18506+3313 BKO  54AD

 
 
18h 50m 34.78s +33 12' 06.4" P.A. 192 sep 14.4 mag 10.53,13.60
 
 
Coord 2000
18506+3313
Discov num
BKO  54
Comp
AD
Coord arcsec 2000
18 50 34.78 +33 12 06.4
Date first
1998
Date last
2002
Obs
3
Pa first
192
Pa last
192
P.A. Now (θ)
192°
Sep first
14.7
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
10.53
Mag sec
13.60
delta mag (ΔM)
3.07
Spectral class
Pri motion ra
-018
Sec motion ra
-015
Pri motion dec
-038
Sec motion dec
+005
Notes
rPM=1.025
This double is not physical.
 
 
18506+3313 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18506+3313 TAR 3 AB 1886 2008 11 305 14.8 10.53 11.00 0.47
Show 18506+3313 BKO 54 AD 1998 2002 3 192 14.4 10.53 13.60 3.07 <===
Show 18506+3313 TAR 3 BC 1886 2002 7 217 3.2 11.00 12.00 1.00
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.7
Precise sep
14.43
Constellation
Lyra
last precise pa
191.7
last precise sep
14.43
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18506+3313 BKO 54 AD 2002 2 192 14.4 10.53 13.60 D 185034.78+331206.4
18506+3313 BKO 54 AD 2010 4 192 13.9 10.53 13.60 185034.78+331206.4

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