21138+3225 DAM1261

 
 
21H 13M 49.49S +32 25' 16.1" P.A. 339 SEP 19.4 MAG 9.20,11.60 SP F8
 
 
Coord 2000
21138+3225
Discov num
DAM1261
Comp
Coord arcsec 2000
21 13 49.49 +32 25 16.1
Date first
1924
Date last
2015
Obs
9
Pa first
340
Pa last
339
P.A. Now (θ)
339°
Sep first
18.1
Sep last
19.4
Sep. Now (ρ)
19.4"
Mag pri
9.20
Mag sec
11.60
delta mag (ΔM)
2.4
Spectral class
F8 (yellow-white)
Pri motion ra
+025
Sec motion ra
+025
Pri motion dec
-008
Sec motion dec
-008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
SAO
71094
Tycho2
2706-01945-1
last precise pa
339.4
last precise sep
19.36