19490+4017 KOI 640AC

 
 
19H 49M 00.63S +40 17' 18.9" P.A. 308 SEP 1.2 MAG 11.50,17.40
 
 
Coord 2000
19490+4017
Discov num
KOI 640
Comp
AC
Coord arcsec 2000
19 49 00.63 +40 17 18.9
Date first
2014
Date last
2014
Obs
1
Pa first
308
Pa last
308
P.A. Now (θ)
308°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
11.50
Mag sec
17.40
delta mag (ΔM)
5.9
Spectral class
Pri motion ra
-027
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19490+4017 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19490+4017 KOI 640 AB 2011 2014 6 122 0.4 13.50 14.20 0.70
Show 19490+4017 KOI 640 AC 2014 2014 1 308 1.2 11.50 17.40 5.90 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
308.3
last precise sep
1.168