20319+3920 HJ 1531

 
 
20h 31m 51.56s +39 20' 14.1" P.A. 318 sep 6.4 mag 10.11,10.94 Sp F0
 
 
Coord 2000
20319+3920
Discov num
HJ 1531
Comp
Coord arcsec 2000
20 31 51.56 +39 20 14.1
Date first
1828
Date last
2018
Obs
19
Pa first
314
Pa last
318
P.A. Now (θ)
318°
Sep first
4.0
Sep last
6.4
Sep. Now (ρ)
6.4"
Mag pri
10.11
Mag sec
10.94
delta mag (ΔM)
0.83
Spectral class
F0 (yellow-white)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-016
Sec motion dec
-016
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
317.8
Precise sep
6.448
Constellation
Cygnus
Tycho2
3153-00129-1
Gaia DR2
46749928192
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20319+3920 HJ 1531 2006 10 317 6.3 10.11 10.94 F0 D 203151.56+392014.1
20319+3920 HJ 1531 2010 12 318 6.3 10.11 10.94 F0 D 203151.56+392014.1
20319+3920 HJ 1531 2015 14 318 6.3 10.11 10.94 F0 N 203151.56+392014.1

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