20014+0657 STF 2612 AB (HD 189757)

 
 
20h 01m 23.22s +06 56' 49.7" P.A. 54.00 sep 42.5 mag 8.29,9.87 Sp F5
 
 
Coord 2000 20014+0657 Discov num STF2612 Comp AB Coord arcsec 2000 20 01 23.22 +06 56 49.7
Date first 1827 Date last 2016 Obs 40
Pa first 53 Pa last 54 P.A. Now (θ) 54°
Sep first 36.6 Sep last 42.52 Sep. Now (ρ) 42.52"
Mag pri 8.29 Mag sec 9.87 delta mag (ΔM) 1.58 Spectral class F5 (yellow-white)
Pri motion ra +008 Sec motion ra +038
Pri motion dec -023 Sec motion dec -006
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.896
This double is not physical.
 
 
20014+0657 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189757 125364 20 01 23 +06 56 50 STF 2612 AB 2016 40 54 42.5 8.29 9.87 1.58 <===
Show 20 01 26 +06 57 15 STF 2612 BC 2016 5 41 26.9 9.90 12.30 2.40
Show 20 01 27 +06 57 35 J 2568 CD 2015 5 310 3.6 12.30 13.30 1.00
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189757 Constellation Aquila SAO 125364 Tycho2 0506-01557-1
Gaia DR2 4297154503813478528 HD 189757 GC 27751