Sabik

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Double star
Sabik (η Ophiuchi)
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Snake bearer
Right ascension 17 h 10 m 22.7 s
declination -15 ° 43 ′ 29 ″
Apparent brightness 2.43 mag
Typing
Spectral class A2 IV-V
Astrometry
Radial velocity (−2.4 ± 0.3) km / s
parallax (36.91 ± 0.80)  mas
distance (88 ± 2)  ly
(27)  pc
Physical Properties
Other names
and catalog entries
Bayer name η Ophiuchi
Flamsteed name 35 Ophiuchi
Bonn survey BD -15 ° 4467
Bright Star Catalog HR 6378 [1]
Henry Draper Catalog HD 155125 [2]
Hipparcos catalog HIP 84012 [3]
SAO catalog SAO 160332 [4]
2MASS catalog 2MASS J17102267-1543298 [5]
Other names Sabik

Sabik (from Arabic سابق, DMG sabīq  'preceding') is the name of the star Eta Ophiuchi (η Ophiuchi) in the constellation of the Serpent Bearer . Sabik has an apparent brightness of +2.43 mag and belongs to the spectral class A2. The distance from Sabik is less than 90 light years ( Hipparcos database).

See also

Web links

Individual evidence

  1. ↑ a b Hipparcos catalog (ESA 1997)
  2. ↑ a b c eta Oph. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed October 29, 2018 .