20136+0717 TOB 308AB

 
 
20h 13m 37.30s +07 16' 53.4" P.A. 50 sep 18.9 mag 10.80,12.30
 
 
Coord 2000
20136+0717
Discov num
TOB 308
Comp
AB
Coord arcsec 2000
20 13 37.30 +07 16 53.4
Date first
1919
Date last
2015
Obs
5
Pa first
52
Pa last
50
P.A. Now (θ)
50°
Sep first
19.3
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
10.80
Mag sec
12.30
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-083
Sec motion ra
-057
Pri motion dec
-044
Sec motion dec
-051
Notes
rPM=0.287 (< 0.3, Physical double)
This double is physical.
 
 
20136+0717 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20136+0717 TOB 308 AB 1919 2015 5 50 18.9 10.80 12.30 1.50 <===
Show 20136+0717 TOB 308 BC 1982 2015 5 63 15.6 12.30 12.40 0.10
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
49.8
Precise sep
18.913
Constellation
Aquila
Tycho2
0507-01976-1
Gaia DR2
15115519744
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20136+0717 TOB 308 AB 2000 3 50 18.9 10.80 12.30 D 201337.30+071653.4
20136+0717 TOB 308 AB 2015 5 50 18.9 10.80 12.30 201337.30+071653.4

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