12206-2213 BU 1245 A,CD (Zet Crv)

 
 
12h 20m 33.71s -22° 12' 57.0" P.A. 295.00 sep 347.8 mag 5.17,6.04 Sp B8V+G3IV dist. 127.39 pc (415.55 l.y.)
 
 
Coord 2000 12206-2213 Discov num BU 1245 Comp A,CD Coord arcsec 2000 12 20 33.71 -22 12 57.0
Date first 1991 Date last 2018 Obs 7
Pa first 295 Pa last 294.5 P.A. Now (θ) 294.5°
Sep first 349.1 Sep last 347.8 Sep. Now (ρ) 347.8"
Mag pri 5.17 Mag sec 6.04 delta mag (ΔM) 0.87 Spectral class B8V+G3IV (blue-white/yellow)
Pri motion ra -109 Sec motion ra -109
Pri motion dec -023 Sec motion dec -023
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
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
 
 
Name Zet Crv 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 Distance 127.39 Distance ly 415.55 Bayer greek ζ Crv