20593+1534 STT 424 AC

 
 
20h 59m 16.45s +15° 34' 21.8" P.A. 305.00 sep 33.9 mag 8.43,10.90 Sp A3 dist. 408.16 pc (1331.42 l.y.)
 
 
Coord 2000 20593+1534 Discov num STT 424 Comp AC Coord arcsec 2000 20 59 16.45 +15 34 21.8
Date first 1843 Date last 2015 Obs 23
Pa first 308 Pa last 305.4 P.A. Now (θ) 305.4°
Sep first 35.0 Sep last 33.921 Sep. Now (ρ) 33.921"
Mag pri 8.43 Mag sec 10.90 delta mag (ΔM) 2.47 Spectral class A3 (white)
Pri motion ra +011 Sec motion ra +014
Pri motion dec -005 Sec motion dec -004
Notes
rPM=0.217 (< 0.3, Physical double)
This double is physical.
 
 
20593+1534 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 106732 20 59 16 +15 34 22 STT 424 AB 2009 49 307 0.5 8.43 9.39 0.96 Y
Show 106732 20 59 16 +15 34 22 STT 424 AC 2015 23 305 33.9 8.43 10.90 2.47 <===
Show HD 199823 106732 20 59 16 +15 34 22 WAL 133 AB,D 2015 16 206 83.7 8.12 9.98 1.86
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus SAO 106732 HIP 103584 Tycho2 1648-00403-1
Gaia DR2 1763484713854530944 HD 199839 BD BD+15 4304 Distance 408.16
Distance ly 1331.42