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Capella Aa
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Star Capella Aa

Multiple star system Capella Aa is located 44 light years away from the Sun. It is a system with 4 stars. For now, there are no known exoplanets in this star system.
Sun distance
44 light years
galaxy map

Capella Aa

Yellow giant, Spectroscopic binary
Spectral class: G3III:

Location

Ascension iconRight ascension: 5h 17m 24.002s
Declination iconDeclination: 45° 50' 16.065'' (northern hemisphere)
Parallax iconParallax: 74.952
Distance iconSun distance: 43.515 ly | 13.3 pc

Basic characteristic

icon weight
Mass: 256.9 % M Sun | 2691 M Jupiter
radius icon
Size: 1198 % R Sun | 119.2 R Jupiter
temperature iconTemperature: 4970 K | 0.86 T Sun
luminosity iconLuminosity: 78.7 L Sun

Photometry

Magnitude iconApparent magnitude (V): 0.1
Magnitude iconAbsolute magnitude (V): -0.5
5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

Capella Ab

Red giant, , Spectroscopic binary
Spectral class: K0III

Basic characteristic

icon weight
Mass: 248.3 % M Sun | 2601 M Jupiter
radius icon
Size: 883 % R Sun | 87.9 R Jupiter
temperature iconTemperature: 5730 K | 0.99 T Sun
luminosity iconLuminosity: 72.7 L Sun

Capella H

Red dwarf, High proper motion star
Spectral class: M2.5 V

Basic characteristic

icon weight
Mass: 57 % M Sun | 597 M Jupiter
radius icon
Size: 54 % R Sun | 5.4 R Jupiter
temperature iconTemperature: 3700 K | 0.64 T Sun
luminosity iconLuminosity: 0.05 L Sun

Photometry

5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

Capella L

Red dwarf, High proper motion star
Spectral class: M4

Basic characteristic

icon weight
Mass: 53 % M Sun | 555 M Jupiter
radius icon
Size: 60 % R Sun | 5.7 R Jupiter (estimate)

Photometry

Magnitude iconApparent magnitude (V): 13.7
Magnitude iconAbsolute magnitude (V): 13.1
5
10
15
20
25
30
35
K
2.1
H
1.6
J
1.2
Grp
0.8
I
0.8
G
0.6
V
0.5
Gbp
0.5
B
0.4
U
0.3
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

Capella Aa system structure

 Capella Aa
Capella Ab
Capella H
Capella L
More about Capella Aa
       Capella Aa can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
G 96-29, LTT 11622, NLTT 14788, PPM 47938, 2MASS J05172386+4550229, 13 Aur, ANJ 1, FRH 1A, ADS 3841 AP, CEL 586, 2E 1239, FK5 193, GJ 194, Gliese 194, HD 34029, HIC 24608, HIP 24608, HR 1708, JP11 1010, LSPM J0516+4559, LTT 11619, 2MASS J05164138+4559525, N30 1121, NLTT 14766, NSV 1897, SBC7 214, TIC 368326352, TYC 3358-3141-1, UBV 5009, VVO 236, YPAC 23, Alhajoth, Hokulei, α Aurigae, 13 Aurigae, Capella, Alpha Aurigae, Gaia EDR3 211810233512673792
External sources
simbad icon
Simbad database (G 96-29B)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 211810233512673920)
Archive from the Gaia mission
Closest stars

 UCAC4 672-033085
 - 2.1 ly

2MASS J0505+4648
 - 4 ly

Lambda Aurigae
 1.1 M☉ 4.9 ly

Gliese 1073
 - 5.3 ly

BD+52 911
 - 6.2 ly
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