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Ian Smail's Outputs (26)

From peculiar morphologies to Hubble-type spirals: the relation between galaxy dynamics and morphology in star-forming galaxies at z ∼ 1.5 (2019)
Journal Article
Gillman, S., Tiley, A., Swinbank, A., Harrison, C., Smail, I., Dudzevičiūtė, U., Sharples, R., Cortese, L., Obreschkow, D., Bower, R., Theuns, T., Cirasuolo, M., Fisher, D., Glazebrook, K., Ibar, E., Mendel, J., & Sweet, S. (2020). From peculiar morphologies to Hubble-type spirals: the relation between galaxy dynamics and morphology in star-forming galaxies at z ∼ 1.5. Monthly Notices of the Royal Astronomical Society, 492(1), 1492-1512. https://doi.org/10.1093/mnras/stz3576

We present an analysis of the gas dynamics of star–forming galaxies at z ∼ 1.5 using data from the KMOS Galaxy Evolution Survey (KGES). We quantify the morphology of the galaxies using HSTCANDELS imaging parametrically and non-parametrically. We comb... Read More about From peculiar morphologies to Hubble-type spirals: the relation between galaxy dynamics and morphology in star-forming galaxies at z ∼ 1.5.

Multi-wavelength Properties of Radio- and Machine-learning-identified Counterparts to Submillimeter Sources in S2COSMOS (2019)
Journal Article
Xia An, F., Simpson, J., Smail, I., Swinbank, A., Ma, C., Liu, D., Lang, P., Schinnerer, E., Karim, A., Magnelli, B., Leslie, S., Bertoldi, F., Chen, C.-C., Geach, J., Matsuda, Y., Stach, S., Wardlow, J., Gullberg, B., Ivison, R., Ao, Y., …Smith, D. (2019). Multi-wavelength Properties of Radio- and Machine-learning-identified Counterparts to Submillimeter Sources in S2COSMOS. Astrophysical Journal, 886(1), Article 48. https://doi.org/10.3847/1538-4357/ab4d53

We identify multi-wavelength counterparts to 1147 submillimeter sources from the S2COSMOS SCUBA-2 survey of the COSMOS field by employing a recently developed radio+machine-learning method trained on a large sample of Atacama Large Millimeter/submill... Read More about Multi-wavelength Properties of Radio- and Machine-learning-identified Counterparts to Submillimeter Sources in S2COSMOS.

An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: High-resolution dust continuum morphologies and the link between sub-millimetre galaxies and spheroid formation (2019)
Journal Article
Gullberg, B., Smail, I., Swinbank, A., Dudzevičiūtė, U., Stach, S., Thomson, A., Almaini, O., Chen, C., Conselice, C., Cooke, E., Farrah, D., Ivison, R., Maltby, D., Michałowski, M., Simpson, J., Scott, D., Wardlow, J., & Weiss, A. (2019). An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: High-resolution dust continuum morphologies and the link between sub-millimetre galaxies and spheroid formation. Monthly Notices of the Royal Astronomical Society, 490(4), 4956-4974. https://doi.org/10.1093/mnras/stz2835

We present an analysis of the morphology and profiles of the dust continuum emission in 153 bright sub-millimetre galaxies (SMGs) detected with ALMA at signal to noise ratios of >8 in high-resolution 0′′.18 (∼1 kpc) 870 μm maps. We measure sizes, sha... Read More about An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: High-resolution dust continuum morphologies and the link between sub-millimetre galaxies and spheroid formation.

The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5 (2019)
Journal Article
Fossati, M., Fumagalli, M., Lofthouse, E., D’Odorico, V., Lusso, E., Cantalupo, S., Cooke, R., Cristiani, S., Haardt, F., Morris, S., Peroux, C., Prichard, L., Rafelski, M., Smail, I., & Theuns, T. (2019). The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5. Monthly Notices of the Royal Astronomical Society, 490(1), 1451-1469. https://doi.org/10.1093/mnras/stz2693

We present the goals, design, and first results of the MUSE Ultra Deep Field (MUDF) survey, a large programme using the Multi Unit Spectroscopic Explorer (MUSE) instrument at the ESO Very Large Telescope. The MUDF survey is collecting ≈150 h on-sourc... Read More about The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5.

Gas filaments of the cosmic web located around active galaxies in a protocluster (2019)
Journal Article
Umehata, H., Fumagalli, M., Smail, I., Matsuda, Y., Swinbank, A., Cantalupo, S., Sykes, C., Ivison, R., Steidel, C., Shapley, A., Vernet, J., Yamada, T., Tamura, Y., Kubo, M., Nakanishi, K., Kajisawa, M., Hatsukade, B., & Kohno, K. (2019). Gas filaments of the cosmic web located around active galaxies in a protocluster. Science, 366(6461), 97-100. https://doi.org/10.1126/science.aaw5949

Cosmological simulations predict the Universe contains a network of intergalactic gas filaments, within which galaxies form and evolve. However, the faintness of any emission from these filaments has limited tests of this prediction. We report the de... Read More about Gas filaments of the cosmic web located around active galaxies in a protocluster.

Radio Spectra and Sizes of Atacama Large Millimeter/submillimeter Array-identified Submillimeter Galaxies: Evidence of Age-related Spectral Curvature and Cosmic-Ray Diffusion? (2019)
Journal Article
Thomson, A., Smail, I., Swinbