20338+3312 J   190AC

 
 
20h 33m 44.02s +33 12' 08.8" P.A. 105 sep 9.1 mag 10.20,13.60
 
 
Coord 2000
20338+3312
Discov num
J   190
Comp
AC
Coord arcsec 2000
20 33 44.02 +33 12 08.8
Date first
1910
Date last
2015
Obs
8
Pa first
102
Pa last
105
P.A. Now (θ)
105°
Sep first
5.7
Sep last
9.1
Sep. Now (ρ)
9.1"
Mag pri
10.20
Mag sec
13.60
delta mag (ΔM)
3.4
Spectral class
Pri motion ra
-018
Sec motion ra
+012
Pri motion dec
-010
Sec motion dec
-021
Notes
rPM=1.321
This double is not physical.
 
 
20338+3312 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20338+3312 J 190 AB 1910 1952 5 342 2.4 10.20 12.20 2.00
Show 20338+3312 J 190 AC 1910 2015 8 105 9.1 10.20 13.60 3.40 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.2
Precise sep
9.103
Constellation
Cygnus
Tycho2
2690-00855-1
Gaia DR2
16447340800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20338+3312 J 190 AC 1999 6 107 9.0 10.29 14.40 D 203344.02+331208.8
20338+3312 J 190 AC 2002 7 106 9.0 10.29 14.40 D 203344.02+331208.8
20338+3312 J 190 AC 2010 8 106 8.6 10.20 13.60 203344.02+331208.8
20338+3312 J 190 AC 2015 8 105 9.1 10.20 13.60 203344.02+331208.8

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