Alpha Lupi

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Star
α Lupi
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation wolf
Right ascension 14 h 41 m 55.76 s
declination -47 ° 23 ′ 17.5 ″
Apparent brightness 2.3 (2.29 to 2.34) mag
Typing
B − V color index −0.20 
U − B color index −0.89 
R − I index −0.17 
Spectral class B1.5 III
Variable star type BCEP 
Astrometry
Radial velocity (+5.4 ± 0.7) km / s
parallax (7.02 ± 0.17)  mas
distance (465 ± 11)  ly
(142.5 ± 3.4)  pc  
Visual absolute brightness M vis approx. −3.5 mag
Proper movement 
Rec. Share: (−20.94 ± 0.14)  mas / a
Dec. portion: (−23.67 ± 0.14)  mas / a
Physical Properties
Other names
and catalog entries
Bayer name α lupi
Cordoba Survey CD −46 ° 9501
Bright Star Catalog HR 5469 [1]
Henry Draper Catalog HD 129056 [2]
Hipparcos catalog HIP 71860 [3]
SAO catalog SAO 225128 [4]
Tycho catalog TYC 8283-4134-1 [5]
2MASS catalog 2MASS J14415577-4723174 [6]
Other names FK5  541

α Lupi ( Alpha Lupi ) is a star in the constellation Wolf . Alpha Lupi has an apparent magnitude of 2.3 mag and belongs to the spectral class B1.5 III. It is one of the 100 brightest stars in the night sky.

Other names: Men, Kakkab.

Web links

Notes and evidence

  1. ↑ a b c Hipparcos catalog (ESA 1997)
  2. ↑ a b alf Lup. In: VSX. AAVSO, accessed October 10, 2018 .
  3. ↑ a b c Bright Star Catalog
  4. ↑ Pulkovo radial velocities for 35493 HIP stars
  5. ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)
  6. ↑ roughly estimated from apparent brightness and distance