15118+6151 STF 1927 AB (BV Dra)

 
 
15h 11m 50.36s +61° 51' 25.3" P.A. 353.00 sep 16.1 mag 8.12,8.81 Sp F9V+B0 dist. 70.52 pc (230.04 l.y.)
 
 
Coord 2000 15118+6151 Discov num STF1927 Comp AB Coord arcsec 2000 15 11 50.36 +61 51 25.3
Date first 1832 Date last 2017 Obs 53
Pa first 354 Pa last 353.4 P.A. Now (θ) 353.4°
Sep first 16.1 Sep last 16.05 Sep. Now (ρ) 16.05"
Mag pri 8.12 Mag sec 8.81 delta mag (ΔM) 0.69 Spectral class F9V+B0 (yellow-white/blue-white)
Pri motion ra -164 Sec motion ra -161
Pri motion dec +096 Sec motion dec +096
Notes N T (See Notes, Parallax indicates physical)
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
15118+6151 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show BV Dra 16636 15 11 50 +61 51 25 STF 1927 AB 2017 53 353 16.1 8.12 8.81 0.69 <===
Show 16636 15 11 50 +61 51 25 VLM 3 AC 2015 13 18 32.6 8.12 13.40 5.28
Show 15 11 50 +61 51 40 VLM 3 BC 2015 7 37 18.8 8.81 13.40 4.59
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name BV Dra Constellation Draco SAO 16636 HIP 74370
Tycho2 4180-01944-1 Gaia DR2 1616589410627042560 HD 135421 GC 20465
BD BD+62 1393 Distance 70.52 Distance ly 230.04