20387+3838 STF 2708 AD

 
 
20h 38m 40.19s +38° 38' 06.3" P.A. 231.00 sep 115.6 mag 6.83,11.26 Sp G2V dist. 27.16 pc (88.6 l.y.)
 
 
Coord 2000 20387+3838 Discov num STF2708 Comp AD Coord arcsec 2000 20 38 40.19 +38 38 06.3
Date first 1880 Date last 2015 Obs 16
Pa first 214 Pa last 231.4 P.A. Now (θ) 231.4°
Sep first 115.1 Sep last 115.599 Sep. Now (ρ) 115.599"
Mag pri 6.83 Mag sec 11.26 delta mag (ΔM) 4.43 Spectral class G2V (yellow)
Pri motion ra +201 Sec motion ra -006
Pri motion dec -193 Sec motion dec -019
Notes N (See Notes)
rPM=0.97
This double is not physical.
 
 
20387+3838 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 196850 70321 20 38 40 +38 38 06 STF 2708 AB 2018 133 323 57.9 6.83 8.67 1.84
Show 70321 20 38 40 +38 38 06 STF 2708 AC 2015 8 336 40.6 6.83 13.70 6.87
Show 70321 20 38 40 +38 38 06 STF 2708 AD 2015 16 231 115.6 6.83 11.26 4.43 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70321 HIP 101875 Tycho2 3153-00705-1
Gaia DR2 2063583390317759616 HD 196850 GL Gl 794.3 BD BD+38 4172
Distance 27.16 Distance ly 88.6