19197+4422 STF 2507 AB (HD 181777)

 
 
19h 19m 43.44s +44° 22' 29.2" P.A. 158.00 sep 25.1 mag 8.72,10.88 Sp F8
 
 
Coord 2000 19197+4422 Discov num STF2507 Comp AB Coord arcsec 2000 19 19 43.44 +44 22 29.2
Date first 1828 Date last 2015 Obs 26
Pa first 137 Pa last 157.7 P.A. Now (θ) 157.7°
Sep first 20.0 Sep last 25.084 Sep. Now (ρ) 25.084"
Mag pri 8.72 Mag sec 10.88 delta mag (ΔM) 2.16 Spectral class F8 (yellow-white)
Pri motion ra +004 Sec motion ra -009
Pri motion dec +036 Sec motion dec -002
Notes U (Proper motion indicates non-physical)
rPM=1.109
This double is not physical.
 
 
19197+4422 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 181777 48338 19 19 43 +44 22 29 STF 2507 AB 2015 26 158 25.1 8.72 10.88 2.16 <===
Show 48338 19 19 43 +44 22 29 STF 2507 AC 2019 39 150 29.7 8.72 9.98 1.26
Show 19 19 44 +44 22 07 STF 2507 BC 2015 29 106 6.4 10.88 9.60 1.28
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 181777 Constellation Cygnus SAO 48338 Tycho2 3133-00230-1
Gaia DR2 2126933122843445888 HD 181777 GC 26678