18042-2230 WFC 289 AD

 
 
18h 04m 12.64s -22° 30' 03.2" P.A. 13.00 sep 39.2 mag 7.22,10.74 Sp O
 
 
Coord 2000 18042-2230 Discov num WFC 289 Comp AD Coord arcsec 2000 18 04 12.64 -22 30 03.2
Date first 1921 Date last 2015 Obs 5
Pa first 12 Pa last 13 P.A. Now (θ) 13°
Sep first 39.0 Sep last 39.162 Sep. Now (ρ) 39.162"
Mag pri 7.22 Mag sec 10.74 delta mag (ΔM) 3.52 Spectral class O (blue)
Pri motion ra +000 Sec motion ra +006
Pri motion dec -004 Sec motion dec -002
Notes
rPM=1
This double is not physical.
 
 
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 6842-00246-1 Gaia DR2 4069668567378351616 HD 164863