20380+3741 TOB 193AB

 
 
20h 38m 00.18s +37 41' 11.4" P.A. 231.00 sep 28.1 mag 10.90,12.40
 
 
Coord 2000
20380+3741
Discov num
TOB 193
Comp
AB
Coord arcsec 2000
20 38 00.18 +37 41 11.4
Date first
1896
Date last
2015
Obs
10
Pa first
224
Pa last
231
P.A. Now (θ)
231°
Sep first
31.9
Sep last
28.1
Sep. Now (ρ)
28.1"
Mag pri
10.90
Mag sec
12.40
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+004
Sec motion ra
+006
Pri motion dec
-006
Sec motion dec
+001
Notes
rPM=1.01
This double is not physical.
 
 
20380+3741 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20380+3741 TOB 193 AB 1896 2015 10 231 28.1 10.90 12.40 1.50 <===
Show 20380+3741 TOB 193 AC 1895 2015 9 267 31.4 10.90 12.60 1.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
231.1
Precise sep
28.08
Constellation
Cygnus
Tycho2
3153-00800-1
Gaia DR2
05201117184
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20380+3741 TOB 193 AB 1998 5 231 28.2 10.90 12.40 D 203800.18+374111.4
20380+3741 TOB 193 AB 2002 6 231 28.2 10.90 12.40 D 203800.18+374111.4
20380+3741 TOB 193 AB 2015 7 231 28.1 10.90 12.40 203800.18+374111.4

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