19407+6610 MLB 218AC

 
 
19h 40m 42.94s +66 09' 14.4" P.A. 331 sep 55.6 mag 10.88,12.30
 
 
Coord 2000
19407+6610
Discov num
MLB 218
Comp
AC
Coord arcsec 2000
19 40 42.94 +66 09 14.4
Date first
1921
Date last
2014
Obs
5
Pa first
351
Pa last
331
P.A. Now (θ)
331°
Sep first
56.6
Sep last
55.6
Sep. Now (ρ)
55.6"
Mag pri
10.88
Mag sec
12.30
delta mag (ΔM)
1.42
Spectral class
Pri motion ra
-010
Sec motion ra
-003
Pri motion dec
+026
Sec motion dec
+025
Notes
rPM=0.254 (< 0.3, Physical double)
This double is physical.
 
 
19407+6610 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19407+6610 MLB 218 AB 1921 2007 5 217 5.0 11.00 12.50 1.50
Show 19407+6610 MLB 218 AC 1921 2014 5 331 55.6 10.88 12.30 1.42 <===
Show 19407+6610 MLB 218 AE 2000 2003 2 324 29.7 10.88 14.67 3.79
Show 19407+6610 MLB 218 CD 1921 2003 3 118 7.3 12.00 14.20 2.20
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331.3
Precise sep
55.6
Constellation
Draco
Tycho2
4242-01271-1
last precise pa
331.3
last precise sep
55.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19407+6610 MLB 218 AC 1983 2 332 53.2 11.07 12.10 194042.94+660914.2
19407+6610 MLB 218 AC 2000 3 331 55.6 11.07 12.30 194042.94+660914.4
19407+6610 MLB 218 AC 2003 4 331 55.5 11.00 12.00 D 194042.94+660914.4
19407+6610 MLB 218 AC 2014 5 331 55.6 10.88 12.30 194042.94+660914.4

If you need more information about this double, apply for a data request form to the WDS.