18054-2300 SNA  80AC

 
 
18H 05M 25.74S -23 00' 20.3" P.A. 21 SEP 5.6 MAG 7.10,11.64 SP O7:IA DIST. 2173.91 PC (7091.29 L.Y.)
 
 
Coord 2000
18054-2300
Discov num
SNA  80
Comp
AC
Coord arcsec 2000
18 05 25.74 -23 00 20.3
Date first
1999
Date last
2012
Obs
2
Pa first
22
Pa last
21
P.A. Now (θ)
21°
Sep first
5.4
Sep last
5.6
Sep. Now (ρ)
5.6"
Mag pri
7.10
Mag sec
11.64
delta mag (ΔM)
4.54
Spectral class
O7:Ia (blue)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
18054-2300 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18054-2300 LYS 33 AB 1910 1999 8 289 35.2 9.98 10.51 0.53
Show 18054-2300 SNA 80 AC 1999 2012 2 21 5.6 7.10 11.64 4.54 <===
Show 18054-2300 SNA 80 AD 1999 2012 2 186 5.6 7.10 11.12 4.02
Show 18054-2300 SNA 80 AE 2012 2012 1 183 7.9 7.10 12.11 5.01
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
HIP
88597
Tycho2
6842-01045-1
HD
313846
CD
CD-2313879
CP
CP-23 6812
Distance
2173.91
Distance ly
7091.29
last precise pa
21.2
last precise sep
5.57