19540+4129 KOI1686AD

 
 
19H 54M 01.74S +41 28' 44.5" P.A. 346 SEP 3.8 MAG 12.50,18.60
 
 
Coord 2000
19540+4129
Discov num
KOI1686
Comp
AD
Coord arcsec 2000
19 54 01.74 +41 28 44.5
Date first
2010
Date last
2013
Obs
3
Pa first
348
Pa last
346
P.A. Now (θ)
346°
Sep first
4.0
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
12.50
Mag sec
18.60
delta mag (ΔM)
6.1
Spectral class
Pri motion ra
+006
Sec motion ra
Pri motion dec
+039
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19540+4129 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19540+4129 KOI1686 AB 2013 2013 1 41 0.0 13.10 13.40 0.30
Show 19540+4129 KOI1686 AC 2013 2013 2 261 3.5 12.50 19.80 7.30
Show 19540+4129 KOI1686 AD 2010 2013 3 346 3.8 12.50 18.60 6.10 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
346
last precise sep
3.826