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GALExtin: an alternative online tool to determine the interstellar extinction in the Milky Way

Abstract : Estimates of interstellar extinction are essential in a broad range of astronomical research. In the last decades, several maps and models of the large-scale interstellar extinction in the Galaxy have been published. However, these maps and models have been developed in different programming languages, with different user interfaces and input/output formats, which makes using and comparing results from these maps and models difficult. To address this issue, we have developed a tool called GALExtin (http://www.galextin.org), which estimates interstellar extinction based on both available 3D models/maps and 2D maps. The user only needs to provide a list with coordinates (and distance) and to choose a model/map. GALExtin will then provide an output list with extinction estimates. It can be implemented in any other portal or model that requires interstellar extinction estimates. Here, a general overview of GALExtin is presented, along with its capabilities, validation, performance and some results.
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https://hal-insu.archives-ouvertes.fr/insu-03672334
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Submitted on : Thursday, May 19, 2022 - 11:57:57 AM
Last modification on : Monday, July 4, 2022 - 8:44:05 AM

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Eduardo B. Amôres, Ricardo M. Jesus, André Moitinho, Vladan Arsenijevic, Ronaldo S. Levenhagen, et al.. GALExtin: an alternative online tool to determine the interstellar extinction in the Milky Way. Monthly Notices of the Royal Astronomical Society, 2021, 508, pp.1788-1797. ⟨10.1093/mnras/stab2248⟩. ⟨insu-03672334⟩

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