3 Centauri

3 Centauri

Starbox begin
name=3 Centauri A/B
Starbox observe
epoch=J2000.0
constell=Centaurus
ra=13h51m49.6s
dec=−32°59′40″
appmag_v=+4.56/+6.06
Starbox character
class=B5IIIp/B8V
b-v=−0.13
u-b=−0.60
variable=eclipsing binary?
Starbox astrometry
radial_v=+10
prop_mo_ra=−35.74
prop_mo_dec=−30.14
absmag_v=−0.23/+1.27
parallax=10.96
p_error=0.88
dist_ly=298
dist_pc=91.2
Starbox catalog
names=k Centauri, V983 Centauri, HR 5210/5211, HD 120709/120710, CD−32°9676, HIP 67669, SAO 204916/204917, GC 18724/18725, CCDM J13518-3300
Starbox reference
Simbad=HD+120709

3 Centauri is a binary star in the constellation Centaurus. It is approximately 298 light years from Earth.

The primary component, 3 Centauri A, is a blue-white B-type giant with a mean apparent magnitude of +4.56. It is a variable star, and its brightness varies from magnitude +4.27 to +4.32 It is suspected the variations in luminosity are a result of the primary being an eclipsing binary, which would mean the system would consist of at least three objects. Its more distant companion, 3 Centauri B, is located 7.9 arcseconds away. It is a blue-white B-type main sequence dwarf and has an apparent magnitude of +6.06.


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