12206-2213 BU 1245 AB

 
 
12h 20m 33.71s -22° 12' 57.0" P.A. 74.00 sep 17.8 mag 5.21,13.70 Sp B8Vne dist. 127.39 pc (415.55 l.y.)
 
 
Coord 2000 12206-2213 Discov num BU 1245 Comp AB Coord arcsec 2000 12 20 33.71 -22 12 57.0
Date first 1891 Date last 2015 Obs 8
Pa first 42 Pa last 73.9 P.A. Now (θ) 73.9°
Sep first 4.8 Sep last 17.82 Sep. Now (ρ) 17.82"
Mag pri 5.21 Mag sec 13.70 delta mag (ΔM) 8.49 Spectral class B8Vne (blue-white)
Pri motion ra -109 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
12206-2213 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 180700 12 20 34 -22 12 57 BU 1245 AB 2015 8 74 17.8 5.21 13.70 8.49 <===
Show Zet Crv 180700 12 20 34 -22 12 57 BU 1245 A,CD 2018 7 295 347.8 5.17 6.04 0.87
Show 180695 12 20 11 -22 10 32 BU 605 CD 2018 41 268 0.5 6.29 8.05 1.76
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Corvus SAO 180700 HIP 60189 Tycho2 6108-01477-1
Gaia DR2 3514115032970667136 HD 107348 HR 4696 GC 16830
ADS 8517 BD BD-21 3514 Bayer Zeta Corvi Bayer name Zet Crv
Flamsteed 5 Corvi Flamsteed name 5 Crv Distance 127.39 Distance ly 415.55
Bayer greek ζ Crv