16542-4139 SNA  53AC

 
 
16h 54m 11.52s -41 38' 30.9" P.A. 22 sep 5.1 mag 6.59,12.65 Sp O9.5III
 
 
Coord 2000
16542-4139
Discov num
SNA  53
Comp
AC
Coord arcsec 2000
16 54 11.52 -41 38 30.9
Date first
2012
Date last
2012
Obs
1
Pa first
22
Pa last
22
P.A. Now (θ)
22°
Sep first
5.1
Sep last
5.1
Sep. Now (ρ)
5.1"
Mag pri
6.59
Mag sec
12.65
delta mag (ΔM)
6.06
Spectral class
O9.5III (blue)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
16542-4139 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227384 16542-4139 SNA 53 Aa,Ab 2010 2014 15 1 0.0 6.90 8.30 1.40 Y
Show 227384 16542-4139 SNA 53 AB 2012 2012 1 313 3.2 6.59 13.83 7.24
Show 227384 16542-4139 SNA 53 AC 2012 2012 1 22 5.1 6.59 12.65 6.06 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
22.3
Precise sep
5.11
Constellation
Scorpius
SAO
227384
Tycho2
7876-02339-1
HD
152247
last precise pa
22.3
last precise sep
5.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16542-4139 SNA 53 AC 2012 1 22 5.1 6.59 12.65 O9.5III K 165411.52-413830.9

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