18489+1615 STF 2400 AC

 
 
18h 48m 54.88s +16° 15' 24.4" P.A. 161.00 sep 10.9 mag 8.08,10.60 Sp G0 dist. 128.7 pc (419.82 l.y.)
 
 
Coord 2000 18489+1615 Discov num STF2400 Comp AC Coord arcsec 2000 18 48 54.88 +16 15 24.4
Date first 1883 Date last 2015 Obs 31
Pa first 202 Pa last 161 P.A. Now (θ) 161°
Sep first 2.1 Sep last 10.9 Sep. Now (ρ) 10.9"
Mag pri 8.08 Mag sec 10.60 delta mag (ΔM) 2.52 Spectral class G0 (yellow)
Pri motion ra -033 Sec motion ra
Pri motion dec +064 Sec motion dec
Notes N L (See Notes, Linear solution)
Nature of this double is uncertain.
 
 
18489+1615 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174224 18 48 55 +16 15 24 STF 2400 AB 2014 41 159 9.7 8.08 11.10 3.02
Show 18 48 55 +16 15 24 STF 2400 A,BC 2016 34 160 11.0 8.08 10.20 2.12
Show 18 48 55 +16 15 24 STF 2400 AC 2015 31 161 10.9 8.08 10.60 2.52 <===
Show 104127 18 48 55 +16 15 24 STF 2400 AD 1900 4 157 0.4 8.08
Show 18 48 55 +16 15 15 STF 2400 BC 2016 35 201 1.0 11.10 10.60 0.50
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 92317 Tycho2 1584-01984-1 Gaia DR2 4510996390003527808
HD 174224 BD BD+16 3622 Distance 128.7 Distance ly 419.82