20177+3331 HJ 1500 AC

 
 
20h 17m 43.96s +33° 31' 18.7" P.A. 336.00 sep 32.2 mag 9.45,12.80 Sp F5
 
 
Coord 2000 20177+3331 Discov num HJ 1500 Comp AC Coord arcsec 2000 20 17 43.96 +33 31 18.7
Date first 1904 Date last 2015 Obs 10
Pa first 316 Pa last 335.8 P.A. Now (θ) 335.8°
Sep first 30.2 Sep last 32.2 Sep. Now (ρ) 32.2"
Mag pri 9.45 Mag sec 12.80 delta mag (ΔM) 3.35 Spectral class F5 (yellow-white)
Pri motion ra +015 Sec motion ra +000
Pri motion dec -031 Sec motion dec -006
Notes
rPM=0.847
This double is not physical.
 
 
20177+3331 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 228771 69767 20 17 44 +33 31 19 HJ 1500 AB 2015 17 53 17.7 9.45 10.60 1.15
Show 69767 20 17 44 +33 31 19 HJ 1500 AC 2015 10 336 32.2 9.45 12.80 3.35 <===
Show 69767 20 17 44 +33 31 19 HJ 1500 AD 2015 12 318 40.9 9.45 12.40 2.95
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69767 Tycho2 2676-00756-1 Gaia DR2 2055377254020660864
HD 228771 DM BD+33 3843