12186+2148 GRV 854

 
 
12h 18m 38.41s +21 48' 15.9" P.A. 49 sep 72.2 mag 11.12,12.72
 
 
Coord 2000
12186+2148
Discov num
GRV 854
Comp
Coord arcsec 2000
12 18 38.41 +21 48 15.9
Date first
1892
Date last
2010
Obs
4
Pa first
49
Pa last
49
P.A. Now (θ)
49°
Sep first
71.9
Sep last
72.2
Sep. Now (ρ)
72.2"
Mag pri
11.12
Mag sec
12.72
delta mag (ΔM)
1.6
Spectral class
Pri motion ra
+016
Sec motion ra
+016
Pri motion dec
-015
Sec motion dec
-015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.8
Precise sep
72.16
Constellation
Coma Berenices
Tycho2
1447-01181-1
last precise pa
48.8
last precise sep
72.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12186+2148 GRV 854 2000 3 49 72.1 10.90 12.40 D 121838.41+214815.9
12186+2148 GRV 854 2001 4 49 72.1 10.90 12.40 D 121838.41+214815.9
12186+2148 GRV 854 2010 4 49 72.2 11.12 12.72 121838.41+214815.9

If you need more information about this double, apply for a data request form to the WDS.