21440-5720 JC 25 AB (HD 206428)

 
 
21h 43m 59.16s -57° 19' 30.4" P.A. 4.00 sep 152.3 mag 6.54,6.90 Sp F7IV+F6IV dist. 45.5 pc (148.42 l.y.)
 
 
Coord 2000 21440-5720 Discov num JC   25 Comp AB Coord arcsec 2000 21 43 59.16 -57 19 30.4
Date first 1845 Date last 2016 Obs 18
Pa first 5 Pa last 4.1 P.A. Now (θ) 4.1°
Sep first 152.2 Sep last 152.285 Sep. Now (ρ) 152.285"
Mag pri 6.54 Mag sec 6.90 delta mag (ΔM) 0.36 Spectral class F7IV+F6IV (yellow-white/yellow-white)
Pri motion ra -117 Sec motion ra -115
Pri motion dec -053 Sec motion dec -053
Notes N T (See Notes, Parallax indicates physical)
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
21440-5720 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 206428 247151 21 43 59 -57 19 30 JC 25 AB 2016 18 4 152.3 6.54 6.90 0.36 <===
Show 247151 21 43 59 -57 19 30 JC 25 AC 1999 15 214 187.0 6.54 7.47 0.93
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206428 Constellation Indus SAO 247151 HIP 107299
Tycho2 8815-01330-1 Gaia DR2 6458951765971500672 HD 206428 GC 30397
CP CP-57 9940 Distance 45.5 Distance ly 148.42