A dataset provided by the European Space Agency

Name OT2_rindebet_1
Title Extreme PDRs: hard stellar radiation at low metallicity.
URL

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DOI https://doi.org/10.5270/esa-8ze0bbx
Author indebetouw, r.
Description We propose to use the unique power ot Herschel to analyze the most
extreme resolvable photdissociation regions, i.e. those at low metallicity
and energized by hard radiation. With a modest investment of observing
time, we will probe a unique part of parameter space, providing a strong
lever arm to test the validity of PDR models. Furthermore, the conditions
of low metallicity and hard field are exactly those which are more
prevalent in the early universe compared to today, and increasingly
important to understand the interstellar medium of early galaxies.
The regions we propose to study in detail in the local universe are a
unique window into how the first stars affected their environments,
which we will not easily study at this resolution.

The only PDRs close enough to resolve their structure and at low
metallicity are in the Magellanic Clouds. There are only a few nebulae
in the Clouds that are clearly energized by the extremely hard
radiation from Wolf-Rayet Stars, and we will analyze two in each
galaxy, which combined with our existing Spitzer and Herschel data will
provide unprecedented information on PDR physics throughout the
universe.
Publication A milestone toward understanding PDR properties in the extreme environment of LMC-30 Doradus . Chevance M. et al. . Astronomy & Astrophysics, Volume 590, id.A36, 20 pp. . 590 . 10.1051\/0004-6361\/201527735 . 2016A&A...590A..36C ,
The Herschel SPIRE Fourier Transform Spectrometer Spectral Feature Finder - II. Estimating radial velocity of SPIRE spectral observation sources . Scott Jeremy P. et al. . Monthly Notices of the Royal Astronomical Society . null . null . 2020MNRAS.496.4894S ,
The CO-dark molecular gas mass in 30 Doradus . Chevance Mélanie et al. . Monthly Notices of the Royal Astronomical Society . null . null . 2020MNRAS.494.5279C ,
Radiative and mechanical feedback into the molecular gas in the Large Magellanic Cloud. II. 30 Doradus . Lee M. -Y. et al. . Astronomy and Astrophysics . null . null . 2019A&A...628A.113L ,
Instrument SPIRE_SpireSpectrometer_, PACS_PacsLineSpec_large
Temporal Coverage 2013-02-04T04:39:48Z/2013-04-18T03:07:22Z
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.
Creator Contact https://support.cosmos.esa.int/h®erschel/
Date Published 2013-10-18T02:52:10Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, indebetouw, r., 2013, OT2_rindebet_1, SPG v14.2.0, European Space Agency, https://doi.org/10.5270/esa-8ze0bbx