20309+4913 S 755 AB (HD 195710)

 
 
20h 30m 52.72s +49° 12' 47.5" P.A. 278.00 sep 59.9 mag 6.64,9.72 Sp A2 dist. 147.28 pc (480.43 l.y.)
 
 
Coord 2000 20309+4913 Discov num S   755 Comp AB Coord arcsec 2000 20 30 52.72 +49 12 47.5
Date first 1825 Date last 2015 Obs 26
Pa first 279 Pa last 277.5 P.A. Now (θ) 277.5°
Sep first 61.4 Sep last 59.866 Sep. Now (ρ) 59.866"
Mag pri 6.64 Mag sec 9.72 delta mag (ΔM) 3.08 Spectral class A2 (white)
Pri motion ra +001 Sec motion ra +003
Pri motion dec -012 Sec motion dec -016
Notes N (See Notes)
rPM=0.275 (< 0.3, Physical double)
This double is physical.
 
 
20309+4913 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 195710 49731 20 30 53 +49 12 48 S 755 AB 2015 26 278 59.9 6.64 9.72 3.08 <===
Show 49731 20 30 53 +49 12 48 ES 2695 AC 2015 4 118 20.2 6.64 13.50 6.86
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 195710 Constellation Cygnus SAO 49731 HIP 101206
Tycho2 3581-00823-1 Gaia DR2 2180033903772460160 HD 195710 GC 28556
BD BD+48 3148 Distance 147.28 Distance ly 480.43