16550-4109 I   576AB

 
 
16h 54m 58.51s -41 09' 03.1" P.A. 262 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
P.A. Now (θ)
262°
Sep first
4.0
Sep last
5.5
Sep. Now (ρ)
5.5"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227425 16550-4109 I 576 AB 1909 2012 7 262 5.5 5.82 13.00 7.18 <===
Show 227425 16550-4109 SNA 58 AC 2012 2012 1 19 3.8 4.90 13.18 8.28
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
262.4
Precise sep
5.45
Constellation
Scorpius
SAO
227425
HIP
82775
Tycho2
7872-01609-1
HD
152408
HR
6272
CD
CD-4010919
CP
CP-40 7597
Distance
694.44
Distance ly
2265.26
last precise pa
262.4
last precise sep
5.45
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16550-4109 I 576 AB 2012 7 262 5.5 5.80 13.00 O8If N 165458.51-410903.1

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