18162+5120 STF2305AC

 
 
18h 16m 13.17s +51 19' 46.2" P.A. 197 sep 95.1 mag 9.16,12.68 Sp G5
 
 
Coord 2000
18162+5120
Discov num
STF2305
Comp
AC
Coord arcsec 2000
18 16 13.17 +51 19 46.2
Date first
1880
Date last
2003
Obs
8
Pa first
198
Pa last
197
P.A. Now (θ)
197°
Sep first
102.0
Sep last
95.1
Sep. Now (ρ)
95.1"
Mag pri
9.16
Mag sec
12.68
delta mag (ΔM)
3.52
Spectral class
G5 (yellow)
Pri motion ra
-015
Sec motion ra
+001
Pri motion dec
-049
Sec motion dec
+011
Notes
rPM=1.212
This double is not physical.
 
 
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
 
 
Precise pa
196.5
Precise sep
95.117
Constellation
Draco
SAO
30856
Tycho2
3537-01542-1
HD
168294
last precise pa
196.5
last precise sep
95.117
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18162+5120 STF2305 AC 2000 7 197 95.3 9.16 12.68 D 181613.17+511946.2
18162+5120 STF2305 AC 2003 8 197 95.1 9.16 12.68 D 181613.17+511946.2

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