20364+3652 ES  247

 
 
20h 36m 26.60s +36 51' 11.9" P.A. 147.00 sep 5.4 mag 10.81,12.20
 
 
Coord 2000
20364+3652
Discov num
ES  247
Comp
Coord arcsec 2000
20 36 26.60 +36 51 11.9
Date first
1905
Date last
2015
Obs
10
Pa first
148
Pa last
147
P.A. Now (θ)
147°
Sep first
5.5
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
10.81
Mag sec
12.20
delta mag (ΔM)
1.39
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.3
Precise sep
5.392
Constellation
Cygnus
Tycho2
2698-00342-1
Gaia DR2
38573682304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20364+3652 ES 247 1998 4 148 5.4 10.81 12.20 D 203626.60+365111.9
20364+3652 ES 247 2002 5 147 5.4 10.81 12.20 D 203626.60+365111.9
20364+3652 ES 247 2015 6 147 5.4 10.81 12.20 203626.60+365111.9

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