12218-3404 LDS 405AB

 
 
12h 21m 49.45s -34 04' 57.1" P.A. 259 sep 54.8 mag 13.33,13.38
 
 
Coord 2000
12218-3404
Discov num
LDS 405
Comp
AB
Coord arcsec 2000
12 21 49.45 -34 04 57.1
Date first
1920
Date last
2015
Obs
8
Pa first
225
Pa last
259
P.A. Now (θ)
259°
Sep first
57.0
Sep last
54.8
Sep. Now (ρ)
54.8"
Mag pri
13.33
Mag sec
13.38
delta mag (ΔM)
0.05
Spectral class
Pri motion ra
-081
Sec motion ra
-056
Pri motion dec
+014
Sec motion dec
+004
Notes
rPM=0.328
Nature of this double is uncertain.
 
 
12218-3404 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12218-3404 LDS 405 AB 1920 2015 8 259 54.8 13.33 13.38 0.05 <===
Show 12218-3404 LDS 405 AC 1920 2010 7 259 257.2 13.33 13.87 0.54
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259
Precise sep
54.776
Constellation
Hydra
Gaia DR2
31467816064
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12218-3404 LDS 405 AB 1920 1 45 57.0 12.70 12.90 X 122107.50-340400.0
12218-3404 LDS 405 AB 2000 4 259 55.1 13.30 13.40 122149.45-340457.1
12218-3404 LDS 405 AB 2015 6 259 54.8 13.33 13.38 122149.45-340457.1

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