18573-3643 WLT   1AB

 
 
18h 57m 20.84s -36 43' 00.6" P.A. 306 sep 42.2 mag 10.95,13.35 Sp G5IV+M0.5
 
 
Coord 2000
18573-3643
Discov num
WLT   1
Comp
AB
Coord arcsec 2000
18 57 20.84 -36 43 00.6
Date first
1996
Date last
1999
Obs
4
Pa first
306
Pa last
306
P.A. Now (θ)
306°
Sep first
42.1
Sep last
42.2
Sep. Now (ρ)
42.2"
Mag pri
10.95
Mag sec
13.35
delta mag (ΔM)
2.4
Spectral class
G5IV+M0.5 (yellow/red)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
-021
Sec motion dec
-025
Notes
rPM=0.157 (< 0.3, Physical double)
This double is physical.
 
 
18573-3643 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18573-3643 WLT 1 AB 1996 1999 4 306 42.2 10.95 13.35 2.40 <===
Show 18573-3643 KOH 110 Ba,Bb 2000 2000 1 262 0.4 9.60 11.50 1.90
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.6
Precise sep
42.19
Constellation
Sagittarius
Tycho2
7421-01242-1
last precise pa
305.6
last precise sep
42.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18573-3643 WLT 1 AB 1999 2 306 42.2 10.95 13.35 G5IV+M0.5 D 185720.84-364300.6

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