ELLIPSECT: A surface brightness analysis tool for GALFIT 3
Christopher A\~norve, Omar Ulises Reyes-Amador, Emmanuel R\'ios-L\'opez, Diego de Ram\'on Tadeo, Omar L\'opez-Cruz
TL;DR
EllipSect is a Python tool that enhances GALFIT 3 by providing detailed surface brightness analysis, non-parametric measurements, and publication-ready outputs for galaxy imaging data.
Contribution
It introduces EllipSect, a new Python-based analysis tool that complements GALFIT 3 with additional measurements and visualization capabilities.
Findings
Provides non-parametric measurements like effective radius and Petrosian radius.
Generates publication-quality figures and data exports.
Enables detailed assessment of GALFIT 3 models.
Abstract
EllipSect is a user-friendly analysis and measurement tool, implemented in Python, that operates on the imaging data together with the output of the widely used 2D surface-brightness fitting code GALFIT 3. It produces publication-quality figures and exportable data products to enable quantitative assessment of GALFIT 3 models and their individual components. In addition, EllipSect computes non-parametric measurements that are not provided by GALFIT 3, including the total effective radius resulting from multi-component fits, cusp radius, and the Petrosian radius. This paper provides examples and a quick guide for EllipSect.
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