comment on multiply then convolve vs convolve then multiply

megbedell / wobble

precise data-driven RV fitting, now with tellurics!

https://wobble.readthedocs.io

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comment on multiply then convolve vs convolve then multiply #53

Open davidwhogg opened 5 years ago

davidwhogg commented 5 years ago

technically, the wobble model is that the log spectrum is the sum of resolution-convolved star plus resolution-convolved tellurics. In reality, the linear spectrum is the convolution of the product. How wrong are we?