18463+5630 DAL  31

 
 
18h 46m 20.65s +56 29' 46.4" P.A. 265 sep 49.3 mag 10.56,11.02
 
 
Coord 2000
18463+5630
Discov num
DAL  31
Comp
Coord arcsec 2000
18 46 20.65 +56 29 46.4
Date first
1903
Date last
2010
Obs
8
Pa first
265
Pa last
265
P.A. Now (θ)
265°
Sep first
49.8
Sep last
49.3
Sep. Now (ρ)
49.3"
Mag pri
10.56
Mag sec
11.02
delta mag (ΔM)
0.46
Spectral class
Pri motion ra
+001
Sec motion ra
+000
Pri motion dec
+063
Sec motion dec
+064
Notes
V (Proper motion indicates physical)
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.9
Precise sep
49.3
Constellation
Draco
Tycho2
3926-01088-1
last precise pa
264.9
last precise sep
49.3
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18463+5630 DAL 31 2006 6 265 49.3 10.56 11.02 DV 184620.65+562946.4
18463+5630 DAL 31 2010 8 265 49.3 10.56 11.02 V 184620.65+562946.4

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