20101+3617 SEI 939AB

 
 
20h 10m 09.67s +36 17' 09.2" P.A. 217 sep 26.3 mag 11.40,12.60
 
 
Coord 2000
20101+3617
Discov num
SEI 939
Comp
AB
Coord arcsec 2000
20 10 09.67 +36 17 09.2
Date first
1896
Date last
2015
Obs
10
Pa first
213
Pa last
217
P.A. Now (θ)
217°
Sep first
25.2
Sep last
26.3
Sep. Now (ρ)
26.3"
Mag pri
11.40
Mag sec
12.60
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
+017
Sec motion ra
-004
Pri motion dec
-004
Sec motion dec
-003
Notes
rPM=1.204
This double is not physical.
 
 
20101+3617 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20101+3617 SEI 939 AB 1896 2015 10 217 26.3 11.40 12.60 1.20 <===
Show 20101+3617 WSI 152 AC 1998 2015 8 31 17.8 11.40 14.10 2.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
217
Precise sep
26.302
Constellation
Cygnus
SAO
69538
Tycho2
2683-01174-1
Gaia DR2
09206507520
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20101+3617 SEI 939 AB 2002 3 217 26.1 11.40 12.60 201009.67+361709.2
20101+3617 SEI 939 AB 2013 4 217 26.5 11.40 12.60 201009.67+361709.2
20101+3617 SEI 939 AB 2014 5 217 26.9 11.40 12.60 201009.67+361709.2
20101+3617 SEI 939 AB 2015 6 217 26.3 11.40 12.60 201009.67+361709.2

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