17228-4537 EVS 30 AB

 
 
17h 22m 46.47s -45° 36' 51.3" P.A. 268.00 sep 14.4 mag 6.65,16.49 Sp F7/7Ib/II dist. 869.57 pc (2836.54 l.y.)
 
 
Coord 2000 17228-4537 Discov num EVS  30 Comp AB Coord arcsec 2000 17 22 46.47 -45 36 51.3
Date first 2011 Date last 2011 Obs 1
Pa first 268 Pa last 268 P.A. Now (θ) 268°
Sep first 14.4 Sep last 14.4 Sep. Now (ρ) 14.4"
Mag pri 6.65 Mag sec 16.49 delta mag (ΔM) 9.84 Spectral class F7/7Ib/II (yellow-white)
Pri motion ra -003 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
17228-4537 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V636 Sco 227880 17 22 46 -45 36 51 GAA 15 Aa,Ab 2017 1 235 0.0 5.50 5.40 0.10
Show 227880 17 22 46 -45 36 51 EVS 30 AB 2011 1 268 14.4 6.65 16.49 9.84 <===
Show 227880 17 22 46 -45 36 51 EVS 30 AC 2011 2 215 18.0 6.65 15.83 9.18
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V636 Sco Constellation Scorpius SAO 227880 HIP 85035
Tycho2 8341-00720-1 Gaia DR2 5952775576537356544 HD 156979 GC 23458
CD CD-4511441 CP CP-45 8503 Distance 869.57 Distance ly 2836.54