18579-2524 SIN 112AC

 
 
18h 57m 54.72s -25 24' 04.6" P.A. 95 sep 54.4 mag 9.61,13.34 Sp F2/3III/
 
 
Coord 2000
18579-2524
Discov num
SIN 112
Comp
AC
Coord arcsec 2000
18 57 54.72 -25 24 04.6
Date first
1987
Date last
1999
Obs
3
Pa first
95
Pa last
95
P.A. Now (θ)
95°
Sep first
54.4
Sep last
54.4
Sep. Now (ρ)
54.4"
Mag pri
9.61
Mag sec
13.34
delta mag (ΔM)
3.73
Spectral class
F2/3III/ (yellow-white)
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-006
Sec motion dec
-007
Notes
N (See Notes)
rPM=0.186 (< 0.3, Physical double)
This double is physical.
 
 
18579-2524 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 187508 18579-2524 B 2871 AB 1909 1999 7 295 14.8 9.61 11.60 1.99
Show 187508 18579-2524 SIN 112 AC 1987 1999 3 95 54.4 9.61 13.34 3.73 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
94.5
Precise sep
54.364
Constellation
Sagittarius
SAO
187508
Tycho2
6864-00155-1
HD
175757
last precise pa
94.5
last precise sep
54.364
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18579-2524 SIN 112 AC 1998 2 95 54.3 9.61 11.60 D 185754.72-252404.6
18579-2524 SIN 112 AC 1999 3 95 54.4 9.61 11.60 N D 185754.72-252404.6

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