![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Auriga_constellation_map.svg/640px-Auriga_constellation_map.svg.png&w=640&q=50)
Iota Aurigae
Star in the constellation Auriga / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Iota Aurigae?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
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.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
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] |
Distance | 490 ± 30 ly (151 ± 9 pc) |
Absolute magnitude (MV) | −3.20[6] |
Details | |
Mass | 7.1 ± 0.7[7] M☉ |
Radius | 126[8] R☉ |
Luminosity | 3897±327[8] L☉ |
Surface gravity (log g) | 3.048[8] cgs |
Temperature | 4059±125[8] K |
Metallicity [Fe/H] | –0.11[9] dex |
Rotational velocity (v sin i) | 8[10] km/s |
Age | 39.8 ± 4.9[7] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Close