21091+3822 SEI1417

 
 
21H 09M 05.34S +38 22' 38.8" P.A. 140 SEP 31.2 MAG 12.25,12.15
 
 
Coord 2000
21091+3822
Discov num
SEI1417
Comp
Coord arcsec 2000
21 09 05.34 +38 22 38.8
Date first
1895
Date last
2010
Obs
6
Pa first
130
Pa last
140
P.A. Now (θ)
140°
Sep first
29.3
Sep last
31.2
Sep. Now (ρ)
31.2"
Mag pri
12.25
Mag sec
12.15
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+021
Sec motion ra
-003
Pri motion dec
+048
Sec motion dec
+007
Notes
rPM=0.907
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
139.9
last precise sep
31.2