21289+1105 STF 2799 AC

 
 
21h 28m 52.79s +11° 05' 05.2" P.A. 331.00 sep 135.9 mag 7.37,10.20 Sp F4V dist. 105.04 pc (342.64 l.y.)
 
 
Coord 2000 21289+1105 Discov num STF2799 Comp AC Coord arcsec 2000 21 28 52.79 +11 05 05.2
Date first 1906 Date last 2016 Obs 19
Pa first 338 Pa last 331 P.A. Now (θ) 331°
Sep first 137.1 Sep last 135.87 Sep. Now (ρ) 135.87"
Mag pri 7.37 Mag sec 10.20 delta mag (ΔM) 2.83 Spectral class F4V (yellow-white)
Pri motion ra +074 Sec motion ra -032
Pri motion dec +017 Sec motion dec -028
Notes N (See Notes)
rPM=1.517
This double is not physical.
 
 
21289+1105 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 204509 107165 21 28 53 +11 05 05 STF 2799 AB 2021 422 259 1.9 7.37 7.44 0.07 Y
Show 107165 21 28 53 +11 05 05 STF 2799 AC 2016 19 331 135.9 7.37 10.20 2.83 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus SAO 107165 HIP 106053 Tycho2 1123-02302-1
Gaia DR2 1745718697602229504 HD 204509 BD BD+10 4554 Distance 105.04
Distance ly 342.64