12236-6138 EVS 19 AB (R Cru)

12h 23m 37.68s -61° 37' 44.8" P.A. 345.00 sep 1.9 mag 6.40,16.30 Sp F7Ib+G8V dist. 505.05 pc (1647.47 l.y.)

Coord 2000 12236-6138 Discov num EVS  19 Comp AB Coord arcsec 2000 12 23 37.68 -61 37 44.8
Date first 2011 Date last 2011 Obs 1
Pa first 345 Pa last 344.5 P.A. Now (θ) 344.5°
Sep first 1.9 Sep last 1.9 Sep. Now (ρ) 1.9"
Mag pri 6.40 Mag sec 16.30 delta mag (ΔM) 9.9 Spectral class F7Ib+G8V (yellow-white/yellow)
Pri motion ra -009 Sec motion ra
Pri motion dec -000 Sec motion dec
Notes N V (See Notes, Proper motion indicates physical)




This double is physical.



12236-6138 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show R Cru 251878 12 23 38 -61 37 45 EVS 19 AB 2011 1 345 1.9 6.40 16.30 9.90 <===
Show 251878 12 23 38 -61 37 45 EVS 19 AC 2015 3 302 7.7 6.40 17.90 11.50
Show 251878 12 23 38 -61 37 45 EVS 19 AD 2015 3 200 24.1 6.42 17.94 11.52


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Var name R Cru Constellation Crux SAO 251878 HIP 60455
Tycho2 8975-03829-1 Gaia DR2 6054935874793666176 HD 107805 GC 16890
CD CD-60 4138 CP CP-60 3938 Distance 505.05 Distance ly 1647.47