We may not be sampling galaxy properties properly

zhafen / linefinder

A tool for finding and classifying the worldlines of Lagrangian parcels of mass, in the context of hydrodynamic simulations of galaxy formation.

https://zhafen.github.io/linefinder

MIT License

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We may not be sampling galaxy properties properly #75

Closed zhafen closed 6 years ago

zhafen commented 6 years ago

Originally reported by Zachary Hafen (Bitbucket: zhafen, GitHub: zhafen)

We sample uniformly from all particles that were ever in a galaxy, but that may not be right...

Bitbucket: https://bitbucket.org/zhafen/pathfinder/issue/75

zhafen commented 6 years ago

Original comment by Zachary Hafen (Bitbucket: zhafen, GitHub: zhafen)

One can work do an exercise by hand to test this, and find that as long as we select from the subset of particles that are currently in our selected quantity, we're fine.