20384+5248 SKF 348 AB

 
 
20h 38m 24.78s +52° 48' 04.7" P.A. 178.00 sep 19.9 mag 10.45,11.74 Sp F5
 
 
Coord 2000 20384+5248 Discov num SKF 348 Comp AB Coord arcsec 2000 20 38 24.78 +52 48 04.7
Date first 1952 Date last 2018 Obs 10
Pa first 179 Pa last 178.4 P.A. Now (θ) 178.4°
Sep first 19.2 Sep last 19.94 Sep. Now (ρ) 19.94"
Mag pri 10.45 Mag sec 11.74 delta mag (ΔM) 1.29 Spectral class F5 (yellow-white)
Pri motion ra +016 Sec motion ra +014
Pri motion dec +009 Sec motion dec +008
Notes V (Proper motion indicates physical)
rPM=0.122 (< 0.3, Physical double)
This double is physical.
 
 
20384+5248 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 38 25 +52 48 05 TDT 2442 Aa,Ab 1991 1 304 0.5 11.12 11.21 0.09
Show 20 38 25 +52 48 05 SKF 348 AB 2018 10 178 19.9 10.45 11.74 1.29 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3950-00609-1