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Because the ASTRON VO has been registered with a central registry, all HiPS data collections can be visualised through Aladin. However, some of our collections have been "promoted" by the Aladin admins, and they show up at a different place in the menu structure. The promoted collections are shown in the HiPS overview at the top of this page. To bring up a HiPS, either select the Image → Radio entry in the menu (yellow directory icons) where you can see the promoted collections, or the Others → HiPS → astron.nl (purple directory icons). Alternatively you can use the select box to (partially) type the name of the HiPS you want in the background. Fig. 9 shows the HiPS of LoTSS DR1 image, and the list of ASTRON HiPSes and where to find them (please note that for presentational purposes only the ASTRON data is displayed in this screen shot).
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 Fig. 9 Aladin display panel. In the left column (pointed at by the red arrow) the ASTRON HiPS services are shown, witg LoTSS DR2 (high-resolution) shown. The middle panel shows the HiPS of this survey. In the right column is the "stack" which shows the loaded data sets (in this case only LoTSS DR1). Click for a bigger image. |
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