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
 
 
Precise pa
70.8
Precise sep
15.8
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