19415+3903 KOI2904AC

 
 
19H 41M 30.57S +39 02' 52.9" P.A. 50 SEP 5.3 MAG 12.68,16.30
 
 
Coord 2000
19415+3903
Discov num
KOI2904
Comp
AC
Coord arcsec 2000
19 41 30.57 +39 02 52.9
Date first
1998
Date last
2013
Obs
2
Pa first
49
Pa last
50
P.A. Now (θ)
50°
Sep first
5.6
Sep last
5.3
Sep. Now (ρ)
5.3"
Mag pri
12.68
Mag sec
16.30
delta mag (ΔM)
3.62
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N R (See Notes, Red magnitudes)
Nature of this double is uncertain.
 
 
19415+3903 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19415+3903 KOI2904 AB 2012 2014 12 227 0.7 12.68 15.80 3.12
Show 19415+3903 KOI2904 AC 1998 2013 2 50 5.3 12.68 16.30 3.62 <===
Show 19415+3903 KOI2904 AD 1998 2013 2 21 8.5 12.68 17.00 4.32
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cygnus
last precise pa
49.5
last precise sep
5.274