18552+2842 MLB 693AB

 
 
18h 55m 17.57s +28 42' 00.9" P.A. 178 sep 6.5 mag 12.00,14.10
 
 
Coord 2000
18552+2842
Discov num
MLB 693
Comp
AB
Coord arcsec 2000
18 55 17.57 +28 42 00.9
Date first
1931
Date last
2002
Obs
3
Pa first
188
Pa last
178
P.A. Now (θ)
178°
Sep first
4.9
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
12.00
Mag sec
14.10
delta mag (ΔM)
2.1
Spectral class
Pri motion ra
-006
Sec motion ra
-007
Pri motion dec
+008
Sec motion dec
-029
Notes
rPM=1.241
This double is not physical.
 
 
18552+2842 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18552+2842 MLB 693 AB 1931 2002 3 178 6.5 12.00 14.10 2.10 <===
Show 18552+2842 MLB 693 AC 1931 2002 3 153 9.4 12.00 13.70 1.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
177.8
Precise sep
6.525
Constellation
Lyra
last precise pa
177.8
last precise sep
6.525
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18552+2842 MLB 693 AB 1931 1 188 4.9 12.80 15.00 185517.64+284158.9
18552+2842 MLB 693 AB 2000 2 178 6.5 12.00 14.10 D 185517.57+284200.9
18552+2842 MLB 693 AB 2002 3 178 6.5 12.00 14.10 D 185517.57+284200.9

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