PU Aurigae

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PU Aurigae

A light curve for PU Aurigae, plotted from Hipparcos data[1]
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]
Distance
570 ± 20 ly
(174 ± 7 pc)
Absolute magnitude (MV)−0.63[3]
Details
Luminosity1,523[6] L☉
Temperature3,482[6] K
HR 1722, SAO 40214[7]
Database references
SIMBADdata

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

  1. ^ "Hipparcos Tools Interactive Data Access". Hipparcos. ESA. Retrieved 8 December 2021.
  2. ^
    doi:10.1051/0004-6361/201833051
    .
  3. ^
    S2CID 119257644
    .
  4. Bibcode:2009yCat....102025S
    .
  5. ^
    S2CID 18759600
    .
  6. ^
    S2CID 118665352
    .
  7. ^ "HD 34269". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 22 August 2018.
  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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