20383+5023 HU  588AB

 
 
20h 38m 20.54s +50 22' 34.1" P.A. 244 sep 2 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
2015
Obs
8
Pa first
247
Pa last
244
P.A. Now (θ)
244°
Sep first
2.3
Sep last
2.0
Sep. Now (ρ)
2"
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
244.2
Precise sep
2.018
Constellation
Cygnus
Tycho2
3582-01488-1
Gaia DR2
56974449152
 
 
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
20383+5023 HU 588 AB 2015 8 244 2.0 9.86 11.15 F2 203820.54+502234.1

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