12242-3224 DAW  61BC

 
 
12h 24m 05.43s -32 24' 00.3" P.A. 138 sep 1 mag 11.40,10.90
 
 
Coord 2000
12242-3224
Discov num
DAW  61
Comp
BC
Coord arcsec 2000
12 24 05.43 -32 24 00.3
Date first
1919
Date last
2015
Obs
5
Pa first
130
Pa last
138
P.A. Now (θ)
138°
Sep first
1.1
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
11.40
Mag sec
10.90
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+049
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
B (Blue magnitudes)
Nature of this double is uncertain.
 
 
12242-3224 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12242-3224 HJ 4519 AB 1834 2017 11 91 8.8 9.80 11.40 1.60
Show 12242-3224 DAW 61 BC 1919 2015 5 138 1.0 11.40 10.90 0.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
137.5
Precise sep
1.004
Constellation
Hydra
SAO
203433
Gaia DR2
74220948352
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12242-3224 DAW 61 BC 1961 4 138 0.9 11.93 11.40 B 122405.27-322359.6
12242-3224 DAW 61 BC 2015 5 138 1.0 11.40 10.90 B 122405.43-322400.3

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