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
2015
Obs
8
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
241.8
Precise sep
8.707
Constellation
Coma Berenices
Gaia DR2
97323063808
 
 
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
12302+1713 GRV 856 2015 8 242 8.7 11.60 11.70 123017.81+171303.1

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