17190+4408 STF 2154 AB (HD 157046)

 
 
17h 18m 58.68s +44° 07' 54.7" P.A. 253.00 sep 2.0 mag 9.05,10.03 Sp F2+A2 dist. 186.57 pc (608.59 l.y.)
 
 
Coord 2000 17190+4408 Discov num STF2154 Comp AB Coord arcsec 2000 17 18 58.68 +44 07 54.7
Date first 1830 Date last 2016 Obs 28
Pa first 249 Pa last 253.4 P.A. Now (θ) 253.4°
Sep first 1.8 Sep last 2.01 Sep. Now (ρ) 2.01"
Mag pri 9.05 Mag sec 10.03 delta mag (ΔM) 0.98 Spectral class F2+A2 (yellow-white/white)
Pri motion ra +011 Sec motion ra +011
Pri motion dec +040 Sec motion dec +040
Notes
Nature of this double is uncertain.
 
 
17190+4408 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157046 46631 17 18 59 +44 07 55 STF 2154 AB 2016 28 253 2.0 9.05 10.03 0.98 <===
Show 46631 17 18 59 +44 07 55 PRU 4 AC 2012 1 182 0.9 9.05
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157046 Constellation Hercules SAO 46631 HIP 84715
Tycho2 3085-00606-1 Gaia DR2 1360598845705838464 HD 157046 GC 23417
BD BD+44 2690 Distance 186.57 Distance ly 608.59