17048+2805 STF 2120 AB (HD 154510)

 
 
17h 04m 45.80s +28° 05' 27.7" P.A. 231.00 sep 24.7 mag 7.37,9.25 Sp K0III dist. 147.06 pc (479.71 l.y.)
 
 
Coord 2000 17048+2805 Discov num STF2120 Comp AB Coord arcsec 2000 17 04 45.80 +28 05 27.7
Date first 1782 Date last 2017 Obs 228
Pa first 42 Pa last 230.9 P.A. Now (θ) 230.9°
Sep first 11.9 Sep last 24.68 Sep. Now (ρ) 24.68"
Mag pri 7.37 Mag sec 9.25 delta mag (ΔM) 1.88 Spectral class K0III (yellow-orange)
Pri motion ra +006 Sec motion ra -105
Pri motion dec +007 Sec motion dec -095
Notes N L (See Notes, Linear solution)
rPM=1.065
This double is not physical.
 
 
17048+2805 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 154510 84810 17 04 46 +28 05 28 STF 2120 AB 2017 228 231 24.7 7.37 9.25 1.88 <===
Show 84810 17 04 46 +28 05 28 STF 2120 AC 2015 15 174 144.8 7.37 10.36 2.99
Show 17 04 44 +28 05 14 FYM 171 BF 2016 6 273 5.9 7.80 10.90 3.10
Show 17 04 47 +28 03 04 WAL 76 CD 2015 10 43 24.7 10.36 13.63 3.27
Show 17 04 47 +28 03 04 FYM 171 CE 2015 13 135 26.6 10.36 14.42 4.06
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154510 Constellation Hercules SAO 84810 HIP 83568
Tycho2 2068-01565-1 Gaia DR2 1308362079062840448 HD 154510 GC 23051
BD BD+28 2661 Distance 147.06 Distance ly 479.71