19517+4521 KOI 1993 AB

 
 
19h 51m 40.47s +45° 20' 49.4" P.A. 290.00 sep 3.0 mag 12.90,17.60
 
 
Coord 2000 19517+4521 Discov num KOI1993 Comp AB Coord arcsec 2000 19 51 40.47 +45 20 49.4
Date first 2010 Date last 2010 Obs 1
Pa first 290 Pa last 289.8 P.A. Now (θ) 289.8°
Sep first 3.0 Sep last 2.955 Sep. Now (ρ) 2.955"
Mag pri 12.90 Mag sec 17.60 delta mag (ΔM) 4.7 Spectral class
Pri motion ra +004 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.
 
 
19517+4521 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 51 40 +45 20 49 KOI 1993 AB 2010 1 290 3.0 12.90 17.60 4.70 <===
Show 19 51 40 +45 20 49 KOI 1993 AC 2010 1 14 3.5 12.90 18.20 5.30
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2079372411658905856