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EntityQ14228· pop 27· linked from 254 articles

Also known as HD 118716, HR 5132, HIP 66657, HIC 66657, ε Cenaturi, ε Cen, eps Cen

star in the constellation Centaurus

Astronomical data · SIMBAD

Object type
bC*
Spectral type
B1III
Distance
427 light-years
Redshift
z = 0.000010006972925635793
Coordinates
RA 204.9719° · Dec -53.4664°
View on SIMBAD →

via SIMBAD · CDS Strasbourg

Wikidata facts

Constellation
Centaurus
Radius
6.25
Variable-star type
Beta Cephei variable
Show 14 more facts
stellar rotational velocity
160
absolute magnitude
-3.9
spectral class
B1
catalog code
ALS 14981
luminosity
11.4
apparent magnitude
2.99
right ascension
204.971907231
declination
-53.466391146
effective temperature
26450
parallax
7.63
radial velocity
3.0
epoch
J2000.0
right ascension component of proper motion
-16
declination component of proper motion
-22
Sources (2)

via Wikidata · CC0

Article · 中文

南门一(ε Cen / 半人馬座ε)是一顆位于半人馬座的恆星,英文俗名Al birdhaun或Birdun。 南门一是一顆藍白色的B型巨星,其視星等為+2.29。它被歸為仙王β型變星,而其光度會在+2.29和+2.31之間變動,周期為4.07小時。

Abstract from DBpedia / Wikipedia · CC BY-SA