19415+3903 KOI2904AB

 
 
19h 41m 30.57s +39 02' 52.9" P.A. 226.00 sep 0.7 mag 12.68,15.80
 
 
Coord 2000
19415+3903
Discov num
KOI2904
Comp
AB
Coord arcsec 2000
19 41 30.57 +39 02 52.9
Date first
2012
Date last
2014
Obs
12
Pa first
226
Pa last
226
P.A. Now (θ)
226°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
12.68
Mag sec
15.80
delta mag (ΔM)
3.12
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N R (See Notes, Red magnitudes)
Visually invisible, K-band or other infrared star 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 12 226 0.7 12.68 15.80 3.12 <===
Show 19415+3903 KOI2904 AC 1998 2017 5 53 3.9 12.90 16.80 3.90
Show 19415+3903 KOI2904 AD 1998 2017 5 24 7.7 12.90 16.90 4.00
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.4
Precise sep
0.69
Constellation
Cygnus
Gaia DR2
59319258368
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19415+3903 KOI2904 AB 2013 1 226 0.7 12.68 15.80 R 194130.57+390252.9
19415+3903 KOI2904 AB 2014 12 227 0.7 12.68 15.80 N R 194130.57+390252.9

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