18540-4716 DUN 224 AC

 
 
18h 54m 01.61s -47° 16' 27.4" P.A. 62.00 sep 87.2 mag 7.11,7.28 Sp A0IV/V dist. 68.92 pc (224.82 l.y.)
 
 
Coord 2000 18540-4716 Discov num DUN 224 Comp AC Coord arcsec 2000 18 54 01.61 -47 16 27.4
Date first 1835 Date last 2016 Obs 23
Pa first 64 Pa last 61.8 P.A. Now (θ) 61.8°
Sep first 82.1 Sep last 87.2 Sep. Now (ρ) 87.2"
Mag pri 7.11 Mag sec 7.28 delta mag (ΔM) 0.17 Spectral class A0IV/V (white)
Pri motion ra -009 Sec motion ra +021
Pri motion dec -038 Sec motion dec -021
Notes Z (Parallax indicates components are physical)
rPM=0.883
This double is physical.
 
 
18540-4716 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174691 229354 18 54 02 -47 16 27 I 112 AB 2016 20 193 2.1 7.11 9.05 1.94
Show 229354 18 54 02 -47 16 27 DUN 224 AC 2016 23 62 87.2 7.11 7.28 0.17 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Telescopium SAO 229354 HIP 92750 Tycho2 8377-00464-1
Gaia DR2 6710469826831780736 HD 174691 CD CD-4712603 CP CP-47 9096
Distance 68.92 Distance ly 224.82