20331+4113 MZA  26CH

 
 
20H 33M 09.60S +41 13' 00.6" P.A. 102 SEP 7.9 MAG 12.86,17.10 SP O9V
 
 
Coord 2000
20331+4113
Discov num
MZA  26
Comp
CH
Coord arcsec 2000
20 33 09.60 +41 13 00.6
Date first
1998
Date last
2007
Obs
3
Pa first
101
Pa last
102
P.A. Now (θ)
102°
Sep first
7.7
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
12.86
Mag sec
17.10
delta mag (ΔM)
4.24
Spectral class
O9V (blue)
Pri motion ra
-011
Sec motion ra
Pri motion dec
-000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
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
101.7
last precise sep
7.892