Zuben-el-meticulousness

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Star
Zuben-el-Akribi (δ Librae)
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Libra
Right ascension 15 h 00 m 58.35 s
declination -08 ° 31 ′ 8.2 ″
Apparent brightness 4.93 (4.91 to 5.9) mag
Typing
Spectral class A0 V
Variable star type EA / SD 
Astrometry
parallax 8.33 ± 0.33  mas
distance 390  ly
120  pc
Physical Properties
Other names
and catalog entries
Bayer name δ Librae
Flamsteed name 19 Librae
Bonn survey BD -07 ° 3938
Bright Star Catalog HR 5586 [1]
Henry Draper Catalog HD 132742 [2]
Hipparcos catalog HIP 73473 [3]
SAO catalog SAO 140270 [4]
Tycho catalog TYC 5579-1166-1 [5]
2MASS catalog 2MASS J15005835-0831082 [6]
Other names Zuben-el-Akribi, FK5 1394

Zuben-el-Akribi (from arab .زبانى العقرب zubānā al-ʿaqrab 'the claw of the scorpion') is the name of the star δ Librae (Delta Librae) in the constellation Libra . It is about 400 light years away from Earth and belongs to the spectral class B9.5V. Zuben-el-Akribi is an eclipse variable of the Algol type. Its apparent brightness fluctuates between +4.91 mag and +5.9 mag with a period of 2.33 days.

Web links

Individual evidence

  1. ↑ a b c d del Lib. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed on March 13, 2020 .
  2. ↑ a b c del Lib. In: VSX. AAVSO , accessed March 13, 2020 .