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Wiley, Monthly Notice- Royal Astronomical Society -Letters-, 1(444), p. L90-L94

DOI: 10.1093/mnrasl/slu121

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An extremely low gas-to-dust ratio in the dust-lane lenticular galaxy NGC 5485

Journal article published in 2014 by Maarten Baes ORCID, Flor Allaert, Marc Sarzi, Ilse De Looze, Jacopo Fritz, Gianfranco Gentile, Thomas M. Hughes, Ivânio Puerari, Matthew Wl L. Smith, Sébastien Viaene
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Evidence is mounting that a significant fraction of the early-type galaxy population contains substantial reservoirs of cold interstellar gas and dust. We investigate the gas and dust in NGC 5485, an early-type galaxy with a prominent minor-axis dust lane. Using new Herschel PACS and SPIRE imaging data, we detect 3.8 x 10(6) M-aS (TM) of cool interstellar dust in NGC 5485, which is in stark contrast with the non-detection of the galaxy in sensitive H i and CO observations from the ATLAS(3D) consortium. The resulting gas-to-dust ratio upper limit is M-gas/M-d