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b Centauri
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Star b Centauri

Binary star b Centauri is located 339 light years away from the Sun. It consists of 2 blue giant stars. There is at least one exoplanet in this system.
Sun distance
339 light years
galaxy map

b Centauri A

Blue Giant
Spectral class: B3V C

Location

Ascension iconRight ascension: 14h 41m 57.6s
Declination iconDeclination: -37° 47' 36.594'' (southern hemisphere)
Parallax iconParallax: 9.62
Distance iconSun distance: 339.04 ly | 104 pc

Basic characteristic

icon weight
Mass: 630 % M Sun | 6600 M Jupiter
radius icon
Size: 293 % R Sun | 29.2 R Jupiter
temperature iconTemperature: 18445 K | 3.19 T Sun
time iconAge: 0.0184 billions years | 0 Sun
luminosity iconLuminosity: 637.01 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).

b Centauri B

Blue Giant

Basic characteristic

icon weight
Mass: 300 % M Sun | 3142.7 M Jupiter (estimate)
radius icon
Size: 1.5 R Sun (estimate)

System structure

b Centauri A AU
 b Centauri B b 556 AU 3465.2 M⊕ 1800000 days
b Centauri B AU
More about b Centauri
       b Centauri can be found in southern celestial hemisphere.
Other designations of this star
b Cen, HIP 71865, HIC 71865, HD 129116, CD−37°9618, FK5 2985, GC 19779, HR 5471, SAO 205839
External sources
icon study
A wide-orbit giant planet in the high-mass b Centauri binary system
Scientific study, 08. 12. 2021
News from this star system
calendar icon09. 12 2021
tag iconExoplanets
Article image:

VLT telescope imaged massive exoplanet orbiting the most massive star

Astronomers used Very Large Telescope (VLT) to image exoplanet b Centauri (AB) b. The newly discovered planet orbits pair of massive B-stars more than 300 light years away. All the exoplanets discovered up until now were found orbiting less massive stars.

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