16545-4148 SNA  56AB

 
 
16H 54M 32.00S -41 48' 18.8" P.A. 187 SEP 3.2 MAG 7.24,11.06 SP O9.5IV
 
 
Coord 2000
16545-4148
Discov num
SNA  56
Comp
AB
Coord arcsec 2000
16 54 32.00 -41 48 18.8
Date first
2011
Date last
2011
Obs
1
Pa first
187
Pa last
187
P.A. Now (θ)
187°
Sep first
3.2
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
7.24
Mag sec
11.06
delta mag (ΔM)
3.82
Spectral class
O9.5IV (blue)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
16545-4148 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227400 16545-4148 SNA 56 Aa,Ab 2010 2016 11 63 0.0 7.60 8.70 1.10
Show 227400 16545-4148 SNA 56 AB 2011 2011 1 187 3.2 7.24 11.06 3.82 <===
Show 227400 16545-4148 SNA 56 AC 2011 2011 1 141 3.5 7.24 14.88 7.64
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
227400
Tycho2
7876-01997-1
HD
152314
last precise pa
187.2
last precise sep
3.23