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
Cdsa2 id
RBR 5
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
Ra deg
12.263436111111112
De deg
-17.54191666666667
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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