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]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Auriga |
Right ascension | 05h 18m 15.69826s[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 (Rv) | −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 (MV) | −0.63[3] |
Details | |
Luminosity | 1,523[6] L☉ |
Temperature | 3,482[6] K |
Other designations | |
Database references | |
SIMBAD | data |
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.
{{cite journal}}
: CS1 maint: unflagged free DOI (link) - ^ "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.