A dataset provided by the European Space Agency

Name OT2_egonza01_3
Title Excited H2O and OH as tracers of buried activity in the nuclear regions of (Ultra) Luminous Infrared Galaxies
URL

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DOI 10.5270/esa-60e6k3l
Author gonzalez-alfonso, e.
Description H2O and OH are key tracers of the structure, kinematics, and activity in the nuclear regions of (Ultra) Luminous Infrared Galaxies (ULIRGs): with their excitation dominated by pumping by far-infrared continuum radiation, they probe the nuclear source of the far-IR radiation and its associated structures (disks, torus); their P-Cygni, absorption, and emission profiles trace massive molecular outflows and possibly inflows, and the astrophysically important associated energetics involved in the (negative) feedback from star formation and-or AGN on the molecular gas; they probe the physical and radiative environments (X-rays, cosmic rays, hot cores) where they reside. In order to distinguish among the above scenarios, we propose PACS spectroscopy of key transitions of H2O and OH in a sample of 9 bright (U)LIRGs where submillimeter H2O lines have been detected with SPIRE, as well as key diagnostic lines of NH3 and OH+ to ascertain the formation mechanism and implied physical processes. The proposed observations will serve as a crucial benchmark for future routine observations of H2O with ALMA in the distant Universe.
Publication Hidden or missing outflows in highly obscured galaxy nuclei? . Falstad N. et al. . Astronomy & Astrophysics, Volume 623, id.A29, 10 pp. . 623 . 10.1051\/0004-6361\/201834586 . 2019A&A...623A..29F ,
High-lying OH Absorption, [C II] Deficits, and Extreme L FIR-M H2 Ratios in Galaxies . González-Alfonso E. et al. . The Astrophysical Journal, Volume 800, Issue 1, article id. 69, 10 pp. (2015). . 800 . 10.1088\/0004-637X\/800\/1\/69 . 2015ApJ...800...69G ,
Instrument PACS_PacsRangeSpec_point
Temporal Coverage 2011-12-27T13:18:36Z/2012-12-16T12:24:33Z
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/herschel/
Date Published 2013-06-16T12:10:04Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2013-06-16T12:10:04Z, OT2_egonza01_3, SPG v14.2.0. https://doi.org/10.5270/esa-60e6k3l