12434-2514 B  2739CD

 
 
12h 43m 28.05s -25 13' 50.5" P.A. 295 sep 7.7 mag 12.20,13.90
 
 
Coord 2000
12434-2514
Discov num
B  2739
Comp
CD
Coord arcsec 2000
12 43 28.05 -25 13 50.5
Date first
1911
Date last
2017
Obs
7
Pa first
318
Pa last
295
P.A. Now (θ)
295°
Sep first
3.2
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
12.20
Mag sec
13.90
delta mag (ΔM)
1.7
Spectral class
Pri motion ra
+037
Sec motion ra
-046
Pri motion dec
-015
Sec motion dec
+067
Notes
rPM=1.436
This double is not physical.
 
 
12434-2514 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12434-2514 I 908 AB 1910 2015 12 154 3.5 10.22 11.10 0.88
Show 12434-2514 I 908 AC 1911 2017 6 21 39.8 10.22 12.15 1.93
Show 12434-2514 B 2739 CD 1911 2017 7 295 7.7 12.20 13.90 1.70 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
294.6
Precise sep
7.66
Constellation
Hydra
Tycho2
6688-00227-1
Gaia DR2
08146942080
HD
110590
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12434-2514 B 2739 CD 1926 2 310 4.2 12.00 12.80 124315.00-251400.0
12434-2514 B 2739 CD 1998 3 298 6.9 12.20 13.90 D 124328.05-251350.5
12434-2514 B 2739 CD 1999 4 298 7.0 12.20 13.90 D 124328.05-251350.5
12434-2514 B 2739 CD 2017 7 295 7.7 12.20 13.90 124328.05-251350.5

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