21509-4052 CRU 2 AB (HD 207572)

 
 
21h 50m 56.33s -40° 51' 57.1" P.A. 307.00 sep 23.2 mag 9.90,11.44 Sp G3V
 
 
Coord 2000 21509-4052 Discov num CRU   2 Comp AB Coord arcsec 2000 21 50 56.33 -40 51 57.1
Date first 1879 Date last 2016 Obs 12
Pa first 307 Pa last 307.3 P.A. Now (θ) 307.3°
Sep first 22.5 Sep last 23.151 Sep. Now (ρ) 23.151"
Mag pri 9.90 Mag sec 11.44 delta mag (ΔM) 1.54 Spectral class G3V (yellow)
Pri motion ra -102 Sec motion ra -102
Pri motion dec -054 Sec motion dec -054
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
21509-4052 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 207572 230866 21 50 56 -40 51 57 CRU 2 AB 2016 12 307 23.2 9.90 11.44 1.54 <===
Show 230866 21 50 56 -40 51 57 CRU 2 AC 2015 11 48 58.4 9.90 12.07 2.17
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 207572 Constellation Grus SAO 230866 Tycho2 7986-00682-1
Gaia DR2 6572408034379183744 HD 207572 DM CP-41 9710