20165+4339 ES 1439

 
 
20h 16m 29.92s +43 38' 29.6" P.A. 30 sep 1.7 mag 11.35,11.61
 
 
Coord 2000
20165+4339
Discov num
ES 1439
Comp
Coord arcsec 2000
20 16 29.92 +43 38 29.6
Date first
1915
Date last
2015
Obs
8
Pa first
29
Pa last
30
P.A. Now (θ)
30°
Sep first
1.6
Sep last
1.7
Sep. Now (ρ)
1.7"
Mag pri
11.35
Mag sec
11.61
delta mag (ΔM)
0.26
Spectral class
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-011
Sec motion dec
-011
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.5
Precise sep
1.668
Constellation
Cygnus
SAO
49403
Tycho2
3163-01582-1
Gaia DR2
45926352128
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20165+4339 ES 1439 1991 7 29 1.6 11.35 11.61 N 201629.92+433829.6
20165+4339 ES 1439 2015 8 30 1.7 11.35 11.61 N 201629.92+433829.6

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