20311+4203 CAN   2

 
 
20h 31m 08.38s +42 02' 42.3" P.A. 276 sep 0.4 mag 11.80,15.00 Sp O9.7II
 
 
Coord 2000
20311+4203
Discov num
CAN   2
Comp
Coord arcsec 2000
20 31 08.38 +42 02 42.3
Date first
2006
Date last
2006
Obs
1
Pa first
276
Pa last
276
P.A. Now (θ)
276°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
11.80
Mag sec
15.00
delta mag (ΔM)
3.2
Spectral class
O9.7II (blue)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
276.1
last precise sep
0.357
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311+4203 CAN 2 2006 1 276 0.4 11.80 15.00 O9.7II 203108.38+420242.3

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