18411+6810 MLB 355AB

 
 
18h 41m 04.71s +68 09' 58.0" P.A. 198 sep 8.5 mag 10.90,11.40
 
 
Coord 2000
18411+6810
Discov num
MLB 355
Comp
AB
Coord arcsec 2000
18 41 04.71 +68 09 58.0
Date first
1924
Date last
2010
Obs
4
Pa first
224
Pa last
198
P.A. Now (θ)
198°
Sep first
7.2
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
10.90
Mag sec
11.40
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+012
Sec motion ra
+022
Pri motion dec
+034
Sec motion dec
-009
Notes
rPM=1.224
This double is not physical.
 
 
18411+6810 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18411+6810 MLB 355 AB 1924 2010 4 198 8.5 10.90 11.40 0.50 <===
Show 18411+6810 MLB 355 AC 1999 2004 2 271 23.4 10.90 14.90 4.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.8
Precise sep
8.47
Constellation
Draco
last precise pa
197.8
last precise sep
8.47
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18411+6810 MLB 355 AB 1999 2 201 8.2 10.90 11.40 D 184104.71+680958.0
18411+6810 MLB 355 AB 2010 3 198 8.5 10.90 11.40 D 184104.71+680958.0

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