17031-5314 HDO 263 AB

 
 
17h 03m 08.76s -53° 14' 13.1" P.A. 18.00 sep 46.1 mag 5.33,13.85 Sp F5V dist. 27.23 pc (88.82 l.y.)
 
 
Coord 2000 17031-5314 Discov num HDO 263 Comp AB Coord arcsec 2000 17 03 08.76 -53 14 13.1
Date first 1891 Date last 1999 Obs 2
Pa first 20 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 25.0 Sep last 46.09 Sep. Now (ρ) 46.09"
Mag pri 5.33 Mag sec 13.85 delta mag (ΔM) 8.52 Spectral class F5V (yellow-white)
Pri motion ra -017 Sec motion ra +013
Pri motion dec -118 Sec motion dec +007
Notes N (See Notes)
rPM=1.078
This double is not physical.
 
 
17031-5314 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Eps2 Ara 244388 17 03 09 -53 14 13 HDS 2412 Aa,Ab 2021 29 151 0.7 5.44 8.65 3.21 Y
Show 244388 17 03 09 -53 14 13 HDO 263 AB 1999 2 18 46.1 5.33 13.85 8.52 <===
Show 244388 17 03 09 -53 14 13 SKF 103 AC 2015 3 258 113.6 5.33 13.48 8.15
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ara SAO 244388 HIP 83431 Tycho2 8726-02209-1
Gaia DR2 5923907314622859520 HD 153580 HR 6314 GC 22956
GL NN 3985 CP CP-53 8316 Bayer Epsilon 2 Arae Bayer name Eps2 Ara
Distance 27.23 Distance ly 88.82 Bayer greek ε2 Ara