18517+1331 STF 2409 AC

 
 
18h 51m 43.74s +13° 31' 06.9" P.A. 196.00 sep 33.8 mag 8.46,12.96 Sp G5 dist. 261.1 pc (851.71 l.y.)
 
 
Coord 2000 18517+1331 Discov num STF2409 Comp AC Coord arcsec 2000 18 51 43.74 +13 31 06.9
Date first 1897 Date last 2015 Obs 13
Pa first 196 Pa last 196.2 P.A. Now (θ) 196.2°
Sep first 32.8 Sep last 33.792 Sep. Now (ρ) 33.792"
Mag pri 8.46 Mag sec 12.96 delta mag (ΔM) 4.5 Spectral class G5 (yellow)
Pri motion ra +010 Sec motion ra +005
Pri motion dec -004 Sec motion dec -008
Notes
rPM=0.595
Nature of this double is uncertain.
 
 
18517+1331 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174791 104190 18 51 44 +13 31 07 STF 2409 AB 2015 48 22 0.9 8.46 9.64 1.18
Show 104190 18 51 44 +13 31 07 STF 2409 AC 2015 13 196 33.8 8.46 12.96 4.50 <===
Show 104190 18 51 44 +13 31 07 WAL 96 AB,D 2014 5 291 72.7 8.15 13.10 4.95
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 104190 HIP 92565 Tycho2 1038-00509-1
Gaia DR2 4506988528369460992 HD 174791 BD BD+13 3783 Distance 261.1
Distance ly 851.71