20383+5023 HU  588AB

 
 
20h 38m 20.54s +50 22' 34.1" P.A. 245 sep 2.1 mag 9.86,11.15 Sp F2
 
 
Coord 2000
20383+5023
Discov num
HU  588
Comp
AB
Coord arcsec 2000
20 38 20.54 +50 22 34.1
Date first
1902
Date last
2008
Obs
7
Pa first
247
Pa last
245
P.A. Now (θ)
245°
Sep first
2.3
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.86
Mag sec
11.15
delta mag (ΔM)
1.29
Spectral class
F2 (yellow-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-012
Sec motion dec
-012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.2
Precise sep
2.08
Constellation
Cygnus
last precise pa
245.2
last precise sep
2.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20383+5023 HU 588 AB 2002 6 244 2.0 9.86 11.15 F2 203820.54+502234.1
20383+5023 HU 588 AB 2008 7 245 2.1 9.86 11.15 F2 203820.54+502234.1

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