17398-0458 HO  419BC

 
 
17h 39m 45.52s -04 58' 06.2" P.A. 36 sep 7 mag 8.46,12.71 Sp F2 dist. 202.84 pc (661.66 l.y.)
 
 
Coord 2000
17398-0458
Discov num
HO  419
Comp
BC
Coord arcsec 2000
17 39 45.52 -04 58 06.2
Date first
1893
Date last
2013
Obs
9
Pa first
33
Pa last
36
P.A. Now (θ)
36°
Sep first
8.1
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
8.46
Mag sec
12.71
delta mag (ΔM)
4.25
Spectral class
F2 (yellow-white)
Pri motion ra
+013
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
17398-0458 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17398-0458 STF2191 AB 1831 2013 54 267 26.4 7.83 8.47 0.64
Show 17398-0458 HO 419 BC 1893 2013 9 36 7.0 8.46 12.71 4.25 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35.6
Precise sep
7.04
Constellation
Ophiuchus
HIP
86441
Tycho2
5089-00726-1
HD
160387
BD
BD-04 4324
Distance
202.84
Distance ly
661.66
last precise pa
35.6
last precise sep
7.04
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17398-0458 HO 419 BC 1999 8 32 7.7 8.46 12.71 F2 D 173945.52-045806.2
17398-0458 HO 419 BC 2013 9 36 7.0 8.46 12.71 F2 NU 173945.52-045806.2

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