19490+4017 KOI 640 AB

 
 
19h 49m 00.63s +40° 17' 18.9" P.A. 121.00 sep 0.4 mag 14.50,14.20
 
 
Coord 2000 19490+4017 Discov num KOI 640 Comp AB Coord arcsec 2000 19 49 00.63 +40 17 18.9
Date first 2011 Date last 2017 Obs 14
Pa first 120 Pa last 120.9 P.A. Now (θ) 120.9°
Sep first 0.4 Sep last 0.427 Sep. Now (ρ) 0.427"
Mag pri 14.50 Mag sec 14.20 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -029 Sec motion ra
Pri motion dec -017 Sec motion dec
Notes V (Proper motion indicates physical)
This double is physical.
 
 
19490+4017 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 49 01 +40 17 19 KOI 640 AB 2017 14 121 0.4 14.50 14.20 0.30 <===
Show 19 49 01 +40 17 19 KOI 640 AC 2014 1 308 1.2 11.50 17.40 5.90
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus