SIMBAD references

2012AJ....144...41M - Astron. J., 144, 41 (2012/August-0)

An updated catalog of M33 clusters and candidates: UBVRI photometry and some statistical results.

MA J.

Abstract (from CDS):

We present UBVRI photometry for 392 star clusters and candidates in the field of M33, which are selected from the most recent star cluster catalog. In this catalog, the authors listed star clusters' parameters such as cluster positions, magnitudes, colors in the UBVRIJHKsfilters, and so on. However, a large fraction of objects in this catalog do not have previously published photometry. Photometry is performed using archival images from the Local Group Galaxies Survey, which covers 0.8 deg2 along the major axis of M33. Detailed comparisons show that, in general, our photometry is consistent with previous measurements. Positions (right ascension and declination) for some clusters are corrected here. Combined with previous literature, ours constitute a large sample of M33 star clusters. Based on this cluster sample, we present some statistical results: none of the youngest M33 clusters (∼107 yr) have masses approaching 105 M; roughly half the star clusters are consistent with the 104-105 M mass models; the continuous distribution of star clusters along the model line indicates that M33 star clusters have been formed continuously from the epoch of the first star cluster formation until recent times; and there are ∼50 star clusters which are overlapped with the Galactic globular clusters on the color-color diagram, and these clusters are old globular cluster candidates in M33.

Abstract Copyright:

Journal keyword(s): catalogs - galaxies: individual: M33 - galaxies: spiral - galaxies: star clusters: general

VizieR on-line data: <Available at CDS (J/AJ/144/41): table1.dat>

CDS comments: Objects NNN are [SM2007] NNN in Simbad.

Simbad objects: 394

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