PU Aurigae

PU Aurigae
	; A light curve for PU Aurigae, plotted from Hipparcos data
Observation data; Epoch J2000 Equinox J2000
Constellation	Auriga
Right ascension	05h 18m 15.69826s
Declination	+42° 47′ 31.6133″
Apparent magnitude (V)	5.55
Characteristics
Spectral type	M4 III
B−V color index	1.492±0.012
Variable type	Lb
Astrometry
Radial velocity (Rv)	−38.41±1.02 km/s
Proper motion (μ)	RA: +17.98 mas/yr ; Dec.: −30.61 mas/yr
Parallax (π)	5.7462 ± 0.2309 mas
Distance	570 ± 20 ly ; (174 ± 7 pc)
Absolute magnitude (MV)	−0.63
Details
Luminosity	1,523 L☉
Temperature	3,482 K
Other designations
	PU Aurigae, BD+42° 1239, HD 34269, HIP 24738, HR 1722, SAO 40214
Database references
SIMBAD	data

PU Aurigae is an irregular variable star located in the constellation Auriga. A red giant, it varies by 0.1 magnitude around magnitude 5.64.^[8] Located around 560 light-years distant, it shines with a luminosity approximately 1,523 times that of the Sun and has a surface temperature of 3,482 K.^[6]

References[edit]

^ "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Retrieved 8 December 2021.
^ ^a ^b ^c Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
^ ^a ^b ^c ^d ^e Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.
^ Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.
^ ^a ^b van Leeuwen, F. (November 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 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. S2CID 118665352.
^ "HD 34269". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 22 August 2018.
^ Watson, Christopher (4 January 2010). "PU Aurigae". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 17 June 2015.

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[HipDataAccess-1] "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Retrieved 8 December 2021.

[GaiaDR2-2] Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.

[Anderson2012-3] Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. S2CID 119257644.

[gcvs-4] Samus, N. N.; Durlevich, O. V.; et al. (2009). "VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+ 2007-2013)". VizieR On-line Data Catalog: B/GCVS. Originally Published in: 2009yCat....102025S. 1. Bibcode:2009yCat....102025S.

[vanLeeuwen2007-5] van Leeuwen, F. (November 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.

[Mcdonald-6] 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. S2CID 118665352.

[SIMBAD-7] "HD 34269". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 22 August 2018.

[AAVSOPU-8] Watson, Christopher (4 January 2010). "PU Aurigae". The International Variable Star Index. American Association of Variable Star Observers. Retrieved 17 June 2015.

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Observation data Epoch J2000 Equinox J2000
A light curve for PU Aurigae, plotted from Hipparcos data^[1]
Constellation	Auriga
Right ascension	05^h 18^m 15.69826^s^[2]
Declination	+42° 47′ 31.6133″^[2]
Apparent magnitude (V)	5.55^[3]
Characteristics
Spectral type	M4 III^[3]
B−V color index	1.492±0.012^[3]
Variable type	Lb^[4]
Astrometry

Radial velocity (R_v)	−38.41±1.02^[3] km/s
Proper motion (μ)	RA: +17.98^[5] mas/yr Dec.: −30.61^[5] mas/yr
Parallax (π)	5.7462 ± 0.2309 mas^[2]
Distance	570 ± 20 ly (174 ± 7 pc)
Absolute magnitude (M_V)	−0.63^[3]

Details

Luminosity	1,523^[6] `L`_☉
Temperature	3,482^[6] K

Other designations
PU Aurigae, BD+42° 1239, HD 34269, HIP 24738, HR 1722, SAO 40214^[7]
Database references
SIMBAD	data