19587+4026 KOI 643 AC

19h 58m 43.51s +40° 25' 42.3" P.A. 197.00 sep 3.3 mag 12.50,13.10

Coord 2000 19587+4026 Discov num KOI 643 Comp AC Coord arcsec 2000 19 58 43.51 +40 25 42.3
Date first 2010 Date last 2015 Obs 2
Pa first 197 Pa last 196.9 P.A. Now (θ) 196.9°
Sep first 3.4 Sep last 3.299 Sep. Now (ρ) 3.299"
Mag pri 12.50 Mag sec 13.10 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +008 Sec motion ra
Pri motion dec +013 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.



19587+4026 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 58 44 +40 25 42 KOI 643 AB 2015 2 279 2.2 12.50 12.60 0.10
Show 19 58 44 +40 25 42 KOI 643 AC 2015 2 197 3.3 12.50 13.10 0.60 <===


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 2075036517608962944