17374+5040 ES 2661 BC

 
 
17h 37m 31.07s +50° 39' 54.2" P.A. 18.00 sep 14.9 mag 9.84,12.80
 
 
Coord 2000 17374+5040 Discov num ES 2661 Comp BC Coord arcsec 2000 17 37 31.07 +50 39 54.2
Date first 1909 Date last 2015 Obs 14
Pa first 28 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 13.5 Sep last 14.92 Sep. Now (ρ) 14.92"
Mag pri 9.84 Mag sec 12.80 delta mag (ΔM) 2.96 Spectral class
Pri motion ra +011 Sec motion ra
Pri motion dec -022 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17374+5040 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 160469 30486 17 37 25 +50 40 07 ES 2661 AB 2017 18 102 58.3 8.46 9.84 1.38
Show 17 37 31 +50 39 54 ES 2661 BC 2015 14 18 14.9 9.84 12.80 2.96 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 3522-01544-1 Gaia DR2 1368077002243567232