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Communication Dans Un Congrès Année : 2015

Resolving the low-mass content of Westerlund 1 using MCAO

Résumé

We present deep Ks band Gemini GeMS/GSAOI observations of Westerlund 1, the most massive young Galactic star cluster known. The high spatial resolution combined with a relatively stable point spread function across a large field of view provide unique possibilities to resolve the low-mass content of the cluster. We show that the clean point spread function is crucial in handling the source detection in this crowded field suffering extremely high contrast from the brightest hypergiants in the cluster to faint brown dwarfs.
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Dates et versions

insu-03580793 , version 1 (18-02-2022)

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M. Andersen, B. Neichel, A. Bernard, V. Garrel. Resolving the low-mass content of Westerlund 1 using MCAO. Proceedings of the Fourth AO4ELT Conference. UCLA Conference Center, 2015, à renseigner, Unknown Region. pp.E7, ⟨10.20353/K3T4CP1131603⟩. ⟨insu-03580793⟩
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