20176+3835 ALI 927

 
 
20h 17m 31.24s +38 34' 56.5" P.A. 67 sep 5.7 mag 11.77,13.70
 
 
Coord 2000
20176+3835
Discov num
ALI 927
Comp
Coord arcsec 2000
20 17 31.24 +38 34 56.5
Date first
1928
Date last
2015
Obs
10
Pa first
62
Pa last
67
P.A. Now (θ)
67°
Sep first
5.1
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
11.77
Mag sec
13.70
delta mag (ΔM)
1.93
Spectral class
Pri motion ra
-012
Sec motion ra
+019
Pri motion dec
-009
Sec motion dec
+006
Notes
N (See Notes)
rPM=1.728
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
67.3
Precise sep
5.681
Constellation
Cygnus
SAO
69771
Tycho2
3151-00677-1
Gaia DR2
87227894016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20176+3835 ALI 927 1998 2 68 5.7 11.77 13.70 D 201731.24+383456.5
20176+3835 ALI 927 2002 4 67 5.7 11.77 13.70 N D 201731.24+383456.5
20176+3835 ALI 927 2015 6 67 5.6 11.77 13.70 N 201731.24+383456.5

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