Spitzer and ISO Galaxy Counts in the Mid-Infrared

Abstract

Galaxy source counts that simultaneously fit the deep mid-infrared surveys at 24 microns and 15 microns made by the Spitzer Space Telescope and the Infrared Space Observatory (ISO) respectively are presented for two phenomenological models. The models are based on starburst and luminous infrared galaxy dominated populations. Both models produce excellent fits to the counts in both wavebands and provide an explanation for the high redshift population seen in the longer Spitzer 24 micron band supporting the hypothesis that they are luminous-ultraluminous infrared galaxies at z=2-3, being the mid-infrared counterparts to the sub-mm galaxy population. The source counts are characterized by strong evolution to redshift unity, followed by less drastic evolution to higher redshift. The number-redshift distributions in both wavebands are well explained by the effect of the many mid-infrared features passing through the observation windows. The sharp upturn at around a milliJansky in the 15 micron counts in particular depends critically on the distribution of mid-infrared features around 12 microns, in the assumed spectral energy distribution.

arXiv comment6 pages, 2 figures, accepted for publication MNRAS

References in corpus (55)

• The Spitzer Space Telescope Mission
• The Infrared Spectrograph on the Spitzer Space Telescope
• Unveiling Dust-enshrouded Star Formation in the Early Universe: a Sub-mm Survey of the Hubble Deep Field
• A Deep Sub-millimeter Survey of Lensing Clusters: A New Window on Galaxy Formation and Evolution
• Interpreting the Cosmic Infrared Background: Constraints on the Evolution of the Dust Enshrouded Star Formation Rate
• SCUBA: A common-user submillimetre camera operating on the James Clerk Maxwell Telescope
• The COBE Diffuse Infrared Background Experiment Search for the Cosmic Infrared Background: I. Limits and Detections
• The PSCz Catalogue
• PAHs as a tracer of star formation?
• A median redshift of 2.4 for galaxies bright at submillimetre wavelengths
• The Bulk of the Cosmic Infrared Background Resolved by ISOCAM
• The SCUBA 8-mJy survey - I: Sub-millimetre maps, sources and number counts
• The 24 Micron Source Counts in Deep Spitzer Surveys
• Modelling the infrared galaxy evolution using a phenomenological approach
• The Extended 12 Micron Galaxy Sample
• The IRAS 1-Jy Survey of Ultraluminous Infrared Galaxies: I. The sample and Luminosity Function
• The profiles of the 3 to 12 $\mu$m PAH features
• PAHs contribution to the infrared output energy of the Universe at z~2
• Deep counts of submillimeter galaxies
• Massive Star Formation in Galaxies: Radiative transfer models of the UV to mm emission of starburst galaxies
• The European Large Area ISO Survey I: Goals, Definition and Observation
• A population of hot, dusty ultra-luminous galaxies at z~2
• The European Large Area ISO Survey (ELAIS): The Final Band-merged Catalogue
• Observations of Ultraluminous Infrared Galaxies with the Infrared Spectrograph on the Spitzer Space Telescope: Early Results on Mrk 1014, Mrk 463, and UGC 5101
• An ISOCAM survey through gravitationally lensing galaxy clusters
• SPITZER Observations of the SCUBA/VLA Sources in the Lockman Hole: Star Formation History of Infrared-Luminous Galaxies
• The Nature of Faint 24 micron Sources Seen in Spitzer Observations of ELAIS-N1
• The European Large Area ISO Survey II: mid-infrared extragalactic source counts
• Models for Multiband IR Surveys
• New Method for ISOCAM Data Reduction - II. Mid-Infrared Extragalactic Source Counts in the Southern ELAIS Field
• ISOCAM view of the starburst galaxies M82, NGC253, and NGC1808
• Mid-infrared spectral evidence for a luminous dust enshrouded source in Arp220
• Accurate Spectral energy distributions and selection effects for high-redshift dusty galaxies: a new hot population to discover with the Spitzer Space Telescope?
• Extragalactic Source Counts at 24 Microns in the Spitzer First Look Survey
• Identification of luminous infrared galaxies at 1<z<2.5
• Infrared spectroscopy of faint 15 micron sources in the Hubble Deep Field South: first hints at the properties of the sources of the IR background
• Models for Evolution of Dusty Galaxies and E/S0s Seen in Multiband Surveys
• Infrared Properties of Radio-Selected Submillimeter Galaxies in the Spitzer First Look Survey Verification Field
• Observations of the Hubble Deep Field South with the Infrared Space Observatory - I. Observations, data reduction and mid-infrared source counts
• The Mid-Infrared Color-Luminosity Relation and the Local 12 micron Luminosity Function
• Observations of the Hubble Deep Field with the Infrared Space Observatory. IV. Association of sources with Hubble Deep Field Galaxies
• Characterization of Extragalactic 24micron Sources in the Spitzer First Look Survey
• Evolutionary Constraints from Infra-Red Source Counts
• Imaging of High Redshift Submillimeter Galaxies at 16 and 22microns with the Spitzer/IRS: Revealing a population at z>2.5
• The Evolution of type 1 AGN in the IR (15mu). The view from ELAIS-S1
• ISOCAM observations in the Lockman Hole - II The 14.3 micron deep survey: data reduction, catalogue and source counts
• Near and mid-infrared colours of star-forming galaxies in ELAIS fields
• Extragalactic Source Counts in the Spitzer 24-micron Band: What Do We Expect From ISOCAM 15-micron Data and Models?
• Final Analysis of ELAIS 15 $\mu$m Observations : Method, Reduction and Catalogue
• On the nature of the ISO-selected sources in the ELAIS S2 region
• Fitting optical source counts with an infrared-defined model: insights into galaxy evolution
• ASTRO-F - Super IRAS - The All Sky Infra-Red Survey
• Silicate-break galaxies: an efficient selection method of distant ultraluminous infrared galaxies
• ISOCAM observations in the Lockman Hole - I The 14.3 micron shallow survey: data reduction, catalogue, and optical identifications
• ASTRO-F - The next generation of mid-infrared surveys

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• The 12um ISO-ESO-Sculptor and 24um Spitzer faint counts reveal a population of ULIRG/AGN/dusty massive ellipticals Evolution by types and cosmic star formation
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• The AGN fraction of submm-selected galaxies and contributions to the submm/mm-wave extragalactic background light
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• Identifying silicate-absorbed ULIRGs at z~1-2 in the Bootes Field using Spitzer/IRS
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• Galaxy Colours in the AKARI Deep SEP Survey
• Astrophysics in 2005
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• Detection of CFIRB with AKARI/FIS Deep Observations
• The Herschel-SPIRE Dark Field I: The deepest Herschel image of the submillimetre Universe