18593+6347 ES 1844AC

 
 
18h 59m 30.05s +63 47' 34.5" P.A. 118 sep 15.5 mag 9.60,14.00
 
 
Coord 2000
18593+6347
Discov num
ES 1844
Comp
AC
Coord arcsec 2000
18 59 30.05 +63 47 34.5
Date first
1920
Date last
2003
Obs
3
Pa first
112
Pa last
118
P.A. Now (θ)
118°
Sep first
14.8
Sep last
15.5
Sep. Now (ρ)
15.5"
Mag pri
9.60
Mag sec
14.00
delta mag (ΔM)
4.4
Spectral class
Pri motion ra
+005
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18593+6347 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18593+6347 ES 1844 AB 1920 2005 3 20 3.0 9.60 10.50 0.90
Show 18593+6347 ES 1844 AC 1920 2003 3 118 15.5 9.60 14.00 4.40 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
118.3
Precise sep
15.494
Constellation
Draco
Tycho2
4224-01292-1
last precise pa
118.3
last precise sep
15.494
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18593+6347 ES 1844 AC 1999 2 119 15.6 9.60 14.00 D 185930.05+634734.5
18593+6347 ES 1844 AC 2003 3 118 15.5 9.60 14.00 D 185930.05+634734.5

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