18579-2524 B  2871AB

 
 
18h 57m 54.72s -25 24' 04.6" P.A. 295 sep 14.8 mag 9.61,11.60 Sp F2/3III/
 
 
Coord 2000
18579-2524
Discov num
B  2871
Comp
AB
Coord arcsec 2000
18 57 54.72 -25 24 04.6
Date first
1909
Date last
1999
Obs
7
Pa first
292
Pa last
295
P.A. Now (θ)
295°
Sep first
15.0
Sep last
14.8
Sep. Now (ρ)
14.8"
Mag pri
9.61
Mag sec
11.60
delta mag (ΔM)
1.99
Spectral class
F2/3III/ (yellow-white)
Pri motion ra
-004
Sec motion ra
+006
Pri motion dec
-006
Sec motion dec
+008
Notes
N (See Notes)
rPM=1.72
This double is not 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
295
Precise sep
14.821
Constellation
Sagittarius
SAO
187508
Tycho2
6864-00155-1
HD
175757
last precise pa
295
last precise sep
14.821
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18579-2524 B 2871 AB 1998 6 295 14.9 9.61 11.60 N D 185754.72-252404.6
18579-2524 B 2871 AB 1999 7 295 14.8 9.61 11.60 N D 185754.72-252404.6
18579-2524 B 2871 AB 2010 8 295 14.4 9.61 11.60 F2/3III/ N 185754.72-252404.6

If you need more information about this double, apply for a data request form to the WDS.