18081-1925 ARA 730 AB

18h 08m 07.69s -19° 24' 39.1" P.A. 330.00 sep 12.6 mag 11.00,11.50 Sp em

Coord 2000 18081-1925 Discov num ARA 730 Comp AB Coord arcsec 2000 18 08 07.69 -19 24 39.1
Date first 1917 Date last 2017 Obs 8
Pa first 328 Pa last 329.5 P.A. Now (θ) 329.5°
Sep first 13.2 Sep last 12.587 Sep. Now (ρ) 12.587"
Mag pri 11.00 Mag sec 11.50 delta mag (ΔM) 0.5 Spectral class em
Pri motion ra -001 Sec motion ra +004
Pri motion dec +001 Sec motion dec -002
Notes




rPM=1.304

This double is not physical.



18081-1925 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 08 08 -19 24 39 ARA 730 AB 2017 8 330 12.6 11.00 11.50 0.50 <===
Show 18 08 08 -19 24 39 AOT 68 AC 2017 6 314 23.6 11.00 12.90 1.90
Show 18 08 07 -19 24 28 AOT 68 BC 2017 6 298 11.9 11.50 12.90 1.40


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Sagittarius Gaia DR2 4095122162791163136