16550-4109 I 576 AB

16h 54m 58.51s -41° 09' 03.1" P.A. 262.00 sep 5.5 mag 5.82,13.00 Sp O8If dist. 694.44 pc (2265.26 l.y.)

Coord 2000 16550-4109 Discov num I   576 Comp AB Coord arcsec 2000 16 54 58.51 -41 09 03.1
Date first 1909 Date last 2012 Obs 7
Pa first 270 Pa last 262.4 P.A. Now (θ) 262.4°
Sep first 4.0 Sep last 5.45 Sep. Now (ρ) 5.45"
Mag pri 5.82 Mag sec 13.00 delta mag (ΔM) 7.18 Spectral class O8If (blue)
Pri motion ra -002 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes N (See Notes)




Nature of this double is uncertain.



16550-4109 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227425 16 54 59 -41 09 03 I 576 AB 2012 7 262 5.5 5.82 13.00 7.18 <===
Show NSV8031 227425 16 54 59 -41 09 03 SNA 58 AC 2012 1 19 3.8 4.90 13.18 8.28


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Var name NSV8031 Constellation Scorpius SAO 227425 HIP 82775
Tycho2 7872-01609-1 Gaia DR2 5966563486675142912 HD 152408 HR 6272
GC 22768 CD CD-4010919 CP CP-40 7597 Distance 694.44
Distance ly 2265.26