18393+6348 ES  126AB

 
 
18h 39m 18.80s +63 47' 31.5" P.A. 52 sep 72.6 mag 8.36,11.47 Sp A3 dist. 153.14 pc (499.54 l.y.)
 
 
Coord 2000
18393+6348
Discov num
ES  126
Comp
AB
Coord arcsec 2000
18 39 18.80 +63 47 31.5
Date first
1898
Date last
2003
Obs
8
Pa first
54
Pa last
52
P.A. Now (θ)
52°
Sep first
73.1
Sep last
72.6
Sep. Now (ρ)
72.6"
Mag pri
8.36
Mag sec
11.47
delta mag (ΔM)
3.11
Spectral class
A3 (white)
Pri motion ra
+004
Sec motion ra
+000
Pri motion dec
-022
Sec motion dec
-029
Notes
rPM=0.278 (< 0.3, Physical double)
This double is physical.
 
 
18393+6348 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17965 18393+6348 ES 126 AB 1898 2003 8 52 72.6 8.36 11.47 3.11 <===
Show 17965 18393+6348 ES 126 AD 2000 2003 2 55 46.0 8.36 13.29 4.93
Show 18393+6348 ES 126 BC 1898 2003 8 24 4.8 11.47 12.34 0.87
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
52.3
Precise sep
72.618
Constellation
Draco
SAO
17965
HIP
91467
Tycho2
4223-00799-1
HD
173108
BD
BD+63 1446
Distance
153.14
Distance ly
499.54
last precise pa
52.3
last precise sep
72.618
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18393+6348 ES 126 AB 2000 7 53 72.6 8.36 11.47 A3 D 183918.80+634731.5
18393+6348 ES 126 AB 2003 8 52 72.6 8.36 11.47 A3 D 183918.80+634731.5

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