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Omicron Persei Aa
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Star Omicron Persei Aa

Triple star system Omicron Persei Aa is located 1079 light years away from the Sun. It is a system with 3 stars. For now, there are no known exoplanets in this star system.
Sun distance
1079 light years
galaxy map

Omicron Persei Aa

Blue Giant
Spectral class: B1III

Location

Ascension iconRight ascension: 3h 44m 19.145s
Declination iconDeclination: 32° 17' 17.532'' (northern hemisphere)
Parallax iconParallax: 3.022
Distance iconSun distance: 1079.146 ly | 330.9 pc

Basic characteristic

icon weight
Mass: 1400 % M Sun | 14666 M Jupiter
radius icon
Size: 960 % R Sun | 95.5 R Jupiter
temperature iconTemperature: 22700 K | 3.93 T 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).

Omicron Persei Ab

Blue-white star
Spectral class: B2V

Basic characteristic

icon weight
Mass: 1000 % M Sun | 10476 M Jupiter
radius icon
Size: 890 % R Sun | 88.6 R Jupiter
temperature iconTemperature: 21000 K | 3.63 T Sun

Omicron Persei B

Yellow-White star

Basic characteristic

Photometry

Magnitude iconApparent magnitude (V): 6.7
Magnitude iconAbsolute magnitude (V): -0.9
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).

Omicron Persei Aa system structure

Omicron Persei Aa
Omicron Persei Ab
Omicron Persei B
More about Omicron Persei Aa
       Omicron Persei 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
ο Persei, Atik, 38 Persei, ADS 2726 AB, BD+31°642, CCDM J03443+3217AB, GC 4461, GSC 02359-01258, HIP 17448, HR 1131, HD 23180, SAO 56673, WDS J03443+3217AB
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