21307-3057 RSS 561 AB

 
 
21h 30m 44.67s -30° 57' 20.8" P.A. 98.00 sep 5.3 mag 10.87,10.90 dist. 52.6 pc (171.58 l.y.)
 
 
Coord 2000 21307-3057 Discov num RSS 561 Comp AB Coord arcsec 2000 21 30 44.67 -30 57 20.8
Date first 1976 Date last 2015 Obs 4
Pa first 98 Pa last 97.7 P.A. Now (θ) 97.7°
Sep first 5.7 Sep last 5.253 Sep. Now (ρ) 5.253"
Mag pri 10.87 Mag sec 10.90 delta mag (ΔM) 0.03 Spectral class
Pri motion ra +016 Sec motion ra
Pri motion dec -215 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21307-3057 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 30 45 -30 57 21 RSS 561 AB 2015 4 98 5.3 10.87 10.90 0.03 <===
Show 21 30 45 -30 57 21 TOK 636 AC 1999 2 125 930.0 10.87 17.78 6.91
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Piscis Austrinus HIP 106208 Tycho2 7474-00868-1 CD CD-3118312
Distance 52.6 Distance ly 171.58