18381+3935 BU   50CD

 
 
18h 38m 02.69s +39 36' 14.1" P.A. 162 sep 5.7 mag 10.50,12.60
 
 
Coord 2000
18381+3935
Discov num
BU   50
Comp
CD
Coord arcsec 2000
18 38 02.69 +39 36 14.1
Date first
1872
Date last
2013
Obs
11
Pa first
180
Pa last
162
P.A. Now (θ)
162°
Sep first
15.0
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
10.50
Mag sec
12.60
delta mag (ΔM)
2.1
Spectral class
Pri motion ra
-010
Sec motion ra
+017
Pri motion dec
+017
Sec motion dec
+002
Notes
rPM=1.566
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
162.2
Precise sep
5.65
Cdsa2 id
BU 50 CD
Constellation
Lyra
Ra deg
18.634080555555556
De deg
39.60391666666667
last precise pa
162.2
last precise sep
5.65
 
 
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 CD 2002 9 164 6.4 10.40 11.90 D 183802.69+393614.1
18381+3935 BU 50 CD 2013 11 162 5.7 10.50 12.60 183802.69+393614.1

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