19457+3605 STF 2578 AF

 
 
19h 45m 39.65s +36 05' 27.6" P.A. 251.00 sep 144.5 mag 6.37,9.22 Sp B9.5V dist. 300.3 pc (979.58 l.y.)
 
 
Coord 2000 19457+3605 Discov num STF2578 Comp AF Coord arcsec 2000 19 45 39.65 +36 05 27.6
Date first 1823 Date last 2013 Obs 23
Pa first 252 Pa last 251.3 P.A. Now (θ) 251.3°
Sep first 139.8 Sep last 144.5 Sep. Now (ρ) 144.5"
Mag pri 6.37 Mag sec 9.22 delta mag (ΔM) 2.85 Spectral class B9.5V (blue-white)
Pri motion ra +002 Sec motion ra -006
Pri motion dec +007 Sec motion dec -005
Notes N (See Notes)
rPM=1.847
This double is not physical.
 
 
19457+3605 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 186901 68805 19 45 40 +36 05 28 STF 2578 AB 2019 90 124 14.9 6.37 7.04 0.67
Show 68805 19 45 40 +36 05 28 STF 2578 AC 2006 9 356 44.3 6.37 12.49 6.12
Show 68805 19 45 40 +36 05 28 STF 2578 AD 2006 7 70 95.0 6.37 12.39 6.02
Show 68805 19 45 40 +36 05 28 STF 2578 AF 2013 23 251 144.5 6.37 9.22 2.85 <===
Show 68806 19 45 41 +36 05 19 STF 2578 BE 2015 4 75 11.4 7.04 14.00 6.96
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 68805 HIP 97228 Tycho2 2668-00996-1
Gaia DR2 2047894802517982592 HD 186901 HR 7529 ADS 12893
BD BD+35 3786 Distance 300.3 Distance ly 979.58