12206-2213 BU 1245AB (Zet Crv)

 
 
12H 20M 33.71S -22 12' 57.0" P.A. 71 SEP 15.8 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
2000
Obs
8
Pa first
42
Pa last
71
P.A. Now (θ)
71°
Sep first
4.8
Sep last
15.8
Sep. Now (ρ)
15.8"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Zet Crv 180700 12206-2213 BU 1245 AB 1891 2000 8 71 15.8 5.21 13.70 8.49 <===
Show 180700 12206-2213 BU 1245 A,CD 1991 2000 6 295 349.2 5.17 6.04 0.87
Show 180695 12206-2213 BU 605 CD 1870 1996 40 232 0.4 6.29 8.05 1.76
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Zet Crv
Constellation
Corvus
SAO
180700
HIP
60189
HD
107348
HR
4696
GC
16830
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
last precise pa
70.8
last precise sep
15.8