20327+3711 SEI1158AB

 
 
20h 32m 42.32s +37 10' 45.5" P.A. 109.00 sep 20.9 mag 10.10,11.50
 
 
Coord 2000
20327+3711
Discov num
SEI1158
Comp
AB
Coord arcsec 2000
20 32 42.32 +37 10 45.5
Date first
1896
Date last
2015
Obs
10
Pa first
103
Pa last
109
P.A. Now (θ)
109°
Sep first
22.9
Sep last
20.9
Sep. Now (ρ)
20.9"
Mag pri
10.10
Mag sec
11.50
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+005
Sec motion ra
-018
Pri motion dec
-008
Sec motion dec
-020
Notes
rPM=0.964
This double is not physical.
 
 
20327+3711 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20327+3711 SEI1158 AB 1896 2015 10 109 20.9 10.10 11.50 1.40 <===
Show 20327+3711 TDT2352 Aa,Ab 1991 1991 1 160 0.4 10.60 10.62 0.02
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.1
Precise sep
20.923
Constellation
Cygnus
Tycho2
2697-00947-1
Gaia DR2
77314514304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20327+3711 SEI1158 AB 1998 5 108 21.2 10.10 11.50 D 203242.32+371045.5
20327+3711 SEI1158 AB 2002 6 108 21.4 10.10 11.50 D 203242.32+371045.5
20327+3711 SEI1158 AB 2015 7 109 20.9 10.10 11.50 203242.32+371045.5

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