While much of what we have gleaned of the details of dust and gas properties and the processes of dust recycling and heating and cooling in galaxies has been limited to Galactic studies, with Herschel we will be able to explore these issues in low metallicity dwarf galaxies which are known by now to exhibit dust and gas properties different from more metal-rich galaxies. Because these objects are relatively nearby, it is possible to relate the observed variations in the SEDs to the actual physical phenomena occuring within the ISM of the galaxy, allowing the construction of a rich interpretative framework for unresolved, more distant galaxies in the early universe.Using the SPIRE and PACS instruments on Herschel, we propose to map the dust and gas in a 51 dwarf galaxies, sampling a broad metallicity range of 1/50 to 1/3 solar. These data, in conjunction with other ancillary data, will be used to construct the emission spectrum of the dust plus that of the gas in the most important cooling lines. The combination of these instruments onboard Herschel will provide the first opportunity to study the dust and gas in extremely low metallicity environments that have not yet experienced repeated recycling through the ISM. The interpretation of this data will open the door to comprehending primordial ISM conditions and star formation in the young universe.
Publication
Using dust, gas and stellar mass-selected samples to probe dust sources and sinks in low-metallicity galaxies | De Vis P. et al. | Monthly Notices of the Royal Astronomical Society Volume 471 Issue 2 p.1743-1765 | 471 | 10.1093\\/mnras\\/stx981 | 2017MNRAS.471.1743D | http://adsabs.harvard.edu/abs/2017MNRAS.471.1743D
A nearby galaxy perspective on dust evolution. Scaling relations and constraints on the dust build-up in galaxies with the DustPedia and DGS samples | Galliano Frederic et al. | Astronomy and Astrophysics | null | null | 2021A&A...649A..18G |
Reproducing the Universe: a comparison between the EAGLE simulations and the nearby DustPedia galaxy sample | Trcka Ana et al. | Monthly Notices of the Royal Astronomical Society | null | null | 2020MNRAS.494.2823T |
An Overview of the Dwarf Galaxy Survey | Madden S. C. et al. | Publications of the Astronomical Society of the Pacific Volume 125 Issue 928 pp. 600 (2013). | 125 | 10.1086\\/671138 | 2013PASP..125..600M | http://adsabs.harvard.edu/abs/2013PASP..125..600M
Massive young stellar objects in the Local Group spiral galaxy M 33 identified using machine learning | Kinson David A. et al. | Monthly Notices of the Royal Astronomical Society | null | null | 2022MNRAS.517..140K |
Dust emissivity and absorption cross section in DustPedia late-type galaxies | Bianchi S. et al. | Astronomy and Astrophysics | null | null | 2019A&A...631A.102B |
Diversity of dwarf galaxy IR-submm emission patterns: CLUES from hydrodynamical simulations | Santos-Santos Isabel M. E. et al. | Astronomy & Astrophysics Volume 603 id.A4 22 pp. | 603 | 10.1051\\/0004-6361\\/201629426 | 2017A&A...603A...4S | http://adsabs.harvard.edu/abs/2017A%26A...603A...4S
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 | http://adsabs.harvard.edu/abs/2018A%26A...620A.112B
UV to submillimetre luminosity functions of TNG50 galaxies | Trcka Ana et al. | Monthly Notices of the Royal Astronomical Society | null | null | 2022MNRAS.516.3728T |
The Herschel Virgo Cluster Survey. XVIII. Star-forming dwarf galaxies in a cluster environment | Grossi M. et al. | Astronomy & Astrophysics Volume 574 id.A126 30 pp. | 574 | 10.1051\\/0004-6361\\/201424866 | 2015A&A...574A.126G | http://adsabs.harvard.edu/abs/2015A%26A...574A.126G
Revealing the cold dust in low-metallicity environments. I. Photometry analysis of the Dwarf Galaxy Survey with Herschel | Remy-Ruyer A. et al. | Astronomy & Astrophysics Volume 557 id.A95 32 pp. | 557 | 10.1051\\/0004-6361\\/201321602 | 2013A&A...557A..95R | http://adsabs.harvard.edu/abs/2013A%26A...557A..95R
Scanamorphos: A Map-making Software for Herschel and Similar Scanning Bolometer Arrays | Roussel H. et al. | Publications of the Astronomical Society of the Pacific Volume 125 Issue 931 pp. 1126 (2013). | 125 | 10.1086\\/673310 | 2013PASP..125.1126R | http://adsabs.harvard.edu/abs/2013PASP..125.1126R
Tracing the total molecular gas in galaxies: CII and the CO-dark gas | Madden S. C. et al. | Astronomy and Astrophysics | null | null | 2020A&A...643A.141M |
Linking dust emission to fundamental properties in galaxies: the low-metallicity picture | Remy-Ruyer A. et al. | Astronomy & Astrophysics Volume 582 id.A121 42 pp. | 582 | 10.1051\\/0004-6361\\/201526067 | 2015A&A...582A.121R | http://adsabs.harvard.edu/abs/2015A%26A...582A.121R
The Herschel Dwarf Galaxy Survey. II. Physical conditions, origin of C II emission, and porosity of the multiphase low-metallicity ISM | Cormier D. et al. | Astronomy and Astrophysics | null | null | 2019A&A...626A..23C |
DustPedia: A Definitive Study of Cosmic Dust in the Local Universe | Davies J. I. et al. | Publications of the Astronomical Society of the Pacific Volume 129 Issue 974 pp. 044102 (2017). | 129 | 10.1088\\/1538-3873\\/129\\/974\\/044102 | 2017PASP..129d4102D | http://adsabs.harvard.edu/abs/2017PASP..129d4102D
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 | http://adsabs.harvard.edu/abs/2018A%26A...609A..37C
Herschel photometric observations of the nearby low metallicity irregular galaxy NGC 6822 | Galametz M. et al. | Astronomy and Astrophysics Volume 518 id.L55 6 pp. | 518 | 10.1051\\/0004-6361\\/201014604 | 2010A&A...518L..55G | http://adsabs.harvard.edu/abs/2010A%26A...518L..55G
Instrument
PACS_PacsPhoto_largeScan, SPIRE_SpirePhoto_large
Temporal Coverage
2009-10-06T03:01:21Z/2009-11-22T19:55:09Z
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 µm range, bridging the gap between earlier infrared space missions and groundbased facilities.
European Space Agency, madden et al., 2010, 'The ISM in Low Metallicity Environments: Bridging the Gap Between Local Universe and Primordial Galaxies', SPG v14.2.0, European Space Agency, https://doi.org/10.5270/esa-gg4wam0
