20042+4442 KOI 917 AC

 
 
20h 04m 11.89s +44° 42' 22.6" P.A. 177.00 sep 3.9 mag 13.50,17.80
 
 
Coord 2000 20042+4442 Discov num KOI 917 Comp AC Coord arcsec 2000 20 04 11.89 +44 42 22.6
Date first 2010 Date last 2010 Obs 1
Pa first 177 Pa last 176.5 P.A. Now (θ) 176.5°
Sep first 3.9 Sep last 3.866 Sep. Now (ρ) 3.866"
Mag pri 13.50 Mag sec 17.80 delta mag (ΔM) 4.3 Spectral class
Pri motion ra +000 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.
 
 
20042+4442 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 04 12 +44 42 23 KOI 917 AB 2015 2 43 2.7 13.50 18.00 4.50
Show 20 04 12 +44 42 23 KOI 917 AC 2010 1 177 3.9 13.50 17.80 4.30 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2082086723605479424