SIMBAD references

2018MNRAS.474.4358W - Mon. Not. R. Astron. Soc., 474, 4358-4365 (2018/March-2)

Exploring the nature and synchronicity of early cluster formation in the Large Magellanic Cloud - III. Horizontal branch morphology.

WAGNER-KAISER R., MACKEY D., SARAJEDINI A., COHEN R.E., GEISLER D., YANG S.-C., GROCHOLSKI A.J. and CUMMINGS J.D.

Abstract (from CDS):

We leverage new high-quality data from Hubble Space Telescope program GO-14164 to explore the variation in horizontal branch morphology among globular clusters in the Large Magellanic Cloud (LMC). Our new observations lead to photometry with a precision commensurate with that available for the Galactic globular cluster population. Our analysis indicates that, once metallicity is accounted for, clusters in the LMC largely share similar horizontal branch morphologies regardless of their location within the system. Furthermore, the LMC clusters possess, on average, slightly redder morphologies than most of the inner halo Galactic population; we find, instead, that their characteristics tend to be more similar to those exhibited by clusters in the outer Galactic halo. Our results are consistent with previous studies, showing a correlation between horizontal branch morphology and age.

Abstract Copyright: © 2017 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: horizontal branch - globular clusters: general - Magellanic Clouds - galaxies: star clusters: general

Simbad objects: 21

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2019.10.15-02:21:25

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