EllipSect: A Surface Brightness Analysis Tool for GALFIT 3

Revista Mexicana de Astronomía y Astrofísica 2026 Open access

Read full text
Authors: C. Añorve, Omar Ulises Reyes-Amador, Emmanuel Ríos-López, Diego de Ramón Tadeo, Omar Lopez‐Cruz
DOI: 10.22201/ia.30618649e.2026.62.01.7524
Cited by: 1
References: 54

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.

Fields of Study & Subjects

Cardiovascular Health and Disease Prevention Cardiovascular and Diving-Related Complications

Publication details

Journal / source
Revista Mexicana de Astronomía y Astrofísica
Publisher
Universidad Nacional Autonoma de Mexico
Volume
62
Issue
01
Pages
76–86
Publication date
1 March 2026
Language
EN