18031-0811 STF2262AC

 
 
18H 03M 04.91S -08 10' 48.9" P.A. 125 SEP 100.8 MAG 5.27,11.28 SP F4IV DIST. 51.33 PC (167.44 L.Y.)
 
 
Coord 2000
18031-0811
Discov num
STF2262
Comp
AC
Coord arcsec 2000
18 03 04.91 -08 10 48.9
Date first
1832
Date last
2000
Obs
13
Pa first
115
Pa last
125
P.A. Now (θ)
125°
Sep first
83.1
Sep last
100.8
Sep. Now (ρ)
100.8"
Mag pri
5.27
Mag sec
11.28
delta mag (ΔM)
6.01
Spectral class
F4IV (yellow-white)
Pri motion ra
+027
Sec motion ra
+023
Pri motion dec
-031
Sec motion dec
-018
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18031-0811 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Tau Oph 142050 18031-0811 STF2262 AB 1835 2016 634 288 1.5 5.27 5.86 0.59 Y
Show 142050 18031-0811 STF2262 AC 1832 2000 13 125 100.8 5.27 11.28 6.01 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
142050
HIP
88404
Tycho2
5675-00662-1
HD
164764
HR
6733
GC
24565
GL
Gl 700.1B
BD
BD-08 4549
Bayer
Tau Ophiuchi
Bayer name
Tau Oph
Flamsteed
69 Ophiuchi
Flamsteed name
69 Oph
Distance
51.33
Distance ly
167.44
last precise pa
125.4
last precise sep
100.794