19471+4145 KOI 509 AB

19h 47m 05.25s +41° 45' 19.9" P.A. 306.00 sep 2.8 mag 13.20,17.40

Coord 2000 19471+4145 Discov num KOI 509 Comp AB Coord arcsec 2000 19 47 05.25 +41 45 19.9
Date first 2010 Date last 2015 Obs 3
Pa first 307 Pa last 306.1 P.A. Now (θ) 306.1°
Sep first 2.9 Sep last 2.836 Sep. Now (ρ) 2.836"
Mag pri 13.20 Mag sec 17.40 delta mag (ΔM) 4.2 Spectral class
Pri motion ra -005 Sec motion ra
Pri motion dec +006 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.



19471+4145 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 47 05 +41 45 20 KOI 509 AB 2015 3 306 2.8 13.20 17.40 4.20 <===
Show 19 47 05 +41 45 20 KOI 509 AC 2015 3 55 2.8 13.20 16.60 3.40


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 2076955822541823744