20239+3912 J   129

 
 
20h 23m 51.83s +39 12' 34.8" P.A. 34.00 sep 3.3 mag 10.57,11.25 Sp G0
 
 
Coord 2000
20239+3912
Discov num
J   129
Comp
Coord arcsec 2000
20 23 51.83 +39 12 34.8
Date first
1910
Date last
2015
Obs
11
Pa first
20
Pa last
34
P.A. Now (θ)
34°
Sep first
1.0
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
10.57
Mag sec
11.25
delta mag (ΔM)
0.68
Spectral class
G0 (yellow)
Pri motion ra
+012
Sec motion ra
+016
Pri motion dec
+012
Sec motion dec
+017
Notes
rPM=0.274 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
34.4
Precise sep
3.333
Constellation
Cygnus
Tycho2
3152-00533-1
Gaia DR2
63540801152
HD
229226
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20239+3912 J 129 2003 9 34 3.3 10.45 11.16 D 202351.83+391234.8
20239+3912 J 129 2015 11 34 3.3 10.57 11.25 G0 202351.83+391234.8

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