SIMBAD references

2022MNRAS.510.1383B - Mon. Not. R. Astron. Soc., 510, 1383-1392 (2022/February-2)

A new method to detect globular clusters with the S-PLUS survey.

BUZZO M.L., CORTESI A., FORBES D.A., BRODIE J.P., COUCH W.J., BARBOSA C.E., DE BRITO SILVA D., COELHO P., CHIES-SANTOS A.L., ESCUDERO C., SESTO L., MENENDEZ-DELMESTRE K., GONCALVES T.S., BOM C.R., ALVAREZ-CANDAL A., SMITH CASTELLI A.V., SCHOENELL W., KANAAN A., RIBEIRO T. and MENDES DE OLIVEIRA C.

Abstract (from CDS):

In this paper, we describe a new method to select globular cluster (GC) candidates, including galaxy subtraction with unsharp masking, template fitting techniques, and the inclusion of Gaia's proper motions. We report the use of the 12-band photometric system used by S-PLUS to determine radial velocities and stellar populations of GCs around nearby galaxies. Specifically, we assess the effectiveness of identifying GCs around nearby and massive galaxies (D < 20 Mpc and σ > 200 km s–1) in a multiband survey such as S-PLUS by using spectroscopically confirmed GCs and literature GC candidate lists around the bright central galaxy in the Fornax cluster, NGC 1399 (D = 19 Mpc), and the isolated lenticular galaxy NGC 3115 (D = 9.4 Mpc). Despite the shallow survey depth, which limits this work to r < 21.3 mag, we measure reliable photometry and perform robust SED fitting for a sample of 115 GCs around NGC 1399 and 42 GCs around NGC 3115, recovering radial velocities, ages, and metallicities for the GC populations.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): surveys - galaxies: evolution - galaxies: star clusters: general

Simbad objects: 7

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