12021+1521 WFC 122

 
 
12h 02m 06.34s +15 20' 41.7" P.A. 141 sep 8.1 mag 10.24,10.61
 
 
Coord 2000
12021+1521
Discov num
WFC 122
Comp
Coord arcsec 2000
12 02 06.34 +15 20 41.7
Date first
1904
Date last
2012
Obs
9
Pa first
142
Pa last
141
P.A. Now (θ)
141°
Sep first
8.1
Sep last
8.1
Sep. Now (ρ)
8.1"
Mag pri
10.24
Mag sec
10.61
delta mag (ΔM)
0.37
Spectral class
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
-041
Sec motion dec
-041
Notes
rPM=0.048 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141
Precise sep
8.11
Constellation
Coma Berenices
Tycho2
1442-01706-1
HD
104505
last precise pa
141
last precise sep
8.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12021+1521 WFC 122 2005 6 141 8.4 10.24 10.61 D 120206.34+152041.7
12021+1521 WFC 122 2012 8 141 8.1 10.24 10.61 D 120206.34+152041.7

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