A dataset provided by the European Space Agency

Name OT2_hgomez_3
Title Herschel Among the Early Types: cold dust in dead galaxies
URL

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DOI 10.5270/esa-u5qhbpw
Author gomez, h.
Description The Herschel Reference Survey (HRS), the first unbiased survey of dust in early-type galaxies (ETGs), has provided insights into the evolution of both S0s and ellipticals. The small dust disks in S0s suggest that these galaxies are early-type spirals that have had their dust and gas removed by environmental processes such as ram-pressure stripping. The properties of the dust in the ellipticals imply that the dust in these has been acquired by gravitational interactions - a process that is likely to be more important in low-density environments. Although the optical properties of ETGs do not depend strongly on environment, in contradiction to the hierarchical paradigm, our results suggest that there should be a clear environmental signature in the properties of the dust. The volume of the HRS, however, is dominated by the Virgo Cluster, and so contains few ETGs in genuinely low-density environments. As a collaboration between the HRS and ATLAS3D teams, we propose to carry out an efficient Herschel survey of the much larger ATLAS3D sample, providing a legacy survey of four times as many ETGs as are in the HRS and extending our original survey to much sparser environments. Apart from its legacy value, we will answer four questions: 1) Are the small sizes of the dust disks in S0s the result of a current environmental process? 2) How do the properties of the dust in ETGs depend on the mass of stars in the galaxy? 3) Do the dust properties of the ellipticals display the clear environmental signature that the hierarchical paradigm requires? 4) How do the dust properties of the ETGs depend on the specific angular momentum of the stars, which has been measured for the ATLAS3D galaxies and may be more revealing of the basic physics of ETGs than the morphological classification of ellipticals and S0s?
Publication The new galaxy evolution paradigm revealed by the Herschel surveys . Eales Stephen et al. . Monthly Notices of the Royal Astronomical Society, Volume 473, Issue 3, p.3507-3524 . 473 . 10.1093\/mnras\/stx2548 . 2018MNRAS.473.3507E ,
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 ,
Lurking systematics in predicting galaxy cold gas masses using dust luminosities and star formation rates . Janowiecki Steven et al. . Monthly Notices of the Royal Astronomical Society, Volume 476, Issue 1, p.1390-1404 . 476 . 10.1093\/mnras\/sty242 . 2018MNRAS.476.1390J ,
AKARI and IRAS: From beam corrections to SEDs . Clements Da...
Instrument SPIRE_SpirePhoto_small, SPIRE_SpirePhoto_large
Temporal Coverage 2013-04-16T20:28:27Z/2013-04-17T11:01:15Z
Version SPG v14.1.0
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 2013-10-17T10:51:32Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2013-10-17T10:51:32Z, OT2_hgomez_3, SPG v14.1.0. https://doi.org/10.5270/esa-u5qhbpw