20105+3550 SEI 944

 
 
20h 10m 27.51s +35 49' 03.9" P.A. 90 sep 17.2 mag 10.38,12.04
 
 
Coord 2000
20105+3550
Discov num
SEI 944
Comp
Coord arcsec 2000
20 10 27.51 +35 49 03.9
Date first
1896
Date last
2015
Obs
13
Pa first
86
Pa last
90
P.A. Now (θ)
90°
Sep first
17.6
Sep last
17.2
Sep. Now (ρ)
17.2"
Mag pri
10.38
Mag sec
12.04
delta mag (ΔM)
1.66
Spectral class
Pri motion ra
+007
Sec motion ra
+001
Pri motion dec
+008
Sec motion dec
-004
Notes
rPM=1.262
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.7
Precise sep
17.237
Constellation
Cygnus
SAO
69548
Tycho2
2683-03881-1
Gaia DR2
78387506944
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20105+3550 SEI 944 1998 6 89 17.4 10.38 12.04 D 201027.51+354903.9
20105+3550 SEI 944 2002 7 89 17.3 10.38 12.04 D 201027.51+354903.9
20105+3550 SEI 944 2010 8 87 16.4 10.38 12.04 201027.51+354903.9
20105+3550 SEI 944 2015 9 90 17.3 10.38 12.04 201027.51+354903.9

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