20307+2657 OPI 25 AD

 
 
20h 30m 46.95s +26 57' 34.6" P.A. 357.00 sep 103.7 mag 10.03,11.80
 
 
Coord 2000 20307+2657 Discov num OPI  25 Comp AD Coord arcsec 2000 20 30 46.95 +26 57 34.6
Date first 1924 Date last 2015 Obs 9
Pa first 356 Pa last 357.1 P.A. Now (θ) 357.1°
Sep first 99.9 Sep last 103.727 Sep. Now (ρ) 103.727"
Mag pri 10.03 Mag sec 11.80 delta mag (ΔM) 1.77 Spectral class
Pri motion ra -036 Sec motion ra -001
Pri motion dec -043 Sec motion dec -006
Notes
rPM=0.908
This double is not physical.
 
 
20307+2657 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 30 47 +26 57 35 OPI 25 AB 2015 9 29 14.0 10.03 13.50 3.47
Show HD 340458 20 30 47 +26 57 35 OPI 25 AC 2015 9 324 27.0 10.03 12.50 2.47
Show 20 30 47 +26 57 35 OPI 25 AD 2015 9 357 103.7 10.03 11.80 1.77 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Tycho2 2165-00677-1 Gaia DR2 1856738212032193920 HD 340458
DM BD+26 3916