Atik

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Double star
Atik (ο Persei)
At the bottom in the middle is Atik
AladinLite
Observation
dates equinox :  J2000.0 , epoch : J2000.0
Constellation Perseus
Right ascension 03 h 44 m 19.13 s
declination + 32 ° 17 ′ 17.8 ″
Apparent brightness 3.83 (3.79 to 3.88) mag
Typing
B − V color index (0.05) 
U − B color index (−0.75) 
R − I index (0.00) 
Spectral class B1 III / B2 V
Variable star type ELL 
Astrometry
Radial velocity (12.2 ± 0.5) km / s
parallax (2.91 ± 0.75)  mas
distance (1,100)  ly
(350)  pc
Proper movement 
Rec. Share: (8.18 ± 0.70)  mas / a
Dec. portion: (−10.43 ± 0.69)  mas / a
Physical Properties
Other names
and catalog entries
Bayer name ο Persei
Flamsteed name 38 Persei
Bonn survey BD + 31 ° 642
Bright Star Catalog HR 1131 [1]
Henry Draper Catalog HD 23180 [2]
Hipparcos catalog HIP 17448 [3]
SAO catalog SAO 56673 [4]
Tycho catalog TYC 2359-1258-1; 2359-1258-2 2359
2MASS catalog 2MASS J03441913 + 3217177 [5]
Other names Atik

Atik (also Al Atik , from Arabic العاتق, DMG al-ʿātiq  'the shoulder') is the proper name of the star ο Persei ( omicron Persei) in the constellation Perseus .

Atik is a spectroscopic binary star . The lighter component belongs to the spectral class B1 III and has an apparent brightness of +3.9 m . The second component with a brightness of +6.7 m has the spectral class B2 V and is therefore still a main sequence star . The system is about 1100 light years from the sun . The two stars orbit each other closely with an orbital period of only 4.4 days .

Use in pop culture

In the animated series Futurama , Omicron Persei 8 is the homeworld of the Omicronians, a race of giant reptiles under their ruler, the choleric Emperor Lrrr.

Web links

Individual evidence

  1. ↑ a b c d e f g h omi Per. In: SIMBAD . Center de Données astronomiques de Strasbourg , accessed September 15, 2018 .
  2. ↑ a b c d omi Per. In: VSX. AAVSO, accessed September 15, 2018 .