12540-6050 TOB 128 AB (HD 312122)

 
 
12h 54m 00.49s -60° 49' 41.7" P.A. 10.00 sep 15.0 mag 10.54,11.16 Sp A
 
 
Coord 2000 12540-6050 Discov num TOB 128 Comp AB Coord arcsec 2000 12 54 00.49 -60 49 41.7
Date first 1892 Date last 2015 Obs 9
Pa first 11 Pa last 10.3 P.A. Now (θ) 10.3°
Sep first 15.9 Sep last 15.015 Sep. Now (ρ) 15.015"
Mag pri 10.54 Mag sec 11.16 delta mag (ΔM) 0.62 Spectral class A (white)
Pri motion ra -009 Sec motion ra -002
Pri motion dec -004 Sec motion dec -004
Notes
rPM=0.711
Nature of this double is uncertain.
 
 
12540-6050 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 54 00 -60 49 42 TDS 8574 Aa,Ab 1991 1 230 0.5 11.15 11.34 0.19
Show HD 312122 12 54 00 -60 49 42 TOB 128 AB 2015 9 10 15.0 10.54 11.16 0.62 <===
Show 12 54 01 -60 49 27 DAM 586 BC 2015 4 233 5.5 11.20 14.00 2.80
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 312122 Constellation Crux Tycho2 8989-01726-1 Gaia DR2 6055628979417352320
HD 312122