18162+5120 STF2305AB

 
 
18H 16M 13.17S +51 19' 46.2" P.A. 339 SEP 4.9 MAG 9.16,10.81 SP G5
 
 
Coord 2000
18162+5120
Discov num
STF2305
Comp
AB
Coord arcsec 2000
18 16 13.17 +51 19 46.2
Date first
1831
Date last
2006
Obs
15
Pa first
334
Pa last
339
P.A. Now (θ)
339°
Sep first
4.7
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
9.16
Mag sec
10.81
delta mag (ΔM)
1.65
Spectral class
G5 (yellow)
Pri motion ra
-015
Sec motion ra
-028
Pri motion dec
-049
Sec motion dec
+006
Notes
Nature of this double is uncertain.
 
 
18162+5120 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30856 18162+5120 STF2305 AB 1831 2006 15 339 4.9 9.16 10.81 1.65 <===
Show 30856 18162+5120 STF2305 AC 1880 2003 8 197 95.1 9.16 12.68 3.52
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
30856
Tycho2
3537-01542-1
HD
168294
last precise pa
339.1
last precise sep
4.945