20331+4113 MZA  26CD

 
 
20H 33M 09.60S +41 13' 00.6" P.A. 31 SEP 11.2 MAG 12.86,13.40 SP O9V
 
 
Coord 2000
20331+4113
Discov num
MZA  26
Comp
CD
Coord arcsec 2000
20 33 09.60 +41 13 00.6
Date first
1998
Date last
2007
Obs
4
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
11.3
Sep last
11.2
Sep. Now (ρ)
11.2"
Mag pri
12.86
Mag sec
13.40
delta mag (ΔM)
0.54
Spectral class
O9V (blue)
Pri motion ra
+018
Sec motion ra
+000
Pri motion dec
+006
Sec motion dec
-002
Notes
rPM=1.038
This double is not physical.
 
 
20331+4113 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20331+4113 WSI 66 AB 2005 2008 7 146 1.5 12.30 12.70 0.40
Show 20331+4113 MZA 26 AC 1998 2007 4 152 20.4 12.30 12.90 0.60
Show 20331+4113 MZA 26 Ba,Bb 2005 2007 3 180 0.3 12.70 15.50 2.80
Show 20331+4113 MZA 26 CD 1998 2007 4 31 11.2 12.86 13.40 0.54 <===
Show 20331+4113 MZA 26 CE 2005 2007 2 218 2.8 12.86 13.60 0.74
Show 20331+4113 MZA 26 CG 2005 2007 2 32 3.9 12.86 16.80 3.94
Show 20331+4113 MZA 26 CH 1998 2007 3 102 7.9 12.86 17.10 4.24
Show 20331+4113 MZA 26 CI 2002 2007 3 58 10.4 12.86 17.40 4.54
Show 20331+4113 MZA 26 EF 2005 2007 2 189 1.9 13.60 15.50 1.90
Decuple system
9 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
30.9
last precise sep
11.179