16579+4722 STFA 32 AC

 
 
16h 57m 53.18s +47° 22' 00.0" P.A. 262.00 sep 112.4 mag 7.93,8.05 Sp K0V+K3V dist. 18.3 pc (59.69 l.y.)
 
 
Coord 2000 16579+4722 Discov num STFA 32 Comp AC Coord arcsec 2000 16 57 53.18 +47 22 00.0
Date first 1823 Date last 2021 Obs 36
Pa first 276 Pa last 261.5 P.A. Now (θ) 261.5°
Sep first 115.1 Sep last 112.377 Sep. Now (ρ) 112.377"
Mag pri 7.93 Mag sec 8.05 delta mag (ΔM) 0.12 Spectral class K0V+K3V (yellow-orange/yellow-orange)
Pri motion ra -147 Sec motion ra -140
Pri motion dec +272 Sec motion dec +262
Notes N O T (See Notes, Orbital solution, Parallax indicates physical)
rPM=0.039 (< 0.3, Physical double)
This double is physical.
 
 
16579+4722 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V1090 Her 46409 16 57 53 +47 22 00 A 1874 AB 2021 47 64 5.0 7.93 10.85 2.92 Y
Show 46409 16 57 53 +47 22 00 STFA 32 AC 2021 36 262 112.4 7.93 8.05 0.12 <===
Show 46409 16 57 53 +47 22 00 A 1874 AD 1998 2 246 25.9 7.93 15.00 7.07
Show 16 57 54 +47 22 02 STFA 32 BC 2015 9 261 117.2 10.85 8.05 2.80
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V1090 Her Constellation Hercules SAO 46409 HIP 83020
Tycho2 3500-01780-1 Gaia DR2 1408029509584967168 HD 153557 GL Gl 649.1A
BD BD+47 2415 Distance 18.3 Distance ly 59.69