18516+5259 LEP  90AC

 
 
18h 51m 34.93s +52 58' 30.4" P.A. 327 sep 206.5 mag 5.51,14.07 Sp G9IVa
 
 
Coord 2000
18516+5259
Discov num
LEP  90
Comp
AC
Coord arcsec 2000
18 51 34.93 +52 58 30.4
Date first
1998
Date last
2010
Obs
3
Pa first
327
Pa last
327
P.A. Now (θ)
327°
Sep first
206.1
Sep last
206.5
Sep. Now (ρ)
206.5"
Mag pri
5.51
Mag sec
14.07
delta mag (ΔM)
8.56
Spectral class
G9IVa (yellow)
Pri motion ra
-065
Sec motion ra
-038
Pri motion dec
+247
Sec motion dec
+271
Notes
V (Proper motion indicates physical)
rPM=0.132 (< 0.3, Physical double)
This double is physical.
 
 
18516+5259 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 31217 18516+5259 TRN 3 AB 1996 1999 4 101 1.1 5.51 11.80 6.29
Show 18516+5259 LEP 90 AC 1998 2010 3 327 206.5 5.51 14.07 8.56 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
326.5
Precise sep
206.528
Constellation
Draco
last precise pa
326.5
last precise sep
206.528
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18516+5259 LEP 90 AC 1998 1 327 206.1 5.51 14.07 VD 185135.00+525828.3
18516+5259 LEP 90 AC 2003 2 327 206.8 5.51 14.07 VD 185135.00+525828.3
18516+5259 LEP 90 AC 2010 3 327 206.5 5.51 14.07 G9IVa V 185135.00+525828.3

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