17013-2808 B 326 AB,C (HD 153533)

 
 
17h 01m 16.10s -28° 08' 24.2" P.A. 287.00 sep 1.0 mag 9.00,11.80 Sp F6V
 
 
Coord 2000 17013-2808 Discov num B   326 Comp AB,C Coord arcsec 2000 17 01 16.10 -28 08 24.2
Date first 1926 Date last 2017 Obs 4
Pa first 296 Pa last 286.6 P.A. Now (θ) 286.6°
Sep first 0.9 Sep last 0.965 Sep. Now (ρ) 0.965"
Mag pri 9.00 Mag sec 11.80 delta mag (ΔM) 2.8 Spectral class F6V (yellow-white)
Pri motion ra -022 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
17013-2808 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 184920 17 01 16 -28 08 24 B 326 AB 1991 8 89 0.3 9.70 9.90 0.20
Show HD 153533 184920 17 01 16 -28 08 24 B 326 AB,C 2017 4 287 1.0 9.00 11.80 2.80 <===
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 153533 Constellation Ophiuchus SAO 184920 Tycho2 6822-00168-1
Gaia DR2 6030173047533027200 HD 153533