18152-2044 TOK  59AB (15 Sgr)

 
 
18h 15m 12.91s -20 43' 41.8" P.A. 77 sep 1.3 mag 5.40,10.60 Sp B0.5Ia/ab dist. 10000 pc (32620 l.y.)
 
 
Coord 2000
18152-2044
Discov num
TOK  59
Comp
AB
Coord arcsec 2000
18 15 12.91 -20 43 41.8
Date first
2008
Date last
2013
Obs
5
Pa first
76
Pa last
77
P.A. Now (θ)
77°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
5.40
Mag sec
10.60
delta mag (ΔM)
5.2
Spectral class
B0.5Ia/ab (blue-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
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
 
 
Precise pa
76.6
Precise sep
1.276
Name
15 Sgr
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
76.6
last precise sep
1.277
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18152-2044 TOK 59 AB 2013 5 77 1.3 5.40 10.60 B0.5Ia/ab 181512.91-204341.8

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