18506+3313 TAR   3BC

 
 
18H 50M 33.84S +33 12' 16.6" P.A. 217 SEP 3.2 MAG 11.00,12.00
 
 
Coord 2000
18506+3313
Discov num
TAR   3
Comp
BC
Coord arcsec 2000
18 50 33.84 +33 12 16.6
Date first
1886
Date last
2002
Obs
7
Pa first
237
Pa last
217
P.A. Now (θ)
217°
Sep first
4.3
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
11.00
Mag sec
12.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
+028
Sec motion ra
-001
Pri motion dec
+067
Sec motion dec
+008
Notes
rPM=0.905
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
 
 
Constellation
Lyra
Tycho2
2642-00464-1
last precise pa
216.8
last precise sep
3.19