18568+2816 MLB 756AB

 
 
18h 56m 45.16s +28 15' 32.6" P.A. 290 sep 3.9 mag 12.40,13.80
 
 
Coord 2000
18568+2816
Discov num
MLB 756
Comp
AB
Coord arcsec 2000
18 56 45.16 +28 15 32.6
Date first
1932
Date last
2005
Obs
4
Pa first
327
Pa last
290
P.A. Now (θ)
290°
Sep first
3.3
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
12.40
Mag sec
13.80
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18568+2816 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18568+2816 MLB 756 AB 1932 2005 4 290 3.9 12.40 13.80 1.40 <===
Show 18568+2816 MLB 756 BC 1932 2005 4 300 8.1 13.80 15.50 1.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
290.2
Precise sep
3.9
Constellation
Lyra
last precise pa
290.2
last precise sep
3.9
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18568+2816 MLB 756 AB 2005 2 290 3.9 12.40 13.80 185645.16+281532.6

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