20166+3759 ALI 663

 
 
20h 16m 34.52s +37 58' 05.3" P.A. 60 sep 12 mag 12.70,13.00
 
 
Coord 2000
20166+3759
Discov num
ALI 663
Comp
Coord arcsec 2000
20 16 34.52 +37 58 05.3
Date first
1929
Date last
2008
Obs
4
Pa first
60
Pa last
60
P.A. Now (θ)
60°
Sep first
11.8
Sep last
12.0
Sep. Now (ρ)
12"
Mag pri
12.70
Mag sec
13.00
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-001
Sec motion ra
+005
Pri motion dec
-010
Sec motion dec
-001
Notes
rPM=1.076
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
59.6
Precise sep
11.96
Cdsa2 id
ALI 663
Constellation
Cygnus
Ra deg
20.276255555555554
De deg
37.96813888888889
last precise pa
59.6
last precise sep
11.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20166+3759 ALI 663 1998 2 232 10.0 11.68 11.70 D 201641.17+375935.9
20166+3759 ALI 663 2008 3 240 12.0 11.68 11.70 D 201641.17+375935.9
20166+3759 ALI 663 2010 5 59 11.1 12.70 13.00 201634.52+375805.3

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