18002+0851 STTA161AC

 
 
18h 00m 12.62s +08 51' 21.5" P.A. 307 sep 112.7 mag 6.99,10.53 Sp G5 dist. 134.05 pc (437.27 l.y.)
 
 
Coord 2000
18002+0851
Discov num
STTA161
Comp
AC
Coord arcsec 2000
18 00 12.62 +08 51 21.5
Date first
1905
Date last
2001
Obs
8
Pa first
306
Pa last
307
P.A. Now (θ)
307°
Sep first
114.3
Sep last
112.7
Sep. Now (ρ)
112.7"
Mag pri
6.99
Mag sec
10.53
delta mag (ΔM)
3.54
Spectral class
G5 (yellow)
Pri motion ra
-026
Sec motion ra
+005
Pri motion dec
-012
Sec motion dec
-004
Notes
N (See Notes)
rPM=1.118
This double is not physical.
 
 
18002+0851 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18002+0851 STTA161 AB 1874 2013 24 71 62.0 6.99 9.19 2.20
Show 18002+0851 STTA161 AC 1905 2001 8 307 112.7 6.99 10.53 3.54 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.9
Precise sep
112.733
Constellation
Ophiuchus
HIP
88144
Tycho2
1008-00638-1
HD
164309
BD
BD+08 3555
Distance
134.05
Distance ly
437.27
last precise pa
306.9
last precise sep
112.733
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18002+0851 STTA161 AC 1987 4 127 14.3 6.99 11.30 G5 N 180012.64+085121.6
18002+0851 STTA161 AC 2000 4 127 112.9 6.99 11.30 G5 N 180012.64+085121.6
18002+0851 STTA161 AC 2001 7 307 112.7 6.99 10.53 G5 N 180012.62+085121.5

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