19489+4723 KOI2390AD

 
 
19H 48M 51.79S +47 22' 42.6" P.A. 237 SEP 5.8 MAG 10.80,14.80
 
 
Coord 2000
19489+4723
Discov num
KOI2390
Comp
AD
Coord arcsec 2000
19 48 51.79 +47 22 42.6
Date first
1998
Date last
2012
Obs
3
Pa first
236
Pa last
237
P.A. Now (θ)
237°
Sep first
5.7
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
10.80
Mag sec
14.80
delta mag (ΔM)
4
Spectral class
Pri motion ra
+008
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19489+4723 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19489+4723 KOI2390 AB 2012 2012 1 119 0.9 10.80 17.30 6.50
Show 19489+4723 KOI2390 AC 2012 2012 1 119 4.5 10.80 16.00 5.20
Show 19489+4723 KOI2390 AD 1998 2012 3 237 5.8 10.80 14.80 4.00 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
236.9
Precise sep
5.832
Constellation
Cygnus
last precise pa
236.9
last precise sep
5.832