20117+0629 TOB 307AC

 
 
20h 11m 42.77s +06 28' 42.8" P.A. 184 sep 8.8 mag 13.20,14.90
 
 
Coord 2000
20117+0629
Discov num
TOB 307
Comp
AC
Coord arcsec 2000
20 11 42.77 +06 28 42.8
Date first
1982
Date last
2015
Obs
7
Pa first
182
Pa last
184
P.A. Now (θ)
184°
Sep first
8.9
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
13.20
Mag sec
14.90
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
+021
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20117+0629 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20117+0629 TOB 307 AB 1982 2015 7 182 44.8 13.46 11.66 1.80
Show 20117+0629 TOB 307 AC 1982 2015 7 184 8.8 13.20 14.90 1.70 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
184.3
Precise sep
8.817
Constellation
Aquila
Tycho2
0507-01859-1
Gaia DR2
17213937280
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20117+0629 TOB 307 AC 2000 2 184 9.0 13.20 14.90 D 201142.77+062842.8
20117+0629 TOB 307 AC 2010 4 184 8.8 13.20 14.90 201142.77+062842.8
20117+0629 TOB 307 AC 2015 4 184 9.1 13.20 14.90 201142.77+062842.8

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