18142-3525 B   424AC

 
 
18h 14m 14.81s -35 24' 46.9" P.A. 142 sep 42.5 mag 8.95,10.77 Sp A:
 
 
Coord 2000
18142-3525
Discov num
B   424
Comp
AC
Coord arcsec 2000
18 14 14.81 -35 24 46.9
Date first
1912
Date last
2001
Obs
9
Pa first
142
Pa last
142
P.A. Now (θ)
142°
Sep first
42.6
Sep last
42.5
Sep. Now (ρ)
42.5"
Mag pri
8.95
Mag sec
10.77
delta mag (ΔM)
1.82
Spectral class
A: (white)
Pri motion ra
-001
Sec motion ra
-015
Pri motion dec
-011
Sec motion dec
-013
Notes
rPM=0.712
Nature of this double is uncertain.
 
 
18142-3525 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 209891 18142-3525 B 424 AB 1926 2014 5 82 1.0 8.95 9.60 0.65
Show 209891 18142-3525 B 424 AC 1912 2001 9 142 42.5 8.95 10.77 1.82 <===
Show 18142-3525 B 424 CD 1912 2001 6 42 2.7 10.77 12.10 1.33
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141.8
Precise sep
42.52
Constellation
Sagittarius
SAO
209891
Tycho2
7400-01283-1
HD
166905
last precise pa
141.8
last precise sep
42.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18142-3525 B 424 AC 1998 5 142 42.5 8.54 10.77 A: D 181414.81-352446.9
18142-3525 B 424 AC 2001 9 141 42.4 8.95 10.77 A: D 181414.81-352446.9

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