18527+5135 COU2517

 
 
18h 52m 44.34s +51 35' 31.9" P.A. 109 sep 0.9 mag 11.10,11.70
 
 
Coord 2000
18527+5135
Discov num
COU2517
Comp
Coord arcsec 2000
18 52 44.34 +51 35 31.9
Date first
1988
Date last
2015
Obs
2
Pa first
111
Pa last
109
P.A. Now (θ)
109°
Sep first
0.9
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.10
Mag sec
11.70
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.4
Precise sep
0.921
Constellation
Draco
SAO
31235
Tycho2
3552-01730-1
Gaia DR2
05153340032
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18527+5135 COU2517 1988 1 111 0.9 10.00 10.30 185208.57+513500.0
18527+5135 COU2517 2015 2 109 0.9 11.10 11.70 185244.34+513531.9

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