Published December 1, 2023 | Version v1
Software Open

Stellar LOSVD Analysis (SLA)

  • 1. ROR icon Lomonosov Moscow State University
  • 2. ROR icon New York University Abu Dhabi

Description

Freezed version of code for the non-parametrical recovery of stellar Line-Of-Sight Velocity Distributions (LOSVD) from galaxy spectra.

Stellar LOSVD recovery from the observed galaxy spectra is equivalent to a deconvolution and can be solved as a linear inverse problem. To overcome its ill-posed nature we apply smoothing regularization. Here we present a non-parametric fitting technique and show real-world application to **MaNGA** spectral data cubes and **long-slit spectrum** of stellar counter-rotating galaxies.

More information about this technique can be found in ADASS XXXI conference proceeding (https://arxiv.org/abs/2112.08386).

Files

sla-main.zip

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Additional details

Related works

Is documented by
Proposal: arXiv:2112.08386 (arXiv)
Is supplemented by
Software: https://github.com/gasymovdf/sla (Other)