Hassaleh, an orange bright giant star in Auriga
Hassaleh is an orange bright giant star in the constellation Auriga. At 491 light years away, it is the 112nd brightest star in the Earth's sky, where it shines at an apparent visual magnitude of 2.69.
Hassaleh (HIP 23015)
Hassaleh is an orange bright giant star in the constellation Auriga. At 491 light years away, it is the 112nd brightest star in the Earth's sky, where it shines at an apparent visual magnitude of 2.69. The iron abundance of Hassaleh is -0.08 (83.2% of the Sun). It is moving through the Galaxy at a speed of 22.3 km/s relative to the Sun. Its projected Galactic orbit carries it between 24,500 and 28,800 light years from the center of the Galaxy. It came closest to the Sun 5.3 million years ago when it had brightened to magnitude 1.59 from a distance of 296 light years.
Sky position: RA 4h 57.0m, Dec +33° 10.2'
Common designations: Hassaleh, Iota Aurigae, 3 Aurigae, HIP 23015, HD 31398
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Brightest stars in Auriga:
(list all)
| Rank | Mag. | Star |
| 1 | 0.08 | Capella |
| 2 | 1.90 | Menkalinan |
| 3 | 2.65 | Theta Aurigae |
4
| 2.69
) Hassaleh
| Rank | Mag. | Star |
| 5 | 3.03 | Al Anz |
| 6 | 3.18 | Hoedus II |
| 7 | 3.69 | Hoedus I |
| 8 | 3.72 | Delta Aurigae |
| 9 | 3.97 | Nu Aurigae |
| 10 | 4.30 | Pi Aurigae |
| 11 | 4.32 | Kappa Aurigae |
| 12 | 4.51 | Tau Aurigae |
| 13 | 4.54 | 16 Aurigae |
| 14 | 4.69 | Lambda Aurigae |
| 15 | 4.71 | Chi Aurigae |
| 16 | 4.72 | Upsilon Aurigae |
| 17 | 4.79 | 2 Aurigae |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of Hassaleh
(compared to the Sun)
E
ccentricity: 8.1% vs. 16.0%Angle φ : -19.9°vs. 26.0°
Semi-major axis : 8,178 pc vs. 8,686 pc
Semi-minor axis: 8,151 pc vs. 8,574 pc
Focus-to-center
: 664 pcvs. 1,388 pcSemilatus rectum : 8,124 pc vs. 8,464 pc
Perigalacticon: 7,514 pc vs. 7,297 pc
Apogalacticon
: 8,842 pcvs. 10,074 pcSome Tabulated XHIP Data for Hassaleh
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 74.24840149° ±0.32 mas | 2.80 ±0.40 mas/yr. |
| Declination: | 33.16613574° ±0.21 mas | -18.60 ±0.40 mas/yr. |
| Galactic Longitude: | 170.58998799° | 16.35 mas/yr. |
| Galactic Latitude: | -6.15950177° | -9.30 mas/yr. |
Parallax: 6.61 ± 0.38 mas
Spectrography
Spectral Type: K3II-III 1989ApJS...71..245K.
Radial Velocity: 17.78 ±0.25 km/s [A rating] 2005A&A...430..165F.
Iron Abundance [Fe/H]:
-0.08 dex
2007A&A...475.1003H, 1990ApJS...74.1075M.
Photometry
| band | magnitude | Abs. Mag. |
| U | ||
| B | 4.18 | -1.71 |
| V | 2.69 | -3.20 |
| R | ||
| I | 1.40 | -4.49 |
| J | -0.03 | -5.92 |
| H | -0.68 | -6.57 |
| K | -0.84 | -6.73 |
B-V: +1.49 V-I: +1.29
Derivations
Heliocentric distance: 150.69 pc (5.7% margin of error)
Galactocentric distance: 7,548 pc
Transverse velocity: 13.4 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | -147.8 pc | 24.5 pc | -16.2 pc |
| Velocity (U, V, W) | -18.6 km/s | -8.7 km/s | -8.5 km/s |