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ISOPHOT 170 μm Serendipity Sky Survey: The First Galaxy Catalogue

Stickel, Manfred and Lemke, Dietrich and Klaas, Ulrich and Hotzel, Stephan and Tóth, L. Viktor and Kessler, Martin F. and Laureijs, Rene and Burgdorf, Martin and Beichman, Chas A. and Rowan-Robinson, Michael and Efstathiou, Andeas and Bogun, Stefan and Richter, Gotthard and Braun, Michael (2001) ISOPHOT 170 μm Serendipity Sky Survey: The First Galaxy Catalogue. In: ISO Surveys of a Dusty Universe. Lecture Notes in Physics. No.548. Springer , Berlin, pp. 251-258. ISBN 978-3-540-67479-5. https://resolver.caltech.edu/CaltechAUTHORS:20200224-091302967

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Abstract

The ISOPHOT Serendipity Survey utilized the slew time between ISO’s pointed observations with strip scanning measurements of the sky in the far-infrared at 170 μm. From the slew data with low (I_(100μm) ≤ 15 MJy/sr) cirrus background, 115 well-observed sources with a high signal-to-noise ratio in all four detector pixels having a galaxy association were extracted. The integral 170 μm fluxes measured from the Serendipity slews have been put on an absolute flux level by using a number of calibrator sources observed with ISOPHOT’s photometric mapping mode. For all but a few galaxies, the 170 μm fluxes are determined for the first time, which represents a significant increase in the number of galaxies with measuredFIR fluxes beyondt he IRAS 100 μm limit. The vast majority of the galaxies are morphologically classified as spirals. The large fraction of sources with a high F_(170μm)/F_(100μm) flux ratio indicates that a very cold (T < 20 K) dust component is present in many galaxies. The typical mass of the coldest dust component is M_(Dust) = 10^(7.5±0.5) M_⊙, a factor 2 – 10 larger than that derived from IRAS fluxes alone. As a consequence, the gas-to-dust ratios are much closer to the canonical value of ≈ 160 for the Milky Way. By relaxing the selection criteria, it is expected that the Serendipity survey will eventually lead to a catalogue of 170 μm fluxes for ≈ 1000 galaxies.


Item Type:Book Section
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https://doi.org/10.1007/3-540-45553-1_32DOIArticle
https://rdcu.be/b17sUPublisherFree ReadCube access
ORCID:
AuthorORCID
Beichman, Chas A.0000-0002-5627-5471
Additional Information:© 2000 Springer-Verlag Berlin Heidelberg. First Online: 19 February 2001. Based on observations with ISO, an ESA project with instruments funded by ESA Member States (especially the PI countries: France, Germany, the Netherlands and the United Kingdom) and with the participation of ISAS and NASA. The ISOPHOT project was funded by the Deutsche Agentur für Raumfahrtangelegenheiten (DARA, now DLR), the Max-Planck-Gesellschaft, the Danish, British and Spanish Space Agencies and several European and American institutes. Members of the Consortium on the ISOPHOT Serendipity Survey (CISS) are MPIA Heidelberg, ESA ISO SOC Villafranca, AIP Potsdam, IPAC Pasadena, Imperial College London. This research has made use of the Digitized Sky Survey, produced at the Space Telescope Science Institute, NASA’s Astrophysics Data System Abstract Service, the Simbad Database, operated at CDS, Strasbourg, France, and the NASA/IPAC Extragalactic Database (NED) which is operated by the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.
Group:Infrared Processing and Analysis Center (IPAC)
Funders:
Funding AgencyGrant Number
ESA Member StatesUNSPECIFIED
NASA/JPL/CaltechUNSPECIFIED
Subject Keywords:Galactic Plane; Detector Pixel; Dust Masse; Dust Component; Infrared Space Observatory
Series Name:Lecture Notes in Physics
Issue or Number:548
Record Number:CaltechAUTHORS:20200224-091302967
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200224-091302967
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101487
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:24 Feb 2020 17:23
Last Modified:24 Feb 2020 17:23

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