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 2012 2014 2 235 0.0 6.90 8.30 1.40
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
 
 
Constellation
Scorpius
SAO
227384
Tycho2
7876-02339-1
HD
152247
last precise pa
22.3
last precise sep
5.11