Eagle Creek Observatory
"Teaching young minds about the heavens"

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Double Stars in Crux
The Cross
Here is a listing of the 21 or so best doubles in Crux.
The star name contains a link so you may click there to see more detailed information about this double star.
Some entries may return multiple stars, click on the one of interest and the information will be displayed.
If more than one entry is listed click on each of them to view the data. Use the Aladin Previewer to see a photograph of the star.
Click HERE for an ETX tour.

Name SAO Sep PA Mag1 Mag2 RA Dec Spect Color Comments
HIP 58456   8.3 21 8.0 8.0 11:59.2 -62:46 F5    
DUN 117 251721 23.0 149 8.5 8.5 12:04.9 -62:01 B8    
ETA CRUX 251742 44.0 299 4.5 10.0 12:06.9 -64:36 F0    
I 902 239793 2.7 168 8.0 10.0 12:15.5 -59:11 G5    
HJ 4516 251881 17.4 96 7.5 9.5 12:23.8 -63:59 A5    
COO 137   10.0 342 8.5 9.5 12:23.9 -62:06 A2    
HIP 60557 239932 5.3 335 8.0 8.0 12:24.8 -58:06 G0   Near Open Cluster NGC 4337
ACRUX 251904 4.4 115 1.5 2.0 12:26.6 -63:05 B1/B3 ***  
R 200 251909 2.5 137 8.5 9.5 12:27.3 -60:47 B5   Within a dense star field
HJ 4524 239969 31.1 338 7.5 9.5 12:28.2 -60:02 A0   Within Open Cluster NGC 4439
CP 12 251919 1.9 221 8.0 8.5 12:28.3 -61:45 G0 ***  
HDO 217B   27.2 275 6.0 13.0 12:28.7 -56:23 K0    
I 36 251928 21.8 325 7.0 12.0 12:28.9 -61:52 B5    
GAMMA CRUX 240019 111.0 31 1.5 6.5 12:31.2 -57:06 M3/A2 *** optical double
HLD 116 240104 1.9 193 7.0 9.0 12:38.1 -55:56 A2    
HJ 4543 240183 2.5 163 6.5 11.0 12:43.5 -58:53 K0    
COO 140 252014 4.9 97 7.5 9.0 12:45.3 -62:12 F8    
IOTA CRUX 252016 26.9 22 4.5 7.5 12:45.6 -60:58 K1    
HJ 4548 240235 52.6 169 5.0 8.5 12:46.4 -56:29 B3    
BETA CRUX 240259 44.3 322 1.5 11.0 12:47.7 -59:41 B0    
MU CRUX 240366 34.9 17 4.5 5.5 12:54.6 -57:10 B3/B5    

Image created using TheSky 4.0 Level IV
available from Bisque Software


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Some information gathered from Burgham's Celestial Handbooks and converted to J2000, other from my own observations.
Page 2003 Kevin Muenzler, Eagle Creek Observatory.