16551-4459 CHR 253 AB (HD 152386)

 
 
16h 55m 06.45s -44° 59' 21.3" P.A. 337.00 sep 0.6 mag 8.20,11.00 Sp O5
 
 
Coord 2000 16551-4459 Discov num CHR 253 Comp AB Coord arcsec 2000 16 55 06.45 -44 59 21.3
Date first 1996 Date last 2014 Obs 2
Pa first 338 Pa last 336.6 P.A. Now (θ) 336.6°
Sep first 0.6 Sep last 0.56 Sep. Now (ρ) 0.56"
Mag pri 8.20 Mag sec 11.00 delta mag (ΔM) 2.8 Spectral class O5 (blue)
Pri motion ra +000 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
16551-4459 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227426 16 55 06 -44 59 21 SNA 59 Aa,Ab 2012 2 120 0.1 6.50 9.80 3.30
Show HD 152386 227426 16 55 06 -44 59 21 CHR 253 AB 2014 2 337 0.6 8.20 11.00 2.80 <===
Show 227426 16 55 06 -44 59 21 SNA 59 AC 2012 1 222 3.5 6.50 12.69 6.19
Show 227426 16 55 06 -44 59 21 SNA 59 AD 2015 3 128 7.4 6.50 7.00 0.50
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 152386 Constellation Scorpius SAO 227426 Tycho2 7880-00313-1
Gaia DR2 5964124353254695936 HD 152386 GC 22769