19490+4017 KOI 640AB

 
 
19h 49m 00.63s +40 17' 18.9" P.A. 122 sep 0.4 mag 13.50,14.20
 
 
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
2014
Obs
6
Pa first
120
Pa last
122
P.A. Now (θ)
122°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
13.50
Mag sec
14.20
delta mag (ΔM)
0.7
Spectral class
Pri motion ra
-029
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
R (Red 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
121.6
last precise sep
0.429
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19490+4017 KOI 640 AB 2014 2 302 0.4 13.50 14.20 R 194900.63+401718.9

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