17165+3448 POP 77 AB

 
 
17h 16m 30.78s +34° 49' 02.7" P.A. 323.00 sep 5.5 mag 10.91,13.60
 
 
Coord 2000 17165+3448 Discov num POP  77 Comp AB Coord arcsec 2000 17 16 30.78 +34 49 02.7
Date first 1972 Date last 2017 Obs 22
Pa first 321 Pa last 322.8 P.A. Now (θ) 322.8°
Sep first 4.4 Sep last 5.5 Sep. Now (ρ) 5.5"
Mag pri 10.91 Mag sec 13.60 delta mag (ΔM) 2.69 Spectral class
Pri motion ra -058 Sec motion ra
Pri motion dec +018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17165+3448 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 16 31 +34 49 03 POP 77 AB 2017 22 323 5.5 10.91 13.60 2.69 <===
Show 17 16 31 +34 49 03 POP 77 AC 2015 28 343 62.4 10.91 11.43 0.52
Show 17 16 29 +34 50 03 POP 77 CD 2017 16 81 10.4 11.43 13.70 2.27
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 2600-00911-1 Gaia DR2 1335218509564690816