19405+3916 KOI 4427 AB

19h 40m 28.13s +39° 16' 26.7" P.A. 253.00 sep 3.2 mag 12.50,19.50

Coord 2000 19405+3916 Discov num KOI4427 Comp AB Coord arcsec 2000 19 40 28.13 +39 16 26.7
Date first 2014 Date last 2014 Obs 1
Pa first 253 Pa last 252.9 P.A. Now (θ) 252.9°
Sep first 3.2 Sep last 3.201 Sep. Now (ρ) 3.201"
Mag pri 12.50 Mag sec 19.50 delta mag (ΔM) 7 Spectral class
Pri motion ra +032 Sec motion ra
Pri motion dec +010 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.



19405+3916 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 40 28 +39 16 27 KOI 4427 AB 2014 1 253 3.2 12.50 19.50 7.00 <===
Show 19 40 28 +39 16 27 KOI 4427 AC 2014 1 146 3.4 12.50 20.30 7.80
Show 19 40 28 +39 16 27 KOI 4427 AD 2016 5 272 5.3 12.50 15.70 3.20


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 2076232790569562112