20426+1244 STF 2718 BC

 
 
20h 42m 34.05s +12° 43' 42.1" P.A. 346.00 sep 167.3 mag 8.39,9.02 Sp F5
 
 
Coord 2000 20426+1244 Discov num STF2718 Comp BC Coord arcsec 2000 20 42 34.05 +12 43 42.1
Date first 1889 Date last 2015 Obs 16
Pa first 343 Pa last 346.1 P.A. Now (θ) 346.1°
Sep first 168.6 Sep last 167.259 Sep. Now (ρ) 167.259"
Mag pri 8.39 Mag sec 9.02 delta mag (ΔM) 0.63 Spectral class F5 (yellow-white)
Pri motion ra -007 Sec motion ra +012
Pri motion dec -026 Sec motion dec -012
Notes
rPM=0.877
This double is not physical.
 
 
20426+1244 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197312 106409 20 42 33 +12 43 42 STF 2718 AB 2020 85 87 8.5 8.28 8.39 0.11
Show 106409 20 42 33 +12 43 42 STF 2718 AC 2015 20 346 167.2 8.28 9.02 0.74
Show 106410 20 42 34 +12 43 42 STF 2718 BC 2015 16 346 167.3 8.39 9.02 0.63 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus SAO 106410 Tycho2 1097-00010-1 Gaia DR2 1755224009981286272
HD 197313 GC 28856