20391+3543 SEI1205

 
 
20h 39m 03.47s +35 43' 08.2" P.A. 74.00 sep 20.4 mag 11.76,12.28
 
 
Coord 2000
20391+3543
Discov num
SEI1205
Comp
Coord arcsec 2000
20 39 03.47 +35 43 08.2
Date first
1896
Date last
2015
Obs
13
Pa first
69
Pa last
74
P.A. Now (θ)
74°
Sep first
24.8
Sep last
20.4
Sep. Now (ρ)
20.4"
Mag pri
11.76
Mag sec
12.28
delta mag (ΔM)
0.52
Spectral class
Pri motion ra
+010
Sec motion ra
-020
Pri motion dec
+000
Sec motion dec
-032
Notes
rPM=1.162
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
74
Precise sep
20.448
Constellation
Cygnus
Tycho2
2698-01286-1
Gaia DR2
02343583744
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20391+3543 SEI1205 1999 6 73 21.0 11.77 12.50 D 203903.47+354308.2
20391+3543 SEI1205 2002 7 73 20.9 11.77 12.50 D 203903.47+354308.2
20391+3543 SEI1205 2010 8 75 20.8 11.76 12.28 203903.47+354308.2
20391+3543 SEI1205 2015 9 74 20.5 11.76 12.28 203903.47+354308.2

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