18043+4206 ROE 1 AB (HD 165503)

 
 
18h 04m 16.91s +42° 05' 45.0" P.A. 186.00 sep 24.3 mag 8.33,12.40 Sp A8III dist. 141.04 pc (460.07 l.y.)
 
 
Coord 2000 18043+4206 Discov num ROE   1 Comp AB Coord arcsec 2000 18 04 16.91 +42 05 45.0
Date first 1893 Date last 2015 Obs 14
Pa first 188 Pa last 186 P.A. Now (θ) 186°
Sep first 22.0 Sep last 24.257 Sep. Now (ρ) 24.257"
Mag pri 8.33 Mag sec 12.40 delta mag (ΔM) 4.07 Spectral class A8III (white)
Pri motion ra +009 Sec motion ra
Pri motion dec +029 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18043+4206 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 47188 18 04 17 +42 05 45 COU 1786 Aa,Ab 2016 35 11 0.2 8.33 9.11 0.78 Y
Show HD 165503 47188 18 04 17 +42 05 45 ROE 1 AB 2015 14 186 24.3 8.33 12.40 4.07 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165503 Constellation Hercules SAO 47188 HIP 88498
Tycho2 3110-01491-1 Gaia DR2 2113742900320323968 HD 165503 BD BD+42 2995
Distance 141.04 Distance ly 460.07