18551+4748 KOI 748 AC

 
 
18h 55m 03.71s +47° 48' 15.4" P.A. 54.00 sep 3.6 mag 13.10,17.70
 
 
Coord 2000 18551+4748 Discov num KOI 748 Comp AC Coord arcsec 2000 18 55 03.71 +47 48 15.4
Date first 2010 Date last 2010 Obs 1
Pa first 54 Pa last 54.4 P.A. Now (θ) 54.4°
Sep first 3.6 Sep last 3.631 Sep. Now (ρ) 3.631"
Mag pri 13.10 Mag sec 17.70 delta mag (ΔM) 4.6 Spectral class
Pri motion ra -044 Sec motion ra
Pri motion dec +021 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.
 
 
18551+4748 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 55 04 +47 48 15 KOI 748 AB 2010 1 75 3.0 13.10 17.90 4.80
Show 18 55 04 +47 48 15 KOI 748 AC 2010 1 54 3.6 13.10 17.70 4.60 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Gaia DR2 2131631787002387712