A dataset provided by the European Space Agency

Name GT2_mbaes_2
Title Far-infrared investigation of early-type galaxies with dust lanes
URL

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DOI 10.5270/esa-nuhb1p2
Author baes, m.
Description Early-type galaxies are known to harbor a complex multi-phase interstellar medium. Their dust content, however, remains mysterious. Deep optical imaging surveys have shown that a large number of early-type galaxies possess dust features in a variety of morphological forms. Dust has also been detected in emission in many early-type galaxies using IRAS, ISO and Spitzer observations. Strangely, the dust masses derived from far-infrared observations are typically an order of magnitude larger than those estimated using optical extinction features. This inconsistency in the dust energy balance could suggest the presence of a diffusely distributed dust component that is hard to notice in extinction. We propose PACS and SPIRE imaging of a sample of 11 carefully selected, nearby early-type galaxies with regular and well-defined dust lanes. We will construct panchromatic radiative transfer models for each of these galaxies, based on multi-wavelength optical-NIR images and FIR-submm images. This will enable us to systematically investigate the dust energy balance in dust-lane early-type galaxies, to investigate the amount and the spatial distribution of the dust, to determine the optical properties of the dust, and to test the existence of a diffuse dust component.
Publication
Instrument PACS_PacsPhoto_largeScan, SPIRE_SpirePhoto_small
Temporal Coverage 2011-07-17T14:21:26Z/2013-01-21T06:05:02Z
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 2013-07-21T05:59:55Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2013-07-21T05:59:55Z, GT2_mbaes_2, SPG v14.2.0. https://doi.org/10.5270/esa-nuhb1p2