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sbird / fake_spectra

A code for generating fake spectra from a cosmological simulation
MIT License
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Simple rtn from Schmidt+2019 #62

Closed qezlou closed 2 years ago

qezlou commented 2 years ago

Looking at the difference in 10 random spectra with pixel resolution of 10 km/s in TNG300-1, we find the difference to be marginal, it is \Delta F <= 0.05 around pixels with F ~ 0. This difference is much smaller than the one between Hydro and FGPA, so It cannot explain the discrepancy between our results and Kooistra+2022

Should we start getting suspicious about the pixelization of the density and velocity in their work ?

Full_vs_simple_rtn_highres

sbird commented 2 years ago

hmm, indeed, 5% is not enough. I am becoming confused as to what is happening.