20115+3639 TOB 175AD

 
 
20h 11m 33.03s +36 38' 30.2" P.A. 123 sep 36.6 mag 10.66,12.55
 
 
Coord 2000
20115+3639
Discov num
TOB 175
Comp
AD
Coord arcsec 2000
20 11 33.03 +36 38 30.2
Date first
1896
Date last
2015
Obs
9
Pa first
121
Pa last
123
P.A. Now (θ)
123°
Sep first
36.9
Sep last
36.6
Sep. Now (ρ)
36.6"
Mag pri
10.66
Mag sec
12.55
delta mag (ΔM)
1.89
Spectral class
Pri motion ra
+005
Sec motion ra
-003
Pri motion dec
-001
Sec motion dec
-010
Notes
rPM=1.153
This double is not physical.
 
 
20115+3639 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20115+3639 SEI 974 AB 1896 2015 12 7 18.1 10.66 10.85 0.19
Show 20115+3639 TOB 175 AC 1896 2015 12 95 53.3 10.66 11.52 0.86
Show 20115+3639 TOB 175 AD 1896 2015 9 123 36.6 10.66 12.55 1.89 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
123.3
Precise sep
36.603
Constellation
Cygnus
Tycho2
2683-00200-1
Gaia DR2
34126706432
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20115+3639 TOB 175 AD 1998 3 123 36.1 10.40 12.50 D 201133.03+363830.2
20115+3639 TOB 175 AD 2002 4 123 36.5 10.66 12.80 D 201133.03+363830.2
20115+3639 TOB 175 AD 2015 5 123 36.6 10.66 12.55 201133.03+363830.2

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