18144+5107 ES  783

 
 
18h 14m 23.52s +51 07' 34.9" P.A. 230 sep 10.8 mag 10.46,15.40
 
 
Coord 2000
18144+5107
Discov num
ES  783
Comp
Coord arcsec 2000
18 14 23.52 +51 07 34.9
Date first
1909
Date last
2009
Obs
4
Pa first
239
Pa last
230
P.A. Now (θ)
230°
Sep first
8.3
Sep last
10.8
Sep. Now (ρ)
10.8"
Mag pri
10.46
Mag sec
15.40
delta mag (ΔM)
4.94
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
229.8
Precise sep
10.801
Constellation
Draco
Tycho2
3537-00536-1
last precise pa
229.8
last precise sep
10.801
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18144+5107 ES 783 1909 1 239 8.3 10.46 15.40 181423.52+510734.9
18144+5107 ES 783 2003 2 230 10.6 10.46 15.40 181423.52+510734.9
18144+5107 ES 783 2009 4 230 10.8 10.46 15.40 181423.52+510734.9
18144+5107 ES 783 2010 4 233 9.8 10.46 15.40 181423.52+510734.9

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