17265-1735 HU 171 AC

17h 26m 31.65s -17° 35' 13.7" P.A. 209.00 sep 7.1 mag 10.12,12.30 Sp A2V

Coord 2000 17265-1735 Discov num HU  171 Comp AC Coord arcsec 2000 17 26 31.65 -17 35 13.7
Date first 1916 Date last 2015 Obs 7
Pa first 210 Pa last 209.2 P.A. Now (θ) 209.2°
Sep first 5.4 Sep last 7.096 Sep. Now (ρ) 7.096"
Mag pri 10.12 Mag sec 12.30 delta mag (ΔM) 2.18 Spectral class A2V (white)
Pri motion ra +004 Sec motion ra
Pri motion dec +010 Sec motion dec
Notes




Nature of this double is uncertain.



17265-1735 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157859 17 26 32 -17 35 14 HU 171 AB 1991 5 188 1.7 10.12 11.32 1.20
Show 17 26 32 -17 35 14 HU 171 AC 2015 7 209 7.1 10.12 12.30 2.18 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Ophiuchus Tycho2 6238-02384-1 Gaia DR2 4122963137271901312 HD 157859
DM BD-17 4806