2022-02-25

moar comparison of radial-velocity spectrographs; I was wrong

I got all excited last weekend about how to compare spectrographs, and I got a beautiful result. And then Megan Bedell (Flatiron) pointed out that my result is in conflict with something we worked out a few years previously about the accuracy with which a radial velocity can be measured given only one spectral line. She is right! I know nothing. I'm confused. How can this be hard? I spent the late afternoon trying to get this all resolved.

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