19218+4423 KOI 689 BC

 
 
19h 21m 53.12s +44° 23' 13.4" P.A. 212.00 sep 3.9 mag 12.10,18.70
 
 
Coord 2000 19218+4423 Discov num KOI 689 Comp BC Coord arcsec 2000 19 21 53.12 +44 23 13.4
Date first 2010 Date last 2015 Obs 3
Pa first 212 Pa last 212 P.A. Now (θ) 212°
Sep first 3.9 Sep last 3.89 Sep. Now (ρ) 3.89"
Mag pri 12.10 Mag sec 18.70 delta mag (ΔM) 6.6 Spectral class
Pri motion ra +020 Sec motion ra
Pri motion dec -002 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.
 
 
19218+4423 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 21 51 +44 23 08 DEA 429 AB 2016 11 76 24.7 13.80 14.00 0.20
Show 19 21 53 +44 23 13 KOI 689 BC 2015 3 212 3.9 12.10 18.70 6.60 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus