16545-4148 SNA 56 AC

 
 
16h 54m 32.00s -41° 48' 18.8" P.A. 141.00 sep 3.5 mag 7.24,14.88 Sp O9.5IV
 
 
Coord 2000 16545-4148 Discov num SNA  56 Comp AC Coord arcsec 2000 16 54 32.00 -41 48 18.8
Date first 2011 Date last 2011 Obs 1
Pa first 141 Pa last 140.5 P.A. Now (θ) 140.5°
Sep first 3.5 Sep last 3.47 Sep. Now (ρ) 3.47"
Mag pri 7.24 Mag sec 14.88 delta mag (ΔM) 7.64 Spectral class O9.5IV (blue)
Pri motion ra -002 Sec motion ra
Pri motion dec +000 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.
 
 
16545-4148 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227400 16 54 32 -41 48 19 SNA 56 Aa,Ab 2016 11 63 0.0 7.60 8.70 1.10 Y
Show HD 152314 227400 16 54 32 -41 48 19 SNA 56 AB 2011 1 187 3.2 7.24 11.06 3.82
Show 227400 16 54 32 -41 48 19 SNA 56 AC 2011 1 141 3.5 7.24 14.88 7.64 <===
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 227400 Tycho2 7876-01997-1 Gaia DR2 5966509438804267264
HD 152314