16539-1854 DON 815 AB

 
 
16h 53m 56.89s -18° 54' 20.7" P.A. 221.00 sep 2.7 mag 8.83,14.00 Sp A2IV/V
 
 
Coord 2000 16539-1854 Discov num DON 815 Comp AB Coord arcsec 2000 16 53 56.89 -18 54 20.7
Date first 1932 Date last 2016 Obs 5
Pa first 222 Pa last 220.8 P.A. Now (θ) 220.8°
Sep first 2.2 Sep last 2.682 Sep. Now (ρ) 2.682"
Mag pri 8.83 Mag sec 14.00 delta mag (ΔM) 5.17 Spectral class A2IV/V (white)
Pri motion ra -020 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
16539-1854 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 160150 16 53 57 -18 54 21 DON 815 AB 2016 5 221 2.7 8.83 14.00 5.17 <===
Show 160150 16 53 57 -18 54 21 DON 815 AC 2015 4 320 9.3 8.83 13.20 4.37
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 160150 Tycho2 6226-01514-1 Gaia DR2 4132096123183061248
HD 152419