12206-2213 BU 1245A,CD

 
 
12h 20m 33.71s -22 12' 57.0" P.A. 295 sep 347.8 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
2018
Obs
7
Pa first
295
Pa last
295
P.A. Now (θ)
295°
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
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 1998 7 72 15.9 5.21 13.70 8.49
Show 180695 12206-2213 BU 1245 A,CD 1991 2018 7 295 347.8 5.17 6.04 0.87 <===
Show 180695 12206-2213 BU 605 CD 1870 2018 41 268 0.5 6.29 8.05 1.76
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
294.5
Precise sep
347.8
Constellation
Corvus
SAO
180700
HIP
60189
Gaia DR2
32970667136
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
 
 
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
12206-2213 BU 1245 A,CD 2010 6 294 349.1 5.17 6.04 B8Vne+G3I NV 122033.71-221257.0
12206-2213 BU 1245 A,CD 2018 7 295 347.8 5.17 6.04 B8Vne+G3I NV 122033.71-221257.0

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