20135+3634 SEI1020AB

 
 
20h 13m 31.38s +36 33' 47.6" P.A. 276 sep 13.9 mag 10.30,11.20
 
 
Coord 2000
20135+3634
Discov num
SEI1020
Comp
AB
Coord arcsec 2000
20 13 31.38 +36 33 47.6
Date first
1896
Date last
2015
Obs
11
Pa first
277
Pa last
276
P.A. Now (θ)
276°
Sep first
13.6
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
10.30
Mag sec
11.20
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-004
Sec motion dec
-003
Notes
rPM=0.243 (< 0.3, Physical double)
This double is physical.
 
 
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
276.3
Precise sep
13.911
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 SEI1020 AB 1999 5 276 13.9 10.50 11.00 D 201331.38+363347.6
20135+3634 SEI1020 AB 2002 6 276 13.9 10.30 11.20 D 201331.38+363347.6
20135+3634 SEI1020 AB 2010 7 276 14.0 10.30 11.20 201331.38+363347.6
20135+3634 SEI1020 AB 2015 7 276 13.9 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.