18506+3313 TAR   3AB

 
 
18h 50m 34.78s +33 12' 06.4" P.A. 305 sep 14.8 mag 10.53,11.00
 
 
Coord 2000
18506+3313
Discov num
TAR   3
Comp
AB
Coord arcsec 2000
18 50 34.78 +33 12 06.4
Date first
1886
Date last
2008
Obs
11
Pa first
290
Pa last
305
P.A. Now (θ)
305°
Sep first
13.5
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
10.53
Mag sec
11.00
delta mag (ΔM)
0.47
Spectral class
Pri motion ra
-018
Sec motion ra
+028
Pri motion dec
-038
Sec motion dec
+067
Notes
rPM=1.579
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
305.3
Precise sep
14.81
Constellation
Lyra
last precise pa
305.3
last precise sep
14.81
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18506+3313 TAR 3 AB 2005 9 305 14.8 10.53 11.00 D 185034.78+331206.4
18506+3313 TAR 3 AB 2008 10 305 14.8 10.53 11.00 D 185034.78+331206.4
18506+3313 TAR 3 AB 2010 12 310 15.7 10.53 11.00 185034.78+331206.4

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