20198+3509 COU2217

 
 
20h 19m 50.73s +35 09' 12.6" P.A. 25 sep 1 mag 11.80,12.50
 
 
Coord 2000
20198+3509
Discov num
COU2217
Comp
Coord arcsec 2000
20 19 50.73 +35 09 12.6
Date first
1984
Date last
2007
Obs
2
Pa first
32
Pa last
25
P.A. Now (θ)
25°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.80
Mag sec
12.50
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-006
Sec motion ra
Pri motion dec
-043
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.5
Precise sep
1.033
Constellation
Cygnus
Tycho2
2680-01084-1
Gaia DR2
80428596480
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20198+3509 COU2217 1984 1 32 0.9 11.80 12.50 201950.73+350912.6
20198+3509 COU2217 2007 2 25 1.0 11.80 12.50 201950.73+350912.6

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