16563-4040 HDS 2394 AB

 
 
16h 56m 15.03s -40° 39' 35.8" P.A. 308.00 sep 0.3 mag 7.02,8.29 Sp O7V dist. 1388.89 pc (4530.56 l.y.)
 
 
Coord 2000 16563-4040 Discov num HDS2394 Comp AB Coord arcsec 2000 16 56 15.03 -40 39 35.8
Date first 1991 Date last 2015 Obs 9
Pa first 315 Pa last 308.2 P.A. Now (θ) 308.2°
Sep first 0.2 Sep last 0.255 Sep. Now (ρ) 0.255"
Mag pri 7.02 Mag sec 8.29 delta mag (ΔM) 1.27 Spectral class O7V (blue)
Pri motion ra +002 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
16563-4040 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227464 16 56 15 -40 39 36 SNA 60 Aa,Ab 2012 1 285 0.0 6.80 7.60 0.80
Show 227464 16 56 15 -40 39 36 HDS 2394 AB 2015 9 308 0.3 7.02 8.29 1.27 <===
Show HD 152623 227464 16 56 15 -40 39 36 SNA 60 AC 2015 4 144 1.5 6.34 9.89 3.55
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 227464 HIP 82876 Tycho2 7872-00879-1
Gaia DR2 5969673420936964864 HD 152623 GC 22804 CD CD-4010961
CP CP-40 7630 Distance 1388.89 Distance ly 4530.56