18530+5816 ES 1746

 
 
18h 52m 50.17s +58 14' 48.9" P.A. 114 sep 1.8 mag 10.52,11.09
 
 
Coord 2000
18530+5816
Discov num
ES 1746
Comp
Coord arcsec 2000
18 52 50.17 +58 14 48.9
Date first
1918
Date last
2006
Obs
16
Pa first
115
Pa last
114
P.A. Now (θ)
114°
Sep first
1.6
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
10.52
Mag sec
11.09
delta mag (ΔM)
0.57
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
+025
Sec motion dec
+025
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
114.4
Precise sep
1.82
Constellation
Draco
Tycho2
3930-01603-1
last precise pa
114.4
last precise sep
1.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18530+5816 ES 1746 2002 5 114 1.8 9.60 9.80 185250.09+581449.2
18530+5816 ES 1746 2005 14 114 1.8 10.52 11.09 N 185250.17+581448.9
18530+5816 ES 1746 2006 16 114 1.8 10.52 11.09 N 185250.17+581448.9

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