19490+4017 KOI 640 AC

19h 49m 00.63s +40° 17' 18.9" P.A. 308.00 sep 1.2 mag 11.50,17.40

Coord 2000 19490+4017 Discov num KOI 640 Comp AC Coord arcsec 2000 19 49 00.63 +40 17 18.9
Date first 2014 Date last 2014 Obs 1
Pa first 308 Pa last 308.3 P.A. Now (θ) 308.3°
Sep first 1.2 Sep last 1.168 Sep. Now (ρ) 1.168"
Mag pri 11.50 Mag sec 17.40 delta mag (ΔM) 5.9 Spectral class
Pri motion ra -027 Sec motion ra
Pri motion dec -018 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.



19490+4017 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 49 01 +40 17 19 KOI 640 AB 2017 14 121 0.4 14.50 14.20 0.30
Show 19 49 01 +40 17 19 KOI 640 AC 2014 1 308 1.2 11.50 17.40 5.90 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus