Bin particles into spectral library bins

[ufuk-cakir]

For calculating the spectra of the stars, we currently interpolate the SSP spectral library.

Other implementations first bin the stars ages and metallicities into the bins from the Spectral library, and then associate all particles that are in the same bin in the SPP template to have the same spectrum. See for example here.

Maybe we need to think of which approach we want to have. Performing binning will result in less computational overhead, since we need to calculate way less spectra. This will also improve the memory footprint and make it more efficient.

The questions is however, which aproach makes more sense from a physics point of view.

[TobiBu]

One thing i see here is that if we do not interpolate we still need to process the velocities of all individual stars separately for the Doppler shift. Even if they fall in the same spectral bin.Am 08.06.2024 um 12:58 schrieb Ufuk Çakir ***@***.***>: For calculating the spectra of the stars, we currently interpolate the SSP spectral library. Other implementations first bin the stars ages and metallicities into the bins from the Spectral library, and then associate all particles that are in the same bin in the SPP template to have the same spectrum. See for example here. Maybe we need to think of which approach we want to have. Performing binning will result in less computational overhead, since we need to calculate way less spectra. This will also improve the memory footprint and make it more efficient. The questions is however, which aproach makes more sense from a physics point of view. —Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you are subscribed to this thread.Message ID: ***@***.***>