20131+3209 TDT2096Aa,Ab

 
 
20h 13m 01.20s +32 08' 34.9" P.A. 13.00 sep 1.3 mag 10.62,11.18
 
 
Coord 2000
20131+3209
Discov num
TDT2096
Comp
Aa,Ab
Coord arcsec 2000
20 13 01.20 +32 08 34.9
Date first
1991
Date last
2015
Obs
2
Pa first
16
Pa last
13
P.A. Now (θ)
13°
Sep first
1.2
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
10.62
Mag sec
11.18
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
+018
Sec motion ra
+018
Pri motion dec
-024
Sec motion dec
-024
Notes
Nature of this double is uncertain.
 
 
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 45 16.7 10.98 12.76 1.78
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.5
Precise sep
1.308
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 TDT2096 Aa,Ab 1991 1 16 1.2 10.62 11.18 201301.20+320834.9
20131+3209 TDT2096 Aa,Ab 2015 2 13 1.3 10.62 11.18 201301.20+320834.9

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