16539-4153 SNA  49Aa,Ab

 
 
16H 53M 55.60S -41 52' 51.4" P.A. 345 SEP 0.1 MAG 7.20,10.00 SP O9.5III
 
 
Coord 2000
16539-4153
Discov num
SNA  49
Comp
Aa,Ab
Coord arcsec 2000
16 53 55.60 -41 52 51.4
Date first
2012
Date last
2012
Obs
1
Pa first
345
Pa last
345
P.A. Now (θ)
345°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.20
Mag sec
10.00
delta mag (ΔM)
2.8
Spectral class
O9.5III (blue)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
16539-4153 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227370 16539-4153 SNA 49 Aa,Ab 2012 2012 1 345 0.1 7.20 10.00 2.80 <===
Show 227370 16539-4153 SNA 49 AB 2012 2012 1 18 2.2 7.11 13.98 6.87
Show 227370 16539-4153 SNA 49 AC 2012 2012 1 332 2.9 7.11 13.34 6.23
Show 227370 16539-4153 SNA 49 AD 2012 2012 1 145 5.1 7.11 11.26 4.15
Show 227370 16539-4153 SNA 49 AE 2012 2012 1 63 5.4 7.11 12.19 5.08
Show 227370 16539-4153 SNA 49 AF 1999 2012 2 175 7.2 7.11 13.15 6.04
Septuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
227370
Tycho2
7876-02282-1
HD
152219
last precise pa
344.6
last precise sep
0.084