A dataset provided by the European Space Agency

Name OT2_drigopou_3
Title Herschel Spectroscopic Survey of Far-Infrared Fine Structure Lines in intermediate redshift Ultraluminous Infrared Galaxies
URL

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DOI 10.5270/esa-r041x0l
Author rigopoulou, d.
Description Herschel has provided unprecedented insight into the properties of the ISM of local Ultraluminous Infrared Galaxies (ULIRGs) and high redshift submillimetre bright galaxies. Although matched in luminosity the ISM properties of the two samples are markedly different. We propose to exploit the wide wavelength coverage of SPIRE-FTS to study far-infrared fine structure cooling lines from a unique sample of 23 intermediate redshift ULIRGs. Our targets span the redshift range 0.2 < z < 0.8 and luminosity range 12 < log L(IR) < 13 and have been selected from the Herschel Multi-tiered Extragalactic Survey (HerMES) with excellent ancillary data. The redshift range has been chosen so that we can simultaneously detect key cooling lines [CII] 158 microns, [NII] 205 microns and [CI] 371 microns in all of our targets. Our sample is suitably selected to link the properties of the ISM near and far: it is at these intermediate redshifts where the change in the properties of the ISM takes place. Using the proposed observations we will: 1) investigate the properties of the ISM of ULIRGs at a redshift where they contribute dominantly to the total IR energy density; 2) search for changes in the ISM as a function of luminosity and redshift; 3) explore metallicities (through [CII]-[NII] ratio) and investigate the validity of [NII] as a star formation indicator; 4) address the effect of the AGN in the surrounding ISM. To complete our goals we request observations for a sample of 23 ULIRGs. Herschel is currently the only facility capable of addressing these important questions.
Publication Stacked Average Far-infrared Spectrum of Dusty Star-forming Galaxies from the Herschel-SPIRE Fourier Transform Spectrometer . Wilson Derek et al. . The Astrophysical Journal, Volume 848, Issue 1, article id. 30, 31 pp. (2017). . 848 . 10.3847\/1538-4357\/aa8cc7 . 2017ApJ...848...30W ,
A Far-infrared Spectroscopic Survey of Intermediate Redshift (Ultra) Luminous Infrared Galaxies . Magdis Georgios E. et al. . The Astrophysical Journal, Volume 796, Issue 1, article id. 63, 18 pp. (2014). . 796 . 10.1088\/0004-637X\/796\/1\/63 . 2014ApJ...796...63M ,
Early Science with the Large Millimeter Telescope: CO and [C II] Emission in the z = 4.3 AzTEC J095942.9+022938 (COSMOS AzTEC-1) . Yun Min S. et al. . Monthly Notices of the Royal Astronomical Society, Volume 454, Issue 4, p.3485-3499 . 454 . 10.1093\/mnras\/stv1963 . 2015MNRAS.454.3485Y ,
Instrument SPIRE_SpireSpectrometer_
Temporal Coverage 2012-03-11T03:41:47Z/2013-01-14T06:10:34Z
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 2013-07-14T02:21:22Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2013-07-14T02:21:22Z, OT2_drigopou_3, SPG v14.1.0. https://doi.org/10.5270/esa-r041x0l