17012-2941 HO  554AB

 
 
17h 01m 12.60s -29 41' 03.6" P.A. 356 sep 9.6 mag 9.13,13.90 Sp G0II dist. 328.95 pc (1073.03 l.y.)
 
 
Coord 2000
17012-2941
Discov num
HO  554
Comp
AB
Coord arcsec 2000
17 01 12.60 -29 41 03.6
Date first
1893
Date last
2014
Obs
6
Pa first
0
Pa last
356
P.A. Now (θ)
356°
Sep first
10.0
Sep last
9.6
Sep. Now (ρ)
9.6"
Mag pri
9.13
Mag sec
13.90
delta mag (ΔM)
4.77
Spectral class
G0II (yellow)
Pri motion ra
+000
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17012-2941 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 184918 17012-2941 HO 554 AB 1893 2014 6 356 9.6 9.13 13.90 4.77 <===
Show 184918 17012-2941 HO 554 AC 1896 2014 8 350 35.9 9.13 11.59 2.46
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.9
Precise sep
9.588
Constellation
Ophiuchus
SAO
184918
HIP
83280
Tycho2
6822-01205-1
HD
153515
CD
CD-2913111
Distance
328.95
Distance ly
1073.03
last precise pa
355.9
last precise sep
9.588
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17012-2941 HO 554 AB 1904 5 359 9.8 7.90 12.90 G0II 170112.60-294103.6
17012-2941 HO 554 AB 2014 6 356 9.6 9.13 13.90 G0II 170112.60-294103.6

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