18152-2044 SNA  82Aa,Ab

 
 
18H 15M 12.91S -20 43' 41.8" P.A. 203 MAG 5.30,8.40 SP O9.7IAB DIST. 10000 PC (32620 L.Y.)
 
 
Coord 2000
18152-2044
Discov num
SNA  82
Comp
Aa,Ab
Coord arcsec 2000
18 15 12.91 -20 43 41.8
Date first
2012
Date last
2012
Obs
4
Pa first
125
Pa last
203
P.A. Now (θ)
203°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
5.30
Mag sec
8.40
delta mag (ΔM)
3.1
Spectral class
O9.7Iab (blue)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
18152-2044 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186543 18152-2044 SNA 82 Aa,Ab 2012 2012 4 203 0.0 5.30 8.40 3.10 <===
Show 15 Sgr 186543 18152-2044 TOK 59 AB 2008 2013 5 77 1.3 5.40 10.60 5.20
Show 186543 18152-2044 SNA 82 AC 2012 2012 1 356 2.3 5.16 12.91 7.75
Show 186543 18152-2044 SNA 82 AD 2012 2012 1 108 7.1 5.16 12.18 7.02
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186543
HIP
89439
HD
167264
HR
6822
GC
24893
BD
BD-20 5054
Flamsteed
15 Sagittarii
Flamsteed name
15 Sgr
Distance
10000
Distance ly
32620
last precise pa
203.3
last precise sep
0.003