18381+3935 BU   50AD

 
 
18h 38m 06.06s +39 35' 11.0" P.A. 327 sep 68.1 mag 9.54,11.60 Sp F
 
 
Coord 2000
18381+3935
Discov num
BU   50
Comp
AD
Coord arcsec 2000
18 38 06.06 +39 35 11.0
Date first
1982
Date last
2013
Obs
5
Pa first
328
Pa last
327
P.A. Now (θ)
327°
Sep first
68.6
Sep last
68.1
Sep. Now (ρ)
68.1"
Mag pri
9.54
Mag sec
11.60
delta mag (ΔM)
2.06
Spectral class
F (yellow-white)
Pri motion ra
+006
Sec motion ra
+017
Pri motion dec
-009
Sec motion dec
+002
Notes
rPM=0.909
This double is not physical.
 
 
18381+3935 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67192 18381+3935 BU 50 AB 1892 2013 9 2 22.3 9.50 14.00 4.50
Show 67192 18381+3935 BU 50 AC 1872 2013 13 328 73.6 9.54 11.60 2.06
Show 67192 18381+3935 BU 50 AD 1982 2013 5 327 68.1 9.54 11.60 2.06 <===
Show 18381+3935 BU 50 CD 1872 2013 11 162 5.7 10.50 12.60 2.10
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
327
Precise sep
68.1
Constellation
Lyra
SAO
67192
Tycho2
3109-01895-1
last precise pa
327
last precise sep
68.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18381+3935 BU 50 AD 2002 2 327 67.9 9.54 13.30 F 183806.06+393511.0
18381+3935 BU 50 AD 2012 4 327 67.9 9.50 12.60 F 183806.06+393511.0
18381+3935 BU 50 AD 2013 5 327 68.1 9.54 11.60 F 183806.06+393511.0

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