21111+3821 ES  207

 
 
21H 11M 09.50S +38 20' 19.4" P.A. 245 SEP 2.8 MAG 10.37,10.76
 
 
Coord 2000
21111+3821
Discov num
ES  207
Comp
Coord arcsec 2000
21 11 09.50 +38 20 19.4
Date first
1904
Date last
2012
Obs
13
Pa first
244
Pa last
245
P.A. Now (θ)
245°
Sep first
2.5
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.37
Mag sec
10.76
delta mag (ΔM)
0.39
Spectral class
Pri motion ra
+000
Sec motion ra
-010
Pri motion dec
-098
Sec motion dec
-105
Notes
rPM=0.116 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
3169-02334-2
last precise pa
245
last precise sep
2.83