Back كعب ذي العنان Arabic Hassaleh AST Iota Aurigae BS Hassaleh Catalan Hassaleh German Ιώτα Ηνιόχου Greek Hassaleh Spanish یوتا ارابه‌ران Persian Iota Aurigae Finnish Iota Aurigae French

Iota Aurigae

ι Aurigae
Location of ι Aurigae (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Auriga
Right ascension 04h 56m 59.62109s[1]
Declination +33° 09′ 57.9585″[1]
Apparent magnitude (V) 2.69[2]
Characteristics
Spectral type K3 II[3]
U−B color index +1.78[2]
B−V color index +1.53[2]
Variable type Suspected[4]
Astrometry
Radial velocity (Rv)+17.78[5] km/s
Proper motion (μ) RA: +6.79[1] mas/yr
Dec.: −14.88[1] mas/yr
Parallax (π)6.61 ± 0.38 mas[1]
Distance490 ± 30 ly
(151 ± 9 pc)
Absolute magnitude (MV)−3.20[6]
Details
Mass7.1 ± 0.7[7] M☉
Radius126[8] R☉
Luminosity3897±327[8] L☉
Temperature4059±125[8] K
Metallicity [Fe/H]–0.11[9] dex
Rotational velocity (v sin i)8[10] km/s
Age39.8 ± 4.9[7] Myr
Other designations
Hassaleh, Kabdhilinan, ι Aur, 3 Aurigae, BD+32°855, FK5 181, GC 6029, HD 31398, HIP 23015, HR 1577, SAO 57522[11]
Database references
SIMBADdata

Iota Aurigae (ι Aurigae, abbreviated Iota Aur, ι Aur), officially named Hassaleh /ˈhæsəleɪ/,[12] is a star in the northern constellation of Auriga. It has an apparent visual magnitude of 2.7,[2] which is bright enough to be readily visible to the naked eye. Parallax measurements give a distance estimate of roughly 490 light-years (150 parsecs) from the Sun.

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