18028-4601 B 1874 AB (HD 164324)

 
 
18h 02m 46.33s -46° 01' 20.1" P.A. 309.00 sep 2.8 mag 9.59,12.06 Sp F3IV/V dist. 306.75 pc (1000.62 l.y.)
 
 
Coord 2000 18028-4601 Discov num B  1874 Comp AB Coord arcsec 2000 18 02 46.33 -46 01 20.1
Date first 1932 Date last 2016 Obs 4
Pa first 308 Pa last 309 P.A. Now (θ) 309°
Sep first 2.7 Sep last 2.8 Sep. Now (ρ) 2.8"
Mag pri 9.59 Mag sec 12.06 delta mag (ΔM) 2.47 Spectral class F3IV/V (yellow-white)
Pri motion ra +006 Sec motion ra +000
Pri motion dec -023 Sec motion dec -022
Notes
rPM=0.256 (< 0.3, Physical double)
This double is physical.
 
 
18028-4601 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 164324 228649 18 02 46 -46 01 20 B 1874 AB 2016 4 309 2.8 9.59 12.06 2.47 <===
Show 228649 18 02 46 -46 01 20 B 1874 AC 2015 7 101 9.6 9.59 13.19 3.60
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164324 Constellation Ara SAO 228649 HIP 88375
Tycho2 8357-02243-1 Gaia DR2 6720513934287839488 HD 164324 CD CD-4612055
CP CP-46 9058 Distance 306.75 Distance ly 1000.62