The nature of sub-millimeter and highly star-forming galaxies in the EAGLE simulation

Abstract

We exploit EAGLE, a cosmological hydrodynamical simulation, to reproduce the selection of the observed sub-millimeter (submm) galaxy population by selecting the model galaxies at $z\ge 1$ with mock submm fluxes $S_{850}\ge 1$ mJy. There is a reasonable agreement between the galaxies within this sample and the properties of the observed submm population, such as their star formation rates (SFRs) at $z<3$, redshift distribution and many integrated galaxy properties. We find that the bulk of the $S_{850}\ge 1$ mJy model population is at $z=2.5$, and that they are massive galaxies ($M_{\ast }\sim 10^{11}$ Msol) with high dust masses ($M_{\mathrm{dust}}\sim 10^8$ Msol), gas fractions ($f_{\mathrm{gas}}\approx 50$%) and SFRs (${\dot{M}}_{\ast }\approx 100$ Msol/yr). They have major and minor merger fractions similar to the general population, suggesting that mergers are not the primary driver of the model submm galaxies. Instead, the $S_{850}\ge 1$ mJy model galaxies yield high SFRs primarily because they maintain a significant gas reservoir as a result of hosting an undermassive black hole. In addition, we find that not all highly star-forming EAGLE galaxies have submm fluxes $S_{850}>1$ mJy. Thus, we investigate the nature of $z\ge 1$ highly star-forming Submm-Faint galaxies (i.e., ${\dot{M}}_{\ast }\ge 80$ Msol/yr but $S_{850}<1$ mJy). We find they are similar to the model submm galaxies; being gas rich and hosting undermassive black holes, however they are typically lower mass ($M_{\ast }\sim 10^{10}$ Msol) and are at higher redshifts ($z>4$). These typically higher-$z$ galaxies show stronger evidence for having been triggered by major mergers, and critically, they are likely missed by current submm surveys due to their higher dust temperatures. This suggests a potentially even larger contribution to the SFR density at $z>3$ from dust-obscured systems than implied by current observations.

arXiv comment15 pages, 9 figures, submitted to MNRAS

References in corpus (81)

