20131+3209 SEI1008AB

 
 
20h 13m 01.20s +32 08' 34.9" P.A. 73 sep 20.4 mag 10.62,10.82
 
 
Coord 2000
20131+3209
Discov num
SEI1008
Comp
AB
Coord arcsec 2000
20 13 01.20 +32 08 34.9
Date first
1893
Date last
2015
Obs
9
Pa first
83
Pa last
73
P.A. Now (θ)
73°
Sep first
20.6
Sep last
20.4
Sep. Now (ρ)
20.4"
Mag pri
10.62
Mag sec
10.82
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+021
Sec motion ra
+010
Pri motion dec
-018
Sec motion dec
+010
Notes
rPM=1.088
This double is not physical.
 
 
20131+3209 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20131+3209 TDT2096 Aa,Ab 1991 2015 2 13 1.3 10.62 11.18 0.56
Show 20131+3209 SEI1008 AB 1893 2015 9 73 20.4 10.62 10.82 0.20 <===
Show 20131+3209 FYM 76 BD 1933 2015 9 46 16.7 10.98 12.76 1.78
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
72.5
Precise sep
20.402
Constellation
Cygnus
Tycho2
2675-02309-1
Gaia DR2
72361105152
HD
331989
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20131+3209 SEI1008 AB 1999 5 75 20.2 10.62 10.82 D 201301.20+320834.9
20131+3209 SEI1008 AB 2009 6 73 20.2 10.62 10.82 D 201301.20+320834.9
20131+3209 SEI1008 AB 2012 8 73 20.2 10.62 10.82 D 201301.20+320834.9
20131+3209 SEI1008 AB 2015 9 73 20.4 10.62 10.82 201301.20+320834.9

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