20027+3340 HO 118 AB (HD 331635)

 
 
20h 02m 46.30s +33 39' 58.0" P.A. 28.00 sep 3.0 mag 10.00,11.90 Sp G
 
 
Coord 2000 20027+3340 Discov num HO  118 Comp AB Coord arcsec 2000 20 02 46.30 +33 39 58.0
Date first 1883 Date last 2016 Obs 13
Pa first 27 Pa last 27.7 P.A. Now (θ) 27.7°
Sep first 2.9 Sep last 2.957 Sep. Now (ρ) 2.957"
Mag pri 10.00 Mag sec 11.90 delta mag (ΔM) 1.9 Spectral class G (yellow)
Pri motion ra -009 Sec motion ra
Pri motion dec -032 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20027+3340 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 331635 20 02 46 +33 39 58 HO 118 AB 2016 13 28 3.0 10.00 11.90 1.90 <===
Show 20 02 46 +33 39 58 DAM 7 AC 2015 5 308 60.7 9.59 12.21 2.62
Show 20 02 42 +33 40 35 WAK 13 CD 2015 4 6 2.9 12.20 14.50 2.30
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 331635 Constellation Cygnus Tycho2 2674-05721-1 Gaia DR2 2058244436768873600
HD 331635