半人馬座υ
Sign in to saveAlso known as υ1 Cen, υ¹ Cen, υ1 Centauri, HD 121790, HIP 68282, HIC 68282, HGAM 2022, HR 5249
star in the constellation Centaurus
In the Vinony graph
Within Vinony's link graph, 半人馬座υ is referenced by 250 other articles, and connects out to Alpha Centauri, stellar classification and year.
It is catalogued under topics including Bayer objects, Bright Star Catalogue objects and B-type main-sequence stars.
Its subject is documented across 8 Wikipedia language editions.
Astronomical data · SIMBAD
- Object type
- Pu*
- Spectral type
- B2IV-V
- Distance
- 427 light-years
- Redshift
- z = 0.00001601120474892248
- Coordinates
- RA 209.6698° · Dec -44.8036°
via SIMBAD · CDS Strasbourg
Wikidata facts
- Constellation
- Centaurus
- Distance from Earth
- 114.6119
Show 13 more facts
- spectral class
- B3
- catalog code
- SKY# 25632
- apparent magnitude
- 4.469
- right ascension
- 209.66962190154
- declination
- -44.80368370039
- effective temperature
- 21820
- parallax
- 7.63
- radial velocity
- 4.8
- epoch
- J2000.0
- luminosity
- 1884
- absolute magnitude
- -1.67
- right ascension component of proper motion
- -25
- declination component of proper motion
- -26
Sources (2)
via Wikidata · CC0
Article · 中文
柱一(半人馬座υ1) 是位於南半球星座半人馬座的一顆恆星，意思是支撐庫樓的第一根柱子。它呈現藍白色的色調，視星等 +3.87，是肉眼可見的恆星。根據視差的測量，它與地球的距離約為427光年，並且以 +9km/s 的徑向速度退行。它是天蠍-半人馬星協的下半人馬-南十字的成員。 它的恆星分類是B2IV/V，這與大質量的B型恆星和光度分類是主序星和次巨星混和特徵的恆星。它的年齡是1,300萬，投影旋轉速度為124km/s。這顆恆星的質量是太陽的7.9倍，半徑是太陽的3.7倍。它的輻射量是太陽輻射的1,884倍，是由它的光球有效溫度21,411K導出的。
Abstract from DBpedia / Wikipedia · CC BY-SA