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X-ray binary systems




Project Members

  • G.W.H. van den Akker
  • R. de Rooij
  • dr. D. Altamirano (supervisor)
  • prof. dr. L.B.F.M. Waters (supervisor)



Summary

A study of High and Low Mass X-ray Binary systems was done with the Mercator telescope. Our main interest was to study V* V615 Cas (LSI +61303) and SS433 between 342 and 749 nm. To do this we used the Mercator Telescope on La Palma to observe them. Besides these binaries, we observed a few otehrs. But due to circumstantial conditions a lot of the data had been proven unusable during the data reduction process.

First of all some the X-ray binaries were highly variable and the observation time was fragmented. Observations a few days apart are not usable together. Secondly, V934 Her was saturated and therefor not usable. Thirdly, the Geneva system we used was relativley new and therefor not many observations had been done in order to get standard stars to calibrate. There was not a publicly excessable All Sky Survey available for general use. Although some surveys had been done previously, there were not enough stars in it to calibrate our data. Fourthly, the U-band gave not very usable data.

We were able to reduce the data of HD 245770 and compare it with the theoretical values that followed from the Kurucz model. Although on first sight it doesn't show much resemblance, this can be explained several factors. Despite the fact that a lot of observations had been made of Low Mass X-ray Binaries, all these data proved unfortunately to be unuseful. Therefor the analysis of the LMXBs remained a theoretical excersize.




Images

The dome of the Mercator telescope.
The dome of the Mercator telescope.
Me and the Mercator telescope.
Me and the Mercator telescope.

Projects

  • Projects home
  • De kosmos op een presenteerblad
  • Floris Mod Pack
  • Website restructuring
  • Gezwets in de ruimte
  • Looking around 10 μm at η-Car
  • Observation practicum δ-Cep
  • X-ray binary systems
  • MOKE
  • Characterizing the Kuiper Belt
  • Het nagloeien van Gamma Ray Bursts
  • Botsende sterrenstelsels

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