12158-1733 RBR   5 (Gam Crv)

 
 
12h 15m 48.37s -17 32' 30.9" P.A. 106 sep 1.1 mag 2.60,9.70 Sp B8III+K9V dist. 47.1 pc (153.64 l.y.)
 
 
Coord 2000
12158-1733
Discov num
RBR   5
Comp
Coord arcsec 2000
12 15 48.37 -17 32 30.9
Date first
2002
Date last
2010
Obs
4
Pa first
97
Pa last
106
P.A. Now (θ)
106°
Sep first
1.1
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
2.60
Mag sec
9.70
delta mag (ΔM)
7.1
Spectral class
B8III+K9V (blue-white/yellow-orange)
Pri motion ra
-160
Sec motion ra
Pri motion dec
+022
Sec motion dec
Notes
N V R (See Notes, Proper motion indicates physical, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
106.4
Precise sep
1.112
Name
Gam Crv
Constellation
Corvus
SAO
157176
HIP
59803
HD
106625
HR
4662
GC
16740
BD
BD-16 3424
Bayer
Gamma Corvi
Bayer name
Gam Crv
Flamsteed
4 Corvi
Flamsteed name
4 Crv
Distance
47.1
Distance ly
153.64
last precise pa
106.4
last precise sep
1.112
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12158-1733 RBR 5 2002 1 97 1.1 2.48   B8III+K9V D 121548.37-173230.9
12158-1733 RBR 5 2009 2 107 1.1 2.48   B8III+K9V D 121548.37-173230.9
12158-1733 RBR 5 2010 4 106 1.1 2.48   B8III K9V VD 121548.37-173230.9

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