15565+5717 STF 1996 AB (HD 238521)

 
 
15h 56m 31.13s +57° 16' 57.7" P.A. 108.00 sep 19.4 mag 10.22,10.65 Sp F8+K
 
 
Coord 2000 15565+5717 Discov num STF1996 Comp AB Coord arcsec 2000 15 56 31.13 +57 16 57.7
Date first 1830 Date last 2016 Obs 30
Pa first 109 Pa last 107.8 P.A. Now (θ) 107.8°
Sep first 19.2 Sep last 19.435 Sep. Now (ρ) 19.435"
Mag pri 10.22 Mag sec 10.65 delta mag (ΔM) 0.43 Spectral class F8+K (yellow-white/yellow-orange)
Pri motion ra -052 Sec motion ra -052
Pri motion dec +091 Sec motion dec +090
Notes N T (See Notes, Parallax indicates physical)
rPM=0.01 (< 0.3, Physical double)
This double is physical.
 
 
15565+5717 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 238521 29725 15 56 31 +57 16 58 STF 1996 AB 2016 30 108 19.4 10.22 10.65 0.43 <===
Show 29725 15 56 31 +57 16 58 STF 1996 AC 2015 16 141 162.0 10.22 10.59 0.37
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 238521 Constellation Draco SAO 29725 Tycho2 3873-00526-1
Gaia DR2 1622560239801073920 HD 238521