• Galactic Stellar and Substellar Initial Mass Function
• Cosmic Star Formation History
• The EAGLE project: Simulating the evolution and assembly of galaxies and their environments
• Populating a cluster of galaxies - I. Results at z=0
• Modeling feedback from stars and black holes in galaxy mergers
• Planck 2013 results. I. Overview of products and scientific results
• Gasdynamics and Starbursts in Major Mergers
• The EAGLE simulations of galaxy formation: calibration of subgrid physics and model variations
• A Redshift Survey of the Submillimeter Galaxy Population
• Substructures in hydrodynamical cluster simulations
• The effect of photo-ionization on the cooling rates of enriched, astrophysical plasmas
• Dusty Star-Forming Galaxies at High Redshift
• The merger rate of galaxies in the Illustris Simulation: a comparison with observations and semi-empirical models
• Submillimeter Galaxies at z~2: Evidence for Major Mergers & Constraints on Lifetimes, IMF and CO-H2 Conversion Factor
• Chemical enrichment in cosmological, smoothed particle hydrodynamics simulations
• On the relation between the Schmidt and Kennicutt-Schmidt star formation laws and its implications for numerical simulations
• Simulating galactic outflows with thermal supernova feedback
• The EAGLE simulations of galaxy formation: public release of halo and galaxy catalogues
• A survey of molecular gas in luminous sub-millimetre galaxies
• An ALMA survey of Sub-millimeter Galaxies in the Extended Chandra Deep Field South: Physical properties derived from ultraviolet-to-radio modelling
• The Herschel PEP/HerMES Luminosity Function. I: Probing the Evolution of PACS selected Galaxies to z~4
• Evolution of galaxy stellar masses and star formation rates in the EAGLE simulations
• A deep ALMA image of the Hubble Ultra Deep Field
• Baryon effects on the internal structure of LCDM halos in the EAGLE simulations
• Evolution of the dusty infrared luminosity function from z=0 to z=2.3 using observations from Spitzer
• An ALMA Survey of Submillimetre Galaxies in the Extended Chandra Deep Field South: The Far-Infrared Properties of SMGs
• An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: The Redshift Distribution and Evolution of Submillimeter Galaxies
• The Canada-UK Deep Sub-Millimeter Survey II: First identifications, redshifts and implications for galaxy evolution
• An ALMA survey of submillimeter galaxies in the Extended Chandra Deep Field South: Source catalog and multiplicity
• The SCUBA HAlf Degree Extragalactic Survey (SHADES) - III. Identification of radio and mid-infrared counterparts to submillimetre galaxies
• Efficient 3D NLTE dust radiative transfer with SKIRT
• SKIRT: an Advanced Dust Radiative Transfer Code with a User-Friendly Architecture
• The Herschel Reference Survey
• An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field South: High resolution 870um source counts
• Stellar Masses and SFRs for 1M Galaxies from SDSS and WISE
• Colours and luminosities of z=0.1 simulated galaxies in the EAGLE simulations
• The Rest-frame Optical Spectra of SCUBA Galaxies
• Size evolution of normal and compact galaxies in the EAGLE simulation
• Dust temperature and mid-to-total infrared color distributions for star-forming galaxies at 0<z<4
• Submillimetre galaxies in a hierarchical universe: number counts, redshift distribution, and implications for the IMF
• Optical colours and spectral indices of $z=0.1$ EAGLE galaxies with 3D dust radiative transfer code SKIRT
• The LABOCA Survey of the Extended Chandra Deep Field South: Clustering of submillimetre galaxies
• Weighing the Black Holes in z~2 Submillimeter-Emitting Galaxies Hosting Active Galactic Nuclei
• A chronicle of galaxy mass assembly in the EAGLE simulation
• The SCUBA-2 Cosmology Legacy Survey: ALMA resolves the bright-end of the sub-millimeter number counts
• GOODS-Herschel: Impact of Active Galactic Nuclei and Star Formation Activity on Infrared Spectral Energy Distributions at High Redshift
• A Redshift Survey of Herschel Far-Infrared Selected Starbursts and Implications for Obscured Star Formation
• The rapid assembly of an elliptical galaxy of 400 billion solar masses at a redshift of 2.3
• The role of star-formation and AGN in dust heating of z = 0.3-2.8 galaxies - I. Evolution with redshift and luminosity
• A population of hot, dusty ultra-luminous galaxies at z~2
• An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: Near-infrared morphologies and stellar sizes
• The distribution of neutral hydrogen around high-redshift galaxies and quasars in the EAGLE simulation
• An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field South: Spectroscopic redshifts
• ALMA Census of Faint 1.2 mm Sources Down to ~0.02 mJy: Extragalactic Background Light and Dust-Poor High-z Galaxies
• The distribution of atomic hydrogen in EAGLE galaxies: morphologies, profiles, and HI holes
• GOODS-Herschel: radio-excess signature of hidden AGN activity in distant star-forming galaxies
• Far-infrared and dust properties of present-day galaxies in the EAGLE simulations
• Supermassive black holes in the EAGLE Universe. Revealing the observables of their growth
• The origin of scatter in the star formation rate - stellar mass relation
• The Properties of Sub-mm Galaxies in Hierarchical Models
• Alma Twenty-six Arcmin^2 Survey Of Goods-s At One-millimeter (asagao): Source Catalog And Number Counts
• The link between galaxy and black hole growth in the EAGLE simulation
• The Nature of Sub-millimetre Galaxies in Cosmological Hydrodynamic Simulations
• An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: number counts of submillimeter galaxies
• Simulated observations of sub-millimetre galaxies: the impact of single-dish resolution and field variance
• The evolving far-IR galaxy luminosity function and dust-obscured star-formation rate density out to z~5
• The rapid growth phase of supermassive black holes
• Integral Field Spectroscopy of 2.0<z<2.7 Sub-mm Galaxies; gas morphologies and kinematics
• Faint End of 1.3 mm Number Counts Revealed by ALMA
• Confirming a Population of Hot-Dust Dominated, Star Forming Ultraluminous Galaxies at High-Redshift
• Data release of UV to submm broadband fluxes for simulated galaxies from the EAGLE project
• A Submillimeter Perspective on the GOODS Fields (SUPER GOODS). III. A Large Sample of ALMA Sources in the GOODS-S
• Accurate Spectral energy distributions and selection effects for high-redshift dusty galaxies: a new hot population to discover with the Spitzer Space Telescope?
• The role of submillimetre galaxies in hierarchical galaxy formation
• GOODS-ALMA: 1.1 mm galaxy survey - I. Source catalogue and optically dark galaxies
• Recycled stellar ejecta as fuel for star formation and implications for the origin of the galaxy mass-metallicity relation
• Faint Submillimeter Galaxies identified through their optical/near-infrared colours I: spatial clustering and halo masses
• The Hawaii SCUBA-2 Lensing Cluster Survey: Number Counts and Submillimeter Flux Ratios
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• An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Identifying candidate z~4.5 [CII] emitters
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