19415+3903 KOI2904AD

 
 
19H 41M 30.57S +39 02' 52.9" P.A. 21 SEP 8.5 MAG 12.68,17.00
 
 
Coord 2000
19415+3903
Discov num
KOI2904
Comp
AD
Coord arcsec 2000
19 41 30.57 +39 02 52.9
Date first
1998
Date last
2013
Obs
2
Pa first
21
Pa last
21
P.A. Now (θ)
21°
Sep first
8.9
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
12.68
Mag sec
17.00
delta mag (ΔM)
4.32
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
21.3
last precise sep
8.488