19304+4114 KOI 6640 AB

19h 30m 25.99s +41° 13' 30.7" P.A. 216.00 sep 3.2 mag 12.50,17.10

Coord 2000 19304+4114 Discov num KOI6640 Comp AB Coord arcsec 2000 19 30 25.99 +41 13 30.7
Date first 2010 Date last 2015 Obs 2
Pa first 216 Pa last 216.2 P.A. Now (θ) 216.2°
Sep first 3.2 Sep last 3.22 Sep. Now (ρ) 3.22"
Mag pri 12.50 Mag sec 17.10 delta mag (ΔM) 4.6 Spectral class
Pri motion ra -009 Sec motion ra
Pri motion dec -015 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.



19304+4114 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 30 26 +41 13 31 KOI 6640 AB 2015 2 216 3.2 12.50 17.10 4.60 <===
Show 19 30 26 +41 13 31 KOI 6640 AC 2010 1 320 3.6 12.50 19.40 6.90


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 2053609376749634816