18042-2230 B 1875 BC

 
 
18h 04m 11.14s -22° 29' 42.0" P.A. 236.00 sep 0.5 mag 8.52,13.20 Sp B0V+A3V
 
 
Coord 2000 18042-2230 Discov num B  1875 Comp BC Coord arcsec 2000 18 04 11.14 -22 29 42.0
Date first 1930 Date last 2002 Obs 3
Pa first 156 Pa last 235.5 P.A. Now (θ) 235.5°
Sep first 2.0 Sep last 0.47 Sep. Now (ρ) 0.47"
Mag pri 8.52 Mag sec 13.20 delta mag (ΔM) 4.68 Spectral class B0V+A3V (blue-white/white)
Pri motion ra +000 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18042-2230 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 164863 18 04 13 -22 30 03 S 698 AB 2015 19 316 29.7 7.22 8.52 1.30
Show 18 04 13 -22 30 03 WFC 289 AD 2015 5 13 39.2 7.22 10.74 3.52
Show 18 04 11 -22 29 42 B 1875 BC 2002 3 236 0.5 8.52 13.20 4.68 <===
Show 18 04 13 -22 29 25 ARA 1842 DE 2020 8 110 12.6 10.60 12.90 2.30
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6263-00104-1 Gaia DR2 4069668640415991168 HD 313693