New SExtractor tests to improve the detection of faint galaxies in the Fornax cluster region

FAIFER, F.; SMITH CASTELLI, A.; HERPICH, F.

Workshop; 16th S-PLUS Collaboration Meeting; 2021

The Fornax project aims at studying the Fornax galaxy cluster using S-PLUS images. Though highly studied, the Fornax galaxy cluster has never been analyzed simultaneously in 12 photometric bands. In the context of the Fornax project, 23 S-PLUS fields are being used to obtain homogeneous photometry of galaxies reported in the literature as Fornax members. In this poster, we present the initial steps to try to identify SExtractor parameters that help us to detect faint Fornax galaxies in S-PLUS images. From previous tests, we were able to recover 258 (mostly bright) galaxies with confident S-PLUS photometry among 1057 already reported in the literature. With our new tests, we aim to enlarge that sample with the detection of faint galaxies like those displaying low-surface brightnesses.