18277+1918 STF 2319 AD

 
 
18h 27m 43.94s +19° 17' 43.9" P.A. 71.00 sep 156.7 mag 8.41,9.17 Sp F5
 
 
Coord 2000 18277+1918 Discov num STF2319 Comp AD Coord arcsec 2000 18 27 43.94 +19 17 43.9
Date first 1896 Date last 2015 Obs 14
Pa first 67 Pa last 70.5 P.A. Now (θ) 70.5°
Sep first 159.5 Sep last 156.717 Sep. Now (ρ) 156.717"
Mag pri 8.41 Mag sec 9.17 delta mag (ΔM) 0.76 Spectral class F5 (yellow-white)
Pri motion ra +020 Sec motion ra +036
Pri motion dec +022 Sec motion dec -086
Notes
rPM=1.171
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
HD 348701