20135+3634 SEI1022AC

 
 
20h 13m 31.38s +36 33' 47.6" P.A. 217 sep 21.9 mag 10.30,11.20
 
 
Coord 2000
20135+3634
Discov num
SEI1022
Comp
AC
Coord arcsec 2000
20 13 31.38 +36 33 47.6
Date first
1896
Date last
2015
Obs
10
Pa first
218
Pa last
217
P.A. Now (θ)
217°
Sep first
21.5
Sep last
21.9
Sep. Now (ρ)
21.9"
Mag pri
10.30
Mag sec
11.20
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-004
Sec motion ra
-002
Pri motion dec
-004
Sec motion dec
-005
Notes
rPM=0.395
Nature of this double is uncertain.
 
 
20135+3634 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20135+3634 SEI1020 AB 1896 2015 11 276 13.9 10.30 11.20 0.90
Show 20135+3634 SEI1022 AC 1896 2015 10 217 21.9 10.30 11.20 0.90 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.8
Precise sep
21.853
Constellation
Cygnus
Gaia DR2
45053171712
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20135+3634 SEI1022 AC 1999 4 217 21.8 10.00 11.00 D 201331.38+363347.6
20135+3634 SEI1022 AC 2002 5 217 21.8 10.30 11.20 D 201331.38+363347.6
20135+3634 SEI1022 AC 2015 6 217 21.8 10.30 11.20 201331.38+363347.6

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