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3D tomography of local interstellar gas and dust

Abstract : Interstellar absorption data and Strömgren photometric data for target stars possessing a Hipparcos parallax have been combined to build a 3D tomography of local gas and dust. We show the latest inverted 3D distributions within 250 pc, compare gas and dust maps and discuss the present limitations and work in progress. Gaia extinction data and follow-up ground-based stellar spectra (e.g. with GYES at the CFHT) will provide a far larger database that should allow a 3D tomography of much higher quality and extended to much larger distances.
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https://hal.archives-ouvertes.fr/hal-00550512
Contributor : Catherine Cardon Connect in order to contact the contributor
Submitted on : Tuesday, December 28, 2010 - 3:01:06 PM
Last modification on : Tuesday, November 16, 2021 - 4:04:28 AM

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  • HAL Id : hal-00550512, version 1

Citation

Séverine Raimond, Rosine Lallement, Jean-Luc Vergely. 3D tomography of local interstellar gas and dust. SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Jun 2010, Marseille, France. pp.45-49. ⟨hal-00550512⟩

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