20165+3406 J   785AB

 
 
20h 16m 28.89s +34 04' 08.8" P.A. 25 sep 2.7 mag 11.30,11.80
 
 
Coord 2000
20165+3406
Discov num
J   785
Comp
AB
Coord arcsec 2000
20 16 28.89 +34 04 08.8
Date first
1912
Date last
2015
Obs
15
Pa first
21
Pa last
25
P.A. Now (θ)
25°
Sep first
2.2
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
11.30
Mag sec
11.80
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-003
Sec motion ra
+011
Pri motion dec
-016
Sec motion dec
+012
Notes
rPM=1.923
This double is not physical.
 
 
20165+3406 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20165+3406 J 785 AB 1912 2015 15 25 2.7 11.30 11.80 0.50 <===
Show 20165+3406 J 785 AC 1893 2015 18 12 10.2 11.30 12.10 0.80
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.5
Precise sep
2.666
Constellation
Cygnus
Gaia DR2
17604108928
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20165+3406 J 785 AB 2000 13 26 2.6 9.50 9.80 201628.89+340408.8
20165+3406 J 785 AB 2002 14 24 2.6 9.50 9.80 201628.89+340408.8
20165+3406 J 785 AB 2015 15 25 2.7 11.30 11.80 201628.89+340408.8

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