19540+4129 KOI 1686 AC

 
 
19h 54m 01.74s +41° 28' 44.5" P.A. 261.00 sep 3.5 mag 12.50,19.80
 
 
Coord 2000 19540+4129 Discov num KOI1686 Comp AC Coord arcsec 2000 19 54 01.74 +41 28 44.5
Date first 2013 Date last 2013 Obs 2
Pa first 261 Pa last 261.4 P.A. Now (θ) 261.4°
Sep first 3.5 Sep last 3.483 Sep. Now (ρ) 3.483"
Mag pri 12.50 Mag sec 19.80 delta mag (ΔM) 7.3 Spectral class
Pri motion ra +006 Sec motion ra
Pri motion dec +039 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
19540+4129 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 54 02 +41 28 44 KOI 1686 AB 2013 1 41 0.0 13.10 13.40 0.30
Show 19 54 02 +41 28 44 KOI 1686 AC 2013 2 261 3.5 12.50 19.80 7.30 <===
Show 19 54 02 +41 28 44 KOI 1686 AD 2013 3 346 3.8 12.50 18.60 6.10
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2075385994820474752