A dataset provided by the European Space Agency

Name OT2_dhunter_4
Title Dust and Star Formation at Low Metallicities
URL

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DOI 10.5270/esa-fnjkaqt
Author hunter, d.
Description Dust affects the cooling cycle in the ISM and this affects the ability of a galaxy to form cold, dense clouds that can form stars. Thus, the low dust content of dwarf irregular galaxies should have consequences to the star formation process, but just what is the connection? We propose to use SPIRE and PACS to map the FIR dust continuum emission of 5 dwarf galaxies, specifically extending the sample of nearby resolved dwarfs being observed under KP-GT-OT1 programs to 5x lower metallicities. We will construct spatially resolved FIR spectral energy distributions and determine the dust components. That, in combination with our exquisite HI maps and comprehensive images tracing star formation over three age scales, will allow us to examine the relationship between the dust content, gas, and star formation in dwarf irregular galaxies as a function of metallicity. These data will be unique in the wealth of information they will provide about dust at very low metallicities, and this will be important for understanding the formation of stars in the early universe.
Publication DustPedia: Multiwavelength photometry and imagery of 875 nearby galaxies in 42 ultraviolet-microwave bands . Clark C. J. R. et al. . Astronomy & Astrophysics, Volume 609, id.A37, 30 pp. . 609 . 10.1051\/0004-6361\/201731419 . 2018A&A...609A..37C ,
Dust emissivity and absorption cross section in DustPedia late-type galaxies . Bianchi S. et al. . Astronomy and Astrophysics . null . null . 2019A&A...631A.102B ,
DustPedia: the relationships between stars, gas, and dust for galaxies residing in different environments . Davies J. I. et al. . Astronomy and Astrophysics . null . null . 2019A&A...626A..63D ,
Old and young stellar populations in DustPedia galaxies and their role in dust heating . Nersesian A. et al. . Astronomy and Astrophysics . null . null . 2019A&A...624A..80N ,
Fraction of bolometric luminosity absorbed by dust in DustPedia galaxies . Bianchi S. et al. . Astronomy & Astrophysics, Volume 620, id.A112, 21 pp. . 620 . 10.1051\/0004-6361\/201833699 . 2018A&A...620A.112B ,
Instrument PACS_PacsPhoto_largeScan, SPIRE_SpirePhoto_large
Temporal Coverage 2012-05-01T02:51:31Z/2012-11-27T14:37:45Z
Version SPG v14.2.0
Mission Description Herschel was launched on 14 May 2009! It is the fourth 'cornerstone' mission in the ESA science programme. With a 3.5 m Cassegrain telescope it is the largest space telescope ever launched. It is performing photometry and spectroscopy in approximately the 55-671 ┬Ám range, bridging the gap between earlier infrared space missions and groundbased facilities.
Creator Contact https://support.cosmos.esa.int/herschel/
Date Published 2013-05-27T13:19:11Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2013-05-27T13:19:11Z, OT2_dhunter_4, SPG v14.2.0. https://doi.org/10.5270/esa-fnjkaqt