12206-2213 BU 1245A,CD

 
 
12h 20m 33.71s -22 12' 57.0" P.A. 295 sep 349.2 mag 5.17,6.04 Sp B8Vne+G3I 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
2000
Obs
6
Pa first
295
Pa last
295
P.A. Now (θ)
295°
Sep first
349.1
Sep last
349.2
Sep. Now (ρ)
349.2"
Mag pri
5.17
Mag sec
6.04
delta mag (ΔM)
0.87
Spectral class
B8Vne+G3I (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_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
294.5
Precise sep
349.193
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
294.5
last precise sep
349.193
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12206-2213 BU 1245 A,CD 2000 4 295 349.2 5.20 6.30 B8Vne+G3I V 122033.71-221257.0

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