20209+3657 ARY  26

 
 
20h 20m 56.57s +36 56' 44.1" P.A. 307 sep 111.3 mag 8.50,10.71 Sp F0V
 
 
Coord 2000
20209+3657
Discov num
ARY  26
Comp
Coord arcsec 2000
20 20 56.57 +36 56 44.1
Date first
1896
Date last
2015
Obs
16
Pa first
308
Pa last
307
P.A. Now (θ)
307°
Sep first
109.0
Sep last
111.3
Sep. Now (ρ)
111.3"
Mag pri
8.50
Mag sec
10.71
delta mag (ΔM)
2.21
Spectral class
F0V (yellow-white)
Pri motion ra
+024
Sec motion ra
+011
Pri motion dec
+004
Sec motion dec
+010
Notes
rPM=0.588
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
307.1
Precise sep
111.312
Constellation
Cygnus
SAO
69872
Tycho2
2684-01465-1
Gaia DR2
99309257728
HD
193815
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20209+3657 ARY 26 2002 8 307 110.0 8.50 10.71 D 202056.57+365644.1
20209+3657 ARY 26 2012 10 307 111.6 8.50 10.71 D 202056.57+365644.1
20209+3657 ARY 26 2015 12 307 111.3 8.50 10.71 F0V 202056.57+365644.1

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