21091+3844 S   779

 
 
21H 09M 08.32S +38 43' 45.1" P.A. 9 SEP 110.6 MAG 7.61,9.57 SP K2
 
 
Coord 2000
21091+3844
Discov num
S   779
Comp
Coord arcsec 2000
21 09 08.32 +38 43 45.1
Date first
1824
Date last
2012
Obs
20
Pa first
11
Pa last
9
P.A. Now (θ)
Sep first
114.8
Sep last
110.6
Sep. Now (ρ)
110.6"
Mag pri
7.61
Mag sec
9.57
delta mag (ΔM)
1.96
Spectral class
K2 (yellow-orange)
Pri motion ra
+002
Sec motion ra
-015
Pri motion dec
-003
Sec motion dec
-021
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
Tycho2
3168-00056-1
HD
201561
last precise pa
8.9
last precise sep
110.6