12302+1713 GRV 856

 
 
12h 30m 17.81s +17 13' 03.1" P.A. 242 sep 8.7 mag 11.60,11.70
 
 
Coord 2000
12302+1713
Discov num
GRV 856
Comp
Coord arcsec 2000
12 30 17.81 +17 13 03.1
Date first
1895
Date last
2014
Obs
7
Pa first
243
Pa last
242
P.A. Now (θ)
242°
Sep first
8.6
Sep last
8.7
Sep. Now (ρ)
8.7"
Mag pri
11.60
Mag sec
11.70
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-010
Sec motion ra
-030
Pri motion dec
-028
Sec motion dec
-031
Notes
rPM=0.469
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
241.7
Precise sep
8.69
Constellation
Coma Berenices
last precise pa
241.7
last precise sep
8.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12302+1713 GRV 856 2000 4 242 8.7 11.60 11.70 D 123017.81+171303.1
12302+1713 GRV 856 2001 5 242 8.7 11.60 11.70 D 123017.81+171303.1
12302+1713 GRV 856 2014 6 242 8.7 11.60 11.70 123017.81+171303.1

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