20311+3253 SKF2393

 
 
20h 31m 07.58s +32 52' 54.5" P.A. 330 sep 3.5 mag 10.70,15.00 Sp OB
 
 
Coord 2000
20311+3253
Discov num
SKF2393
Comp
Coord arcsec 2000
20 31 07.58 +32 52 54.5
Date first
1999
Date last
2015
Obs
3
Pa first
335
Pa last
330
P.A. Now (θ)
330°
Sep first
3.3
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.70
Mag sec
15.00
delta mag (ΔM)
4.3
Spectral class
OB (blue)
Pri motion ra
+012
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
330.4
Precise sep
3.47
Constellation
Cygnus
Tycho2
2689-01176-1
Gaia DR2
73959180800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311+3253 SKF2393 1999 1 335 3.3 10.70 15.00 OB 203107.58+325254.5
20311+3253 SKF2393 2015 2 331 3.5 10.70 15.00 OB 203107.58+325254.5

If you need more information about this double, apply for a data request form to the WDS.