18500+1519 LLO 16 AD

 
 
18h 50m 02.00s +15° 18' 40.3" P.A. 225.00 sep 15.7 mag 5.99,13.50 Sp F8 dist. 53.22 pc (173.6 l.y.)
 
 
Coord 2000 18500+1519 Discov num LLO  16 Comp AD Coord arcsec 2000 18 50 02.00 +15 18 40.3
Date first 1999 Date last 2015 Obs 4
Pa first 225 Pa last 225.1 P.A. Now (θ) 225.1°
Sep first 15.7 Sep last 15.736 Sep. Now (ρ) 15.736"
Mag pri 5.99 Mag sec 13.50 delta mag (ΔM) 7.51 Spectral class F8 (yellow-white)
Pri motion ra +102 Sec motion ra
Pri motion dec +131 Sec motion dec
Notes N U K (See Notes, Proper motion indicates non-physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is not physical.
 
 
18500+1519 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 174457 104160 18 50 02 +15 18 40 YSC 12 AB 2019 19 35 0.5 7.60 11.30 3.70 Y
Show 104160 18 50 02 +15 18 40 LLO 16 AC 2001 2 19 11.1 5.99 13.30 7.31
Show 104160 18 50 02 +15 18 40 LLO 16 AD 2015 4 225 15.7 5.99 13.50 7.51 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules SAO 104160 HIP 92418 Tycho2 1584-00540-1
Gaia DR2 4507523307652284288 HD 174457 BD BD+15 3584 Distance 53.22
Distance ly 173.6