17590-2231 SNA  75AB

 
 
17H 58M 57.26S -22 31' 03.2" P.A. 221 SEP 3.9 MAG 6.22,13.66 SP O7.5III DIST. 990.1 PC (3229.71 L.Y.)
 
 
Coord 2000
17590-2231
Discov num
SNA  75
Comp
AB
Coord arcsec 2000
17 58 57.26 -22 31 03.2
Date first
2012
Date last
2012
Obs
1
Pa first
221
Pa last
221
P.A. Now (θ)
221°
Sep first
3.9
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
6.22
Mag sec
13.66
delta mag (ΔM)
7.44
Spectral class
O7.5III (blue)
Pri motion ra
-000
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
17590-2231 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186037 17590-2231 SNA 75 AB 2012 2012 1 221 3.9 6.22 13.66 7.44 <===
Show 186037 17590-2231 SNA 75 AC 2012 2012 1 46 6.2 6.22 12.74 6.52
Show 186037 17590-2231 SNA 75 AD 2012 2012 1 302 6.9 6.22 11.82 5.60
Show 186037 17590-2231 SNA 75 AE 2012 2012 1 349 7.9 6.22 12.34 6.12
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
221.2
Precise sep
3.89
Constellation
Sagittarius
SAO
186037
HIP
88040
Tycho2
6841-01252-1
HD
163800
BD
BD-22 4474
CD
CD-2212386
Distance
990.1
Distance ly
3229.71
last precise pa
221.2
last precise sep
3.89