19046+2320 STF 2445 AB (HD 177648)

 
 
19h 04m 38.50s +23° 19' 45.5" P.A. 262.00 sep 12.4 mag 7.25,8.57 Sp B2Ve dist. 476.19 pc (1553.33 l.y.)
 
 
Coord 2000 19046+2320 Discov num STF2445 Comp AB Coord arcsec 2000 19 04 38.50 +23 19 45.5
Date first 1830 Date last 2020 Obs 66
Pa first 261 Pa last 262.4 P.A. Now (θ) 262.4°
Sep first 15.0 Sep last 12.41 Sep. Now (ρ) 12.41"
Mag pri 7.25 Mag sec 8.57 delta mag (ΔM) 1.32 Spectral class B2Ve (blue-white)
Pri motion ra +002 Sec motion ra +004
Pri motion dec -005 Sec motion dec -005
Notes Z (Parallax indicates components are physical)
rPM=0.312
This double is physical.
 
 
19046+2320 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 177648 86774 19 04 38 +23 19 46 STF 2445 AB 2020 66 262 12.4 7.25 8.57 1.32 <===
Show 86774 19 04 38 +23 19 46 STF 2445 AC 2015 23 108 143.8 7.25 8.46 1.21
Show 86774 19 04 38 +23 19 46 SLE 1030 AD 2015 10 117 55.9 7.25 11.19 3.94
Show 86779 19 04 38 +23 19 44 STF 2445 BC 2015 20 106 155.1 8.57 8.46 0.11
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 177648 Constellation Vulpecula SAO 86774 HIP 93680
Tycho2 2122-00635-1 Gaia DR2 4521438177054351104 HD 177648 GC 26242
BD BD+23 3549 Distance 476.19 Distance ly 1553.33