16551-4459 SNA 59 Aa,Ab

 
 
16h 55m 06.45s -44° 59' 21.3" P.A. 120.00 sep 0.1 mag 6.50,9.80 Sp O5
 
 
Coord 2000 16551-4459 Discov num SNA  59 Comp Aa,Ab Coord arcsec 2000 16 55 06.45 -44 59 21.3
Date first 2012 Date last 2012 Obs 2
Pa first 122 Pa last 120.4 P.A. Now (θ) 120.4°
Sep first 0.1 Sep last 0.061 Sep. Now (ρ) 0.061"
Mag pri 6.50 Mag sec 9.80 delta mag (ΔM) 3.3 Spectral class O5 (blue)
Pri motion ra +000 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N K (See Notes, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
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
 
 
Constellation Scorpius SAO 227426 Tycho2 7880-00313-1 Gaia DR2 5964124353254695936
HD 152386