18138-1847 HJ 594 AC

18h 13m 46.29s -18° 48' 36.4" P.A. 238.00 sep 13.5 mag 8.62,9.76 Sp B2IV/V

Coord 2000 18138-1847 Discov num HJ  594 Comp AC Coord arcsec 2000 18 13 46.29 -18 48 36.4
Date first 1857 Date last 2018 Obs 16
Pa first 239 Pa last 238.1 P.A. Now (θ) 238.1°
Sep first 13.3 Sep last 13.506 Sep. Now (ρ) 13.506"
Mag pri 8.62 Mag sec 9.76 delta mag (ΔM) 1.14 Spectral class B2IV/V (blue-white)
Pri motion ra -004 Sec motion ra -001
Pri motion dec +001 Sec motion dec -004
Notes




rPM=1.414

This double is not physical.



18138-1847 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 166934 18 13 46 -18 48 36 HJ 594 AB 2018 21 121 7.6 8.62 9.42 0.80
Show 18 13 46 -18 48 36 HJ 594 AC 2018 16 238 13.5 8.62 9.76 1.14 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Sagittarius Tycho2 6272-00706-1 Gaia DR2 4095508881659443200 HD 166934