20170+1716 OSO 123 AE

 
 
20h 17m 01.33s +17 15' 45.9" P.A. 44.00 sep 26.2 mag 10.61,18.30 Sp K5
 
 
Coord 2000 20170+1716 Discov num OSO 123 Comp AE Coord arcsec 2000 20 17 01.33 +17 15 45.9
Date first 1994 Date last 2014 Obs 8
Pa first 45 Pa last 43.7 P.A. Now (θ) 43.7°
Sep first 20.7 Sep last 26.162 Sep. Now (ρ) 26.162"
Mag pri 10.61 Mag sec 18.30 delta mag (ΔM) 7.69 Spectral class K5 (yellow-orange)
Pri motion ra -201 Sec motion ra
Pri motion dec -208 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20170+1716 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 17 01 +17 15 46 OSO 123 AB 1994 2 264 10.0 10.61 18.30 7.69
Show 20 17 01 +17 15 46 OSO 123 AC 2015 11 349 17.9 10.61 14.20 3.59
Show 20 17 01 +17 15 46 OSO 123 AD 2015 11 99 21.1 10.61 13.30 2.69
Show 20 17 01 +17 15 46 OSO 123 AE 2014 8 44 26.2 10.61 18.30 7.69 <===
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Tycho2 1635-00284-1 Gaia DR2 1809167910169472256 HD 351944