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
 
 
Precise pa
121.6
Precise sep
0.429
Cdsa2 id
KOI 640 AB
Constellation
Cygnus
Ra deg
19.816841666666665
De deg
40.28858333333333
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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