04593+3101 HO 17 AB (HD 31707)

 
 
04h 59m 20.56s +31° 00' 49.5" P.A. 59.00 sep 4.5 mag 8.43,10.40 Sp F8
 
 
Coord 2000 04593+3101 Discov num HO   17 Comp AB Coord arcsec 2000 04 59 20.56 +31 00 49.5
Date first 1882 Date last 2016 Obs 22
Pa first 52 Pa last 58.9 P.A. Now (θ) 58.9°
Sep first 4.4 Sep last 4.452 Sep. Now (ρ) 4.452"
Mag pri 8.43 Mag sec 10.40 delta mag (ΔM) 1.97 Spectral class F8 (yellow-white)
Pri motion ra +010 Sec motion ra -013
Pri motion dec -050 Sec motion dec +043
Notes
rPM=1.879
This double is not physical.
 
 
04593+3101 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 31707 57552 04 59 21 +31 00 50 HO 17 AB 2016 22 59 4.5 8.43 10.40 1.97 <===
Show 57552 04 59 21 +31 00 50 HO 17 AC 2015 10 170 6.4 8.43 12.40 3.97
Show 57552 04 59 21 +31 00 50 HJL 1039 AD 2015 13 12 158.4 8.43 7.66 0.77
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 31707 Constellation Auriga SAO 57552 Tycho2 2388-01000-1
Gaia DR2 157039397504919168 HD 31707 ADS 3577