20012+4444 KOI 4458 AD

 
 
20h 01m 10.10s +44° 43' 51.7" P.A. 9.00 sep 4.0 mag 12.50,18.40
 
 
Coord 2000 20012+4444 Discov num KOI4458 Comp AD Coord arcsec 2000 20 01 10.10 +44 43 51.7
Date first 2015 Date last 2015 Obs 2
Pa first 8 Pa last 8.7 P.A. Now (θ) 8.7°
Sep first 4.0 Sep last 3.976 Sep. Now (ρ) 3.976"
Mag pri 12.50 Mag sec 18.40 delta mag (ΔM) 5.9 Spectral class
Pri motion ra -004 Sec motion ra
Pri motion dec +004 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.
 
 
20012+4444 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 01 10 +44 43 52 KOI 4458 AB 2015 4 61 1.5 12.50 15.70 3.20
Show 20 01 10 +44 43 52 KOI 4458 AC 2015 2 264 2.0 12.50 18.60 6.10
Show 20 01 10 +44 43 52 KOI 4458 AD 2015 2 9 4.0 12.50 18.40 5.90 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2076141428024552192