20386+4438 ES  667

 
 
20h 38m 36.27s +44 38' 27.0" P.A. 185.00 sep 9.8 mag 9.81,10.30 Sp K0
 
 
Coord 2000
20386+4438
Discov num
ES  667
Comp
Coord arcsec 2000
20 38 36.27 +44 38 27.0
Date first
1892
Date last
2015
Obs
19
Pa first
184
Pa last
185
P.A. Now (θ)
185°
Sep first
10.2
Sep last
9.8
Sep. Now (ρ)
9.8"
Mag pri
9.81
Mag sec
10.30
delta mag (ΔM)
0.49
Spectral class
K0 (yellow-orange)
Pri motion ra
+069
Sec motion ra
+062
Pri motion dec
+072
Sec motion dec
+007
Notes
rPM=0.656
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185
Precise sep
9.83
Constellation
Cygnus
SAO
49891
Tycho2
3165-01095-1
Gaia DR2
64129830400
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20386+4438 ES 667 2001 10 185 10.0 9.81 10.30 K0 D 203836.27+443827.0
20386+4438 ES 667 2011 11 185 9.9 9.81 10.30 K0 D 203836.27+443827.0
20386+4438 ES 667 2015 14 185 9.8 9.81 10.30 K0 203836.27+443827.0

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