20309+1126 LAU 4 AB

 
 
20h 30m 53.76s +11° 26' 09.7" P.A. 271.00 sep 28.1 mag 10.00,11.26 Sp F5
 
 
Coord 2000 20309+1126 Discov num LAU   4 Comp AB Coord arcsec 2000 20 30 53.76 +11 26 09.7
Date first 1907 Date last 2016 Obs 14
Pa first 278 Pa last 271.4 P.A. Now (θ) 271.4°
Sep first 25.5 Sep last 28.109 Sep. Now (ρ) 28.109"
Mag pri 10.00 Mag sec 11.26 delta mag (ΔM) 1.26 Spectral class F5 (yellow-white)
Pri motion ra +022 Sec motion ra +002
Pri motion dec +018 Sec motion dec -001
Notes N (See Notes)
rPM=0.97
This double is not physical.
 
 
20309+1126 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 30 54 +11 26 10 STJ 5 Aa,Ab 2018 3 140 0.9 10.00 10.50 0.50
Show 20 30 54 +11 26 10 LAU 4 AB 2016 14 271 28.1 10.00 11.26 1.26 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus