16551-4459 SNA  59Aa,Ab

 
 
16H 55M 06.45S -44 59' 21.3" P.A. 120 SEP 0.1 MAG 6.50,9.80 SP O5
 
 
Coord 2000
16551-4459
Discov num
SNA  59
Comp
Aa,Ab
Coord arcsec 2000
16 55 06.45 -44 59 21.3
Date first
2012
Date last
2012
Obs
2
Pa first
122
Pa last
120
P.A. Now (θ)
120°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.50
Mag sec
9.80
delta mag (ΔM)
3.3
Spectral class
O5 (blue)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
16551-4459 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227426 16551-4459 SNA 59 Aa,Ab 2012 2012 2 120 0.1 6.50 9.80 3.30 <===
Show 227426 16551-4459 CHR 253 AB 1996 2014 2 337 0.6 8.20 11.00 2.80
Show 227426 16551-4459 SNA 59 AC 2012 2012 1 222 3.5 6.50 12.69 6.19
Show 227426 16551-4459 SNA 59 AD 1999 2012 2 127 7.4 6.50 7.00 0.50
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
227426
Tycho2
7880-00313-1
HD
152386
last precise pa
120.4
last precise sep
0.061