20334+4109 WSI  67AB

 
 
20h 33m 23.46s +41 09' 12.9" P.A. 324.00 sep 0.7 mag 12.50,12.90 Sp O5.5V
 
 
Coord 2000
20334+4109
Discov num
WSI  67
Comp
AB
Coord arcsec 2000
20 33 23.46 +41 09 12.9
Date first
2005
Date last
2008
Obs
7
Pa first
325
Pa last
324
P.A. Now (θ)
324°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
12.50
Mag sec
12.90
delta mag (ΔM)
0.4
Spectral class
O5.5V (blue)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
V (Proper motion indicates physical)
Visually invisible, K-band or other infrared star This double is physical.
 
 
20334+4109 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20334+4109 WSI 67 AB 2005 2008 7 324 0.7 12.50 12.90 0.40 <===
Show 20334+4109 CAN 56 AC 2005 2005 3 308 4.4 6.10 9.20 3.10
Show 20334+4109 CAN 56 AD 1998 2014 7 269 11.7 6.10 11.30 5.20
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323.9
Precise sep
0.713
Constellation
Cygnus
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20334+4109 WSI 67 AB 2008 7 324 0.7 12.50 12.90 O5.5V V 203323.46+410912.9

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