18558+5240 ES  650AB

 
 
18h 55m 46.13s +52 40' 15.8" P.A. 329 sep 4.4 mag 10.29,13.50 Sp G5
 
 
Coord 2000
18558+5240
Discov num
ES  650
Comp
AB
Coord arcsec 2000
18 55 46.13 +52 40 15.8
Date first
1908
Date last
2000
Obs
3
Pa first
330
Pa last
329
P.A. Now (θ)
329°
Sep first
3.2
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
10.29
Mag sec
13.50
delta mag (ΔM)
3.21
Spectral class
G5 (yellow)
Pri motion ra
+006
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18558+5240 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18558+5240 ES 650 AB 1908 2000 3 329 4.4 10.29 13.50 3.21 <===
Show 18558+5240 ES 650 AC 1897 2008 8 196 26.7 10.29 11.61 1.32
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
328.5
Precise sep
4.36
Constellation
Draco
last precise pa
328.5
last precise sep
4.36
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18558+5240 ES 650 AB 1908 1 330 3.2 10.29 13.50 G5 185546.13+524015.8
18558+5240 ES 650 AB 2000 3 329 4.4 10.29 13.50 G5 185546.13+524015.8

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