17407+3117 STTA 157 AB (HD 160822)

 
 
17h 40m 41.23s +31° 17' 15.6" P.A. 106.00 sep 118.3 mag 6.43,7.92 Sp K0III dist. 130.38 pc (425.3 l.y.)
 
 
Coord 2000 17407+3117 Discov num STTA157 Comp AB Coord arcsec 2000 17 40 41.23 +31 17 15.6
Date first 1874 Date last 2015 Obs 31
Pa first 111 Pa last 106.2 P.A. Now (θ) 106.2°
Sep first 112.9 Sep last 118.28 Sep. Now (ρ) 118.28"
Mag pri 6.43 Mag sec 7.92 delta mag (ΔM) 1.49 Spectral class K0III (yellow-orange)
Pri motion ra -059 Sec motion ra -010
Pri motion dec -075 Sec motion dec -016
Notes N Z (See Notes, Parallax indicates components are physical)
rPM=0.804
This double is physical.
 
 
17407+3117 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 66243 17 40 41 +31 17 16 HDS 2501 Aa,Ab 2011 3 78 0.8 6.50 10.30 3.80
Show HD 160822 66243 17 40 41 +31 17 16 STTA 157 AB 2015 31 106 118.3 6.43 7.92 1.49 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 160822 Constellation Hercules SAO 66243 HIP 86506
Tycho2 2606-01359-1 Gaia DR2 4600598508813170944 HD 160822 HR 6591
GC 23984 BD BD+31 3076 Distance 130.38 Distance ly 425.3