14000-4714 HJ 4638 AB (HD 121987)

 
 
13h 59m 59.52s -47° 13' 34.2" P.A. 311.00 sep 7.8 mag 9.75,11.10 Sp B7V
 
 
Coord 2000 14000-4714 Discov num HJ 4638 Comp AB Coord arcsec 2000 13 59 59.52 -47 13 34.2
Date first 1834 Date last 2015 Obs 8
Pa first 315 Pa last 310.6 P.A. Now (θ) 310.6°
Sep first 5.0 Sep last 7.786 Sep. Now (ρ) 7.786"
Mag pri 9.75 Mag sec 11.10 delta mag (ΔM) 1.35 Spectral class B7V (blue-white)
Pri motion ra +004 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
14000-4714 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 121987 224601 13 59 60 -47 13 34 HJ 4638 AB 2015 8 311 7.8 9.75 11.10 1.35 <===
Show 224601 13 59 60 -47 13 34 HJ 4638 AC 2015 9 110 9.5 9.75 12.20 2.45
Show 224601 13 59 60 -47 13 34 DAW 207 AD 2015 9 256 9.4 9.75 12.40 2.65
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 121987 Constellation Centaurus SAO 224601 Tycho2 8267-01335-1
Gaia DR2 6095201502389790080 HD 121987 DM CP-46 6590