Avior, an orange giant star in Carina
Avior is an orange giant star in the constellation Carina. At 600 light years away, it is the 40th brightest star in the Earth's sky, where it shines at an apparent visual magnitude of 1.86.
Avior (HIP 41037)
Avior is an orange giant star in the constellation Carina. At 600 light years away, it is the 40th brightest star in the Earth's sky, where it shines at an apparent visual magnitude of 1.86. Avior is a multiple-star system. It is moving through the Galaxy at a speed of 31.7 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,600 and 26,100 light years from the center of the Galaxy.
Sky position: RA 8h 22.5m, Dec -59° 30.6'
Common designations: Avior, Epsilon Carinae, HIP 41037, HD 71129
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Brightest stars in Carina:
(list all)
1
| -0.62
) Canopus
| Rank | Mag. | Star |
| 2 | 1.67 | Miaplacidus |
3
| 1.86
) Avior
| Rank | Mag. | Star |
| 4 | 2.21 | Tureis |
| 5 | 2.74 | Theta Carinae |
| 6 | 2.92 | Upsilon Carinae |
| 7 | 3.29 | Omega Carinae |
| 8 | 3.30 | p Carinae |
| 9 | 3.39 | q Carinae |
| 10 | 3.43 | a Carinae |
| 11 | 3.46 | chi Carinae |
| 12 | 3.69 | l Carinae |
| 13 | 3.78 | u Carinae |
| 14 | 3.81 | s Carinae |
| 15 | 3.84 | c Carinae |
| 16 | 3.93 | x Carinae |
| 17 | 3.96 | i Carinae |
Galactic Orbit of Avior
(compared to the Sun)
E
ccentricity: 5.0% vs. 16.0%Angle φ : -54.7°vs. 26.0°
Semi-major axis : 7,622 pc vs. 8,686 pc
Semi-minor axis: 7,613 pc vs. 8,574 pc
Focus-to-center
: 383 pcvs. 1,388 pcSemilatus rectum : 7,603 pc vs. 8,464 pc
Perigalacticon: 7,239 pc vs. 7,297 pc
Apogalacticon
: 8,005 pcvs. 10,074 pcSome Tabulated XHIP Data for Avior
(see also: SIMBAD)
Astrometry
2007A&A...474..653V
| Position | Proper Motion | |
| Right Ascension: | 125.62860249° ±0.46 mas | -25.52 ±0.54 mas/yr. |
| Declination: | -59.50953781° ±0.41 mas | 22.06 ±0.51 mas/yr. |
| Galactic Longitude: | 274.28557700° | -32.36 mas/yr. |
| Galactic Latitude: | -12.60094208° | -9.52 mas/yr. |
Parallax: 5.39 ± 0.42 mas
Spectrography
Spectral Type: K3: III + B2: V 1975MSS...C01....0H.
Radial Velocity: 11.60 ±0.50 km/s [A rating] 2006AstL...32..759G.
Iron Abundance [Fe/H]:
n/a
Photometry
band
magnitude
Abs. Mag.
U
B
3.06
-3.27
V
1.86
-4.47
R
I
0.92
-5.41
J
-0.79
-7.11
H
-1.56
-7.89
K
-1.78
-8.11
B-V: +1.20 V-I: +0.94
Derivations
Heliocentric distance: 184.19 pc (7.8% margin of error)
Galactocentric distance: 7,389 pc
Transverse velocity: 29.5 km/s
3D heliocentric position and motion:
|
toward: |
Galactic center | Galactic rotation | North Galactic Pole |
| Position ( X, Y, Z) | 13.4 pc | -179.2 pc | -40.2 pc |
| Velocity (U, V, W) | -27.5 km/s | -11.6 km/s | -10.6 km/s |