20166+3759 ALI 663

 
 
20h 16m 34.52s +37 58' 05.3" P.A. 58 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
2015
Obs
5
Pa first
60
Pa last
58
P.A. Now (θ)
58°
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
58.4
Precise sep
11.98
Constellation
Cygnus
SAO
69726
Tycho2
3151-02922-1
Gaia DR2
90755841280
 
 
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
20166+3759 ALI 663 2015 5 58 12.0 12.70 13.00 201634.52+375805.3

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