17397+2746 LDS 999 AB

 
 
17h 39m 30.70s +27° 45' 45.8" P.A. 21.00 sep 56.4 mag 11.12,12.72 Sp M1V dist. 24.97 pc (81.45 l.y.)
 
 
Coord 2000 17397+2746 Discov num LDS 999 Comp AB Coord arcsec 2000 17 39 30.70 +27 45 45.8
Date first 1936 Date last 2016 Obs 8
Pa first 21 Pa last 21 P.A. Now (θ) 21°
Sep first 53.0 Sep last 56.439 Sep. Now (ρ) 56.439"
Mag pri 11.12 Mag sec 12.72 delta mag (ΔM) 1.6 Spectral class M1V (red)
Pri motion ra +019 Sec motion ra +017
Pri motion dec -201 Sec motion dec -200
Notes V (Proper motion indicates physical)
rPM=0.011 (< 0.3, Physical double)
This double is physical.
 
 
17397+2746 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 39 31 +27 45 46 LDS 999 AB 2016 8 21 56.4 11.12 12.72 1.60 <===
Show 17 39 32 +27 46 37 JOD 12 BC 2018 3 26 0.1 14.90 16.10 1.20
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 86423 Tycho2 2084-00930-1 Gaia DR2 4595398441587270272
GL NN 4018A Distance 24.97 Distance ly 81.45