Transcript

PROFESSOR:

OK, I'm now in the variable star plotting tool. And my results have been sent through. So the image that we've just analysed is this one here. Is the central one, EA3, image taken on this date. And the results that we had from the aperture photometry have been sent through to the plotting tool.

So I've got results from two other images already in the plotting tool. These were images that I'd taken on different dates. So I've now got three data points in the variable star plotter. So in order to look at those, what I need to do is to go down to the light curve box and make sure that I've selected the correct star. So the one that we're looking at, remember, was EA3. That's the one that we measured with the aperture photometry tool. So if I select EA3, I can see that my three measurements are highlighted in red here taken on these dates. And then there's a bunch of other measurements taken by other people in green here showing the light curve on different dates.

So at the moment, it's quite difficult to make out any sort of pattern. So what I can do is press Fold Data. And that combines all the results onto a single period of the object. And here we can see now I've got my light curve-- all of the green measurements made by other people combined with my red measurements, showing something interesting going on with the star here and then continuing on. So my measurements have been added to those made by other people. And just as Jo described, as people continue to add their results to the light curve, this will build up to form a complete picture of the behaviour of this variable star.