18593+5450 A  1387AB

 
 
18h 59m 20.43s +54 50' 12.5" P.A. 350 sep 0.3 mag 9.05,10.02 Sp A0
 
 
Coord 2000
18593+5450
Discov num
A  1387
Comp
AB
Coord arcsec 2000
18 59 20.43 +54 50 12.5
Date first
1906
Date last
2008
Obs
20
Pa first
2
Pa last
350
P.A. Now (θ)
350°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.05
Mag sec
10.02
delta mag (ΔM)
0.97
Spectral class
A0 (white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
18593+5450 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18593+5450 A 1387 AB 1906 2008 20 350 0.3 9.05 10.02 0.97 <===
Show 18593+5450 MLR 575 AB,C 1979 2003 3 227 21.8 8.75 12.50 3.75
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
350.1
Precise sep
0.335
Cdsa2 id
A 1387 AB
Constellation
Draco
Ra deg
18.989008333333334
De deg
54.83680555555556
last precise pa
350.1
last precise sep
0.335
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18593+5450 A 1387 AB 1992 19 0 0.3 9.05 10.02 A0 185920.43+545012.5
18593+5450 A 1387 AB 2008 20 350 0.3 9.05 10.02 A0 185920.43+545012.5

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