20397+3658 A  1432

 
 
20h 39m 38.94s +36 57' 45.5" P.A. 117.00 sep 0.4 mag 10.42,10.50 Sp A0
 
 
Coord 2000
20397+3658
Discov num
A  1432
Comp
Coord arcsec 2000
20 39 38.94 +36 57 45.5
Date first
1906
Date last
2016
Obs
14
Pa first
121
Pa last
117
P.A. Now (θ)
117°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.42
Mag sec
10.50
delta mag (ΔM)
0.08
Spectral class
A0 (white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.4
Precise sep
0.432
Constellation
Cygnus
SAO
70339
Tycho2
2698-01596-1
Gaia DR2
56327607168
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20397+3658 A 1432 1997 11 120 0.4 10.42 10.50 A0 203938.94+365745.5
20397+3658 A 1432 2007 12 116 0.4 10.42 10.50 A0 203938.94+365745.5
20397+3658 A 1432 2009 13 118 0.4 10.42 10.50 A0 203938.94+365745.5

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