17473+2241 COU 633 AB

 
 
17h 47m 19.05s +22° 40' 47.4" P.A. 237.00 sep 3.0 mag 9.63,13.40 Sp G0
 
 
Coord 2000 17473+2241 Discov num COU 633 Comp AB Coord arcsec 2000 17 47 19.05 +22 40 47.4
Date first 1971 Date last 2016 Obs 5
Pa first 237 Pa last 236.8 P.A. Now (θ) 236.8°
Sep first 2.5 Sep last 2.964 Sep. Now (ρ) 2.964"
Mag pri 9.63 Mag sec 13.40 delta mag (ΔM) 3.77 Spectral class G0 (yellow)
Pri motion ra +007 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17473+2241 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 47 19 +22 40 47 GII 252 Aa,Ab 2014 1 140 0.2 10.40 10.40 0.00
Show 17 47 19 +22 40 47 COU 633 AB 2016 5 237 3.0 9.63 13.40 3.77 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2077-02076-1