21242+4801 SKF2397

 
 
21H 24M 12.51S +48 00' 39.9" P.A. 246 SEP 2.8 MAG 12.50,13.30 SP OB
 
 
Coord 2000
21242+4801
Discov num
SKF2397
Comp
Coord arcsec 2000
21 24 12.51 +48 00 39.9
Date first
2001
Date last
2005
Obs
3
Pa first
243
Pa last
246
P.A. Now (θ)
246°
Sep first
2.7
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
12.50
Mag sec
13.30
delta mag (ΔM)
0.8
Spectral class
OB (blue)
Pri motion ra
+008
Sec motion ra
+015
Pri motion dec
+003
Sec motion dec
-008
Notes
rPM=0.767
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
246.4
Precise sep
2.79
Constellation
Cygnus
last precise pa
246.4
last precise sep
2.79