18026-2415 ARG 31 AC

 
 
18h 02m 38.62s -24° 15' 19.3" P.A. 26.00 sep 35.6 mag 7.40,8.63 Sp B3
 
 
Coord 2000 18026-2415 Discov num ARG  31 Comp AC Coord arcsec 2000 18 02 38.62 -24 15 19.3
Date first 1879 Date last 2018 Obs 20
Pa first 25 Pa last 26.2 P.A. Now (θ) 26.2°
Sep first 36.5 Sep last 35.6 Sep. Now (ρ) 35.6"
Mag pri 7.40 Mag sec 8.63 delta mag (ΔM) 1.23 Spectral class B3 (blue-white)
Pri motion ra -002 Sec motion ra +001
Pri motion dec -004 Sec motion dec -003
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
18026-2415 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 164536 186152 18 02 39 -24 15 19 RST 3149 AB 2002 3 62 1.7 7.40 12.40 5.00
Show 186152 18 02 39 -24 15 19 ARG 31 AC 2018 20 26 35.6 7.40 8.63 1.23 <===
Show 186152 18 02 39 -24 15 19 BU 1462 AD 2015 8 196 27.3 7.40 11.69 4.29
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius SAO 186152 Tycho2 6842-01723-1 Gaia DR2 4066038327907518848
HD 164536