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Characterizing star formation in the innermost kiloparsec of the galaxy NGC 1386
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- Journal:
- Proceedings of the International Astronomical Union / Volume 17 / Issue S373 / August 2021
- Published online by Cambridge University Press:
- 09 June 2023, pp. 111-113
- Print publication:
- August 2021
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- Article
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We characterize the star formation going on in the inner kiloparsec region of the galaxy NGC 1386 as derived from the analysis of a multiwavelength dataset covering the optical, near-IR and mid-IR at subarsec resolution. We detect 61 point sources, distributed in a ring of 960 pc radius around the center of the galaxy. From SED fitting we conclude that these are low mass (
) young clusters, with age distributed from 1 to 10 Myr, with median at 3.6 Myr. Comparison of the Hα luminosity of the clusters derived from the Hα+[N ii] narrow band image with that expected from the fitted ionizing continuum shows that a large fraction of the ionizing photons escapes from the clusters. Moreover, a large fraction of these photons escapes from the regions around the star forming ring.
) young clusters, with age distributed from 1 to 10 Myr, with median at 3.6 Myr. Comparison of the H