19559+4048 KOI 3309 AC

 
 
19h 55m 52.39s +40° 47' 50.4" P.A. 43.00 sep 3.6 mag 15.10,17.90
 
 
Coord 2000 19559+4048 Discov num KOI3309 Comp AC Coord arcsec 2000 19 55 52.39 +40 47 50.4
Date first 2010 Date last 2015 Obs 4
Pa first 43 Pa last 43.3 P.A. Now (θ) 43.3°
Sep first 3.6 Sep last 3.557 Sep. Now (ρ) 3.557"
Mag pri 15.10 Mag sec 17.90 delta mag (ΔM) 2.8 Spectral class
Pri motion ra +005 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
19559+4048 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 55 52 +40 47 50 KOI 3309 AB 2014 1 205 0.6 13.00 14.40 1.40
Show 19 55 52 +40 47 50 KOI 3309 AC 2015 4 43 3.6 15.10 17.90 2.80 <===
Show 19 55 52 +40 47 50 KOI 3309 AD 2014 1 243 5.3 12.70 20.20 7.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2073620144794635136