Azha, an orange giant star in Eridanus
Azha is an orange giant star in the constellation Eridanus. At 136 light years away, it is the 460th brightest star in the Earth's sky, where it shines at an apparent visual magnitude of 3.89.
Azha (HIP 13701)
Azha is an orange giant star in the constellation Eridanus. At 136 light years away, it is the 460th brightest star in the Earth's sky, where it shines at an apparent visual magnitude of 3.89. The iron abundance of Azha is -0.08 (83.2% of the Sun). It is moving through the Galaxy at a speed of 50.6 km/s relative to the Sun. Its projected Galactic orbit carries it between 14,500 and 26,200 light years from the center of the Galaxy.
Sky position: RA 2h 56.4m, Dec -8° 54'
Common designations: Azha, Eta Eridani, 3 Eridani, HIP 13701, HD 18322
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Brightest stars in Eridanus:
(list all)
| Rank | Mag. | Star |
| 4 | 2.97 | Zaurak |
| 5 | 3.52 | Rana |
| 6 | 3.55 | Upsilon-4 Eridani |
| 7 | 3.56 | Phi Eridani |
| 8 | 3.69 | chi Eridani |
| 9 | 3.70 | Tau-4 Eridani |
| 10 | 3.72 | Epsilon Eridani |
| 11 | 3.81 | Theemim |
| 12 | 3.86 | Sceptrum |
13
| 3.89
) Azha
| Rank | Mag. | Star |
| 14 | 3.93 | Nu Eridani |
| 15 | 3.97 | 43 Eridani |
| 16 | 4.01 | Mu Eridani |
| 17 | 4.04 | Beid |
| 18 | 4.08 | Tau-3 Eridani |
| 19 | 4.11 | Iota Eridani |
| 20 | 4.17 | g Eridani |
Hover over other bright stars to identify or click to jump.
Galactic Orbit of Azha
(compared to the Sun)
E
ccentricity: 28.8% vs. 16.0%Angle φ : 142.9°vs. 26.0°
Semi-major axis : 6,235 pc vs. 8,686 pc
Semi-minor axis: 5,970 pc vs. 8,574 pc
Focus-to-center
: 1,797 pcvs. 1,388 pcSemilatus rectum : 5,717 pc vs. 8,464 pc
Perigalacticon: 4,438 pc vs. 7,297 pc
Apogalacticon
: 8,032 pcvs. 10,074 pcSome Tabulated XHIP Data for Azha
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 44.10668253° ±0.15 mas | 77.36 ±0.19 mas/yr. |
| Declination: | -8.89760992° ±0.12 mas | -220.16 ±0.20 mas/yr. |
| Galactic Longitude: | 187.15497867° | 223.83 mas/yr. |
| Galactic Latitude: | -55.31110087° | -65.99 mas/yr. |
Parallax: 23.89 ± 0.19 mas
Spectrography
Spectral Type: K0 III 1999MSS...C05....0H.
Radial Velocity: -20.30 ±0.70 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
-0.08 dex
2011A&A...525A..71W, 2007A&A...475.1003H, 2006A&A...458..609D, 2001ApJ...551..L85Z, 1990ApJS...74.1075M.
Photometry
| band | magnitude | Abs. Mag. |
| U | ||
| B | 4.98 | 1.87 |
| V | 3.89 | 0.78 |
| R | ||
| I | 2.94 | -0.17 |
| J | 2.12 | -0.99 |
| H | 1.58 | -1.53 |
| K | 1.47 | -1.64 |
B-V: +1.09 V-I: +0.95
Derivations
Heliocentric distance: 41.86 pc (0.8% margin of error)
Galactocentric distance: 7,424 pc
Transverse velocity: 46.3 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | -23.6 pc | -3.0 pc | -34.4 pc |
| Velocity (U, V, W) | 27.7 km/s | -41.3 km/s | 9.2 km/s |