18518+4734 KOI 289 AC

 
 
18h 51m 46.96s +47° 34' 29.7" P.A. 52.00 sep 3.3 mag 11.20,19.00
 
 
Coord 2000 18518+4734 Discov num KOI 289 Comp AC Coord arcsec 2000 18 51 46.96 +47 34 29.7
Date first 2009 Date last 2014 Obs 2
Pa first 309 Pa last 52.1 P.A. Now (θ) 52.1°
Sep first 3.2 Sep last 3.26 Sep. Now (ρ) 3.26"
Mag pri 11.20 Mag sec 19.00 delta mag (ΔM) 7.8 Spectral class
Pri motion ra -025 Sec motion ra
Pri motion dec +010 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.
 
 
18518+4734 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 51 47 +47 34 30 KOI 289 AB 2014 1 233 0.0 11.80 12.00 0.20
Show 18 51 47 +47 34 30 KOI 289 AC 2014 2 52 3.3 11.20 19.00 7.80 <===
Show 18 51 47 +47 34 30 KOI 289 AD 2009 1 88 5.9 11.20 19.80 8.60
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2107644188496163200