18593+5450 MLR 575AB,C

 
 
18h 59m 20.43s +54 50' 12.5" P.A. 227 sep 21.8 mag 8.75,12.50 Sp A0
 
 
Coord 2000
18593+5450
Discov num
MLR 575
Comp
AB,C
Coord arcsec 2000
18 59 20.43 +54 50 12.5
Date first
1979
Date last
2003
Obs
3
Pa first
227
Pa last
227
P.A. Now (θ)
227°
Sep first
20.9
Sep last
21.8
Sep. Now (ρ)
21.8"
Mag pri
8.75
Mag sec
12.50
delta mag (ΔM)
3.75
Spectral class
A0 (white)
Pri motion ra
+001
Sec motion ra
+005
Pri motion dec
-002
Sec motion dec
+009
Notes
rPM=1.137
This double is not physical.
 
 
18593+5450 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 31307 18593+5450 A 1387 AB 1906 2008 20 350 0.3 9.05 10.02 0.97
Show 31307 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
226.7
Precise sep
21.81
Constellation
Draco
SAO
31307
Tycho2
3923-00810-1
HD
176868
last precise pa
226.7
last precise sep
21.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18593+5450 MLR 575 AB,C 2000 2 227 21.9 8.80 12.50 D 185920.43+545012.5
18593+5450 MLR 575 AB,C 2003 3 227 21.8 8.80 12.50 D 185920.43+545012.5

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