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Hi Robin, Thanks for your response. I don't know if the following is a valid method to test the RV measurement stability with the LISA but I thought I would investigate it. I've made several measurements of Nova Del over the last 3 months and with each one I have a set of spectra (usually 10 x 60s) ...

I'm a relative newcomer to spectroscopy using a LISA on a C11 and I'm gradually learning about recording and processing spectra using ISIS. One area I'm interesting in exploring is the degree to which it is possible to measure relative radial velocities with a low resolution device like the LISA. I ...