Astron. J., 159, 82-82 (2020/March-0)
An updated Small Magellanic Cloud and Magellanic Bridge catalog of star clusters, associations, and related objects.
BICA E., WESTERA P., KERBER L.O., DIAS B., MAIA F., SANTOS J.F.C.Jr, BARBUY B. and OLIVEIRA R.A.P.
Abstract (from CDS):
We present a catalog of star clusters, associations, and related extended objects in the Small Magellanic Cloud (SMC) and the Magellanic Bridge with 2741 entries, a factor 2 more than a previous version from a decade ago. Literature data up until 2018 December are included. The identification of star clusters was carried out with digital atlases in various bands currently available in the Digitized Sky Survey and the Machine Automatique a Mesurer pour l'Astronomie. imaging surveys. In particular, we cross-identified recent cluster samples from the Visible and Infrared Survey Telescope for Astronomy near-infrared YJKs survey of the Magellanic System, Optical Gravitational Lensing Experiment IV, and Survey of the MAgellanic Stellar History surveys, confirming new clusters and pointing out equivalencies. A major contribution of the present catalog consists of the accurate central positions for clusters and small associations, including a new sample of 45 clusters or candidates in the SMC and 19 in the Magellanic Bridge, as well as a compilation of the most reliable age and metallicity values from the literature. A general catalog must also deal with the recent discoveries of 27 faint and ultra-faint star clusters and galaxies projected on the far surroundings of the Clouds, most of them from the Dark Energy Survey. The information on these objects has been complemented with photometric, spectroscopic, and kinematical follow-up data from the literature. The underluminous galaxies around the Magellanic System, still very few as compared to the predictions from Λ Cold Dark Matter simulations, can bring constraints to galaxy formation and hierarchical evolution. Furthermore, we provide diagnostics, when possible, of the nature of the ultra-faint clusters, searching for borders of the Magellanic System extensions into the Milky Way gravitational potential.
© 2020. The American Astronomical Society. All rights reserved.
Celestial objects catalogs - Small Magellanic Cloud - Star clusters - Galaxy interactions
VizieR on-line data:
<Available at CDS (J/AJ/159/82): table2.dat table4.dat>
Status at CDS
Examining the need for a new acronym. // Tables of objects will be appraised for possible ingestion in SIMBAD.
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