17240-0921 TOK 179AB

 
 
17h 23m 57.87s -09 21' 29.7" P.A. 297 sep 18.7 mag 7.84,15.92 Sp G0 dist. 58.72 pc (191.54 l.y.)
 
 
Coord 2000
17240-0921
Discov num
TOK 179
Comp
AB
Coord arcsec 2000
17 23 57.87 -09 21 29.7
Date first
1999
Date last
2010
Obs
4
Pa first
297
Pa last
297
P.A. Now (θ)
297°
Sep first
19.3
Sep last
18.7
Sep. Now (ρ)
18.7"
Mag pri
7.84
Mag sec
15.92
delta mag (ΔM)
8.08
Spectral class
G0 (yellow)
Pri motion ra
-024
Sec motion ra
-003
Pri motion dec
-018
Sec motion dec
+002
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.967
This double is not physical.
 
 
17240-0921 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17240-0921 RST3972 Aa,Ab 1938 2015 37 312 0.2 8.50 8.70 0.20 Y
Show 17240-0921 TOK 179 AB 1999 2010 4 297 18.7 7.84 15.92 8.08 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297
Precise sep
18.7
Constellation
Ophiuchus
HIP
85141
Tycho2
5658-00307-1
HD
157498
BD
BD-09 4546
Distance
58.72
Distance ly
191.54
last precise pa
297
last precise sep
18.7
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17240-0921 TOK 179 AB 2010 3 297 19.5 7.84 15.92 G0 NU 172357.87-092129.7

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