20210+3919 TOB 186BC

 
 
20h 21m 03.80s +39 17' 52.5" P.A. 51 sep 16.2 mag 12.19,12.09
 
 
Coord 2000
20210+3919
Discov num
TOB 186
Comp
BC
Coord arcsec 2000
20 21 03.80 +39 17 52.5
Date first
1983
Date last
2015
Obs
10
Pa first
44
Pa last
51
P.A. Now (θ)
51°
Sep first
16.1
Sep last
16.2
Sep. Now (ρ)
16.2"
Mag pri
12.19
Mag sec
12.09
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+004
Sec motion ra
-001
Pri motion dec
+013
Sec motion dec
-003
Notes
rPM=1.232
This double is not physical.
 
 
20210+3919 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20210+3919 SEI1097 AB 1892 2015 23 44 27.2 11.20 12.19 0.99
Show 20210+3919 TOB 186 BC 1983 2015 10 51 16.2 12.19 12.09 0.10 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
51
Precise sep
16.242
Constellation
Cygnus
Tycho2
3152-00343-1
Gaia DR2
70255626752
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20210+3919 TOB 186 BC 1998 3 51 16.5 12.02 12.09 D 202103.80+391752.5
20210+3919 TOB 186 BC 2008 4 52 16.4 12.02 12.09 D 202103.80+391752.5
20210+3919 TOB 186 BC 2015 6 51 16.2 12.19 12.09 202103.80+391752.5

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