B color index	1.24^[2]
B−V color index	1.18^[2]
R−I color index	0.6
Astrometry

Radial velocity (R_v)	−30.8±0.8^[4] km/s
Proper motion (μ)	RA: −120.44^[1] mas/yr Dec.: −101.61^[1] mas/yr
Parallax (π)	9.09 ± 0.50 mas^[1]
Distance	360 ± 20 ly (110 ± 6 pc)

Details

Mass	1.4^[5] `M`_☉
Luminosity	1.72^[3] `L`_☉
Surface gravity (log g)	2.3^[5] cgs
Temperature	4,410^[5] K
Metallicity	+0.00^[5] dex

Other designations
BD+08° 2858, HD 126271, HIP 70414, HR 5394, SAO 120436.
Database references
SIMBAD	data