15379+3006 STF 1963 AB (HD 139569)

 
 
15h 37m 53.73s +30° 06' 10.4" P.A. 298.00 sep 5.2 mag 8.54,8.85 Sp F8 dist. 75.87 pc (247.49 l.y.)
 
 
Coord 2000 15379+3006 Discov num STF1963 Comp AB Coord arcsec 2000 15 37 53.73 +30 06 10.4
Date first 1829 Date last 2019 Obs 130
Pa first 291 Pa last 298.2 P.A. Now (θ) 298.2°
Sep first 4.2 Sep last 5.188 Sep. Now (ρ) 5.188"
Mag pri 8.54 Mag sec 8.85 delta mag (ΔM) 0.31 Spectral class F8 (yellow-white)
Pri motion ra -023 Sec motion ra -042
Pri motion dec +023 Sec motion dec +038
Notes N (See Notes)
rPM=0.427
Nature of this double is uncertain.
 
 
15379+3006 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 139569 64818 15 37 54 +30 06 10 STF 1963 AB 2019 130 298 5.2 8.54 8.85 0.31 <===
Show 64818 15 37 54 +30 06 10 STF 1963 AC 2017 9 116 32.4 8.54 13.58 5.04
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 139569 Constellation Corona Borealis SAO 64818 HIP 76536
Tycho2 2571-00621-1 Gaia DR2 1273174236640553344 HD 139569 GC 21028
BD BD+30 2684 Distance 75.87 Distance ly 247.49