18277+1918 STF 2319 AC

 
 
18h 27m 43.94s +19° 17' 43.9" P.A. 268.00 sep 43.1 mag 8.41,10.74 Sp F5
 
 
Coord 2000 18277+1918 Discov num STF2319 Comp AC Coord arcsec 2000 18 27 43.94 +19 17 43.9
Date first 1829 Date last 2018 Obs 39
Pa first 279 Pa last 268.4 P.A. Now (θ) 268.4°
Sep first 38.4 Sep last 43.121 Sep. Now (ρ) 43.121"
Mag pri 8.41 Mag sec 10.74 delta mag (ΔM) 2.33 Spectral class F5 (yellow-white)
Pri motion ra +020 Sec motion ra -006
Pri motion dec +022 Sec motion dec -014
Notes
rPM=1.494
This double is not physical.
 
 
18277+1918 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 170267 103740 18 27 44 +19 17 44 STF 2319 AB 2019 121 190 5.3 8.41 8.23 0.18
Show 103740 18 27 44 +19 17 44 STF 2319 AC 2018 39 268 43.1 8.41 10.74 2.33 <===
Show 103740 18 27 44 +19 17 44 STF 2319 AD 2015 14 71 156.7 8.41 9.17 0.76
Show 18 27 44 +19 17 39 STF 2319 BC 2018 35 276 42.4 8.23 10.74 2.51
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 103740 Tycho2 1577-01902-1 Gaia DR2 4525128550381295616