17507+0755 STF 2230 BC

17h 50m 43.24s +07° 55' 21.7" P.A. 209.00 sep 20.5 mag 9.85,11.12 Sp A5

Coord 2000 17507+0755 Discov num STF2230 Comp BC Coord arcsec 2000 17 50 43.24 +07 55 21.7
Date first 1831 Date last 2015 Obs 24
Pa first 209 Pa last 208.7 P.A. Now (θ) 208.7°
Sep first 18.8 Sep last 20.491 Sep. Now (ρ) 20.491"
Mag pri 9.85 Mag sec 11.12 delta mag (ΔM) 1.27 Spectral class A5 (white)
Pri motion ra +012 Sec motion ra +008
Pri motion dec -013 Sec motion dec -025
Notes N (See Notes)




rPM=0.482

Nature of this double is uncertain.



17507+0755 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 162429 122822 17 50 40 +07 55 19 STF 2230 AB 2015 34 87 46.8 9.21 9.85 0.64
Show 122822 17 50 40 +07 55 19 STF 2230 AC 2015 21 113 39.9 9.21 11.12 1.91
Show 122823 17 50 43 +07 55 22 STF 2230 BC 2015 24 209 20.5 9.85 11.12 1.27 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Ophiuchus SAO 122823 Tycho2 0994-01341-1 Gaia DR2 4487901457485641472
HD 162430