17375-2003 HU 752 AB (HD 159819)

17h 37m 32.10s -20° 03' 15.7" P.A. 328.00 sep 2.6 mag 9.87,11.90 Sp A0V

Coord 2000 17375-2003 Discov num HU  752 Comp AB Coord arcsec 2000 17 37 32.10 -20 03 15.7
Date first 1903 Date last 2015 Obs 6
Pa first 329 Pa last 328.4 P.A. Now (θ) 328.4°
Sep first 2.7 Sep last 2.578 Sep. Now (ρ) 2.578"
Mag pri 9.87 Mag sec 11.90 delta mag (ΔM) 2.03 Spectral class A0V (white)
Pri motion ra +001 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes




Nature of this double is uncertain.



17375-2003 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 159819 185560 17 37 32 -20 03 16 HU 752 AB 2015 6 328 2.6 9.87 11.90 2.03 <===
Show 185560 17 37 32 -20 03 16 HU 752 AC 2017 10 92 50.2 9.87 11.08 1.21
Show 17 37 36 -20 03 17 B 2412 CD 2015 2 232 1.5 11.08 12.40 1.32


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 159819 Constellation Ophiuchus SAO 185560 Tycho2 6256-01490-1
Gaia DR2 4118507087175097216 HD 159819 ADS 10662