PHATTER. IV. Star cluster catalog Virtual Observatory Resource

Authors

1. Johnson L.C.
2. Wainer T.M.
3. TorresVillanueva E.E.
4. Seth A.C.,Williams B.F.
5. Durbin M.J.
6. Dalcanton J.J.
7. Weisz D.R.
8. Bell E.F.,Guhathakurta P.
9. Skillman E.
10. Smercina A.
11. The PHATTER Collaboration.

Published by

CDS

Abstract

We construct a catalog of star clusters from Hubble Space Telescope images of the inner disk of the Triangulum Galaxy (M33) using image classifications collected by the Local Group Cluster Search (LGCS), a citizen science project hosted on the Zooniverse platform. We identify 1214 star clusters within the Hubble Space Telescope imaging footprint of the Panchromatic Hubble Andromeda Treasury: Triangulum Extended Region (PHATTER) survey. Comparing this catalog to existing compilations in the literature, 68% of the clusters are newly identified. The final catalog includes multiband aperture photometry and fits for cluster properties via integrated light spectral energy distribution fitting. The cluster catalog's 50% completeness limit is ~1500M_{sun}_ at an age of 100Myr, as derived from comprehensive synthetic cluster tests.

Keywords

1. open-star-clusters
2. galaxies
3. hst-photometry
4. ultraviolet-astronomy
5. visible-astronomy
6. infrared-astronomy
7. astronomical-object-identification
8. extinction

Bibliographic source Bibcode

2022ApJ...938...81J

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IVOA Identifier IVOID

ivo://CDS.VizieR/J/ApJ/938/81

Document Object Identifer DOI

doi:10.26093/cds/vizier.19380081

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