Jürgen Knödlseder

Currently the ctools / GammaLib simply take the bin centres and interpolate between them bi-linearly (for 2D arrays). What's wrong with storing both bin edges for bins (whatever the bins...

Binary tables have proven flexible, effective and extensible for Fermi-LAT (the format is identical to the Fermi-LAT format) > Le 30 mars 2020 à 09:30, Maximilian Nöthe a écrit :...

I think that the definition was correct, the PSF gives the probability of measuring an event at a given offset from the (assumed) true source position. This probability may change...

The text as it was was correct. You always assume a true source position when you apply an IRF, the true position (as well as true energy) is an argument...

That's exactly the context. The difference is that a point-like PSF has a cut in offset w/r to the true position, the full enclosure has no cut in offset. >...

I like the proposal of @TarekHC. Maybe the following adjustment solves the issue: Point-like IRF: IRF components are calculated after applying a cut in direction offset, assuming the source is...

@TarekHC why is the background not an IRF? It's the response of the instrument to non-gamma-ray events. It's a model, like the PSF, effective area and energy dispersion. Fine with...

The IRF answers the question: "How does the instrument respond to a photon at position p with an energy E?" Or more mathematically: "What is the probability to measure an...

> Note the IRF @jknodlseder shared is not taking into account any cross-correlation between IRF components. Unfortunately, there is: the events with best angular resolution are generally the events with...

CTA is committed to FITS for the data that will be shipped to the User. > Le 20 mai 2020 à 21:13, Maximilian Nöthe a écrit : > > >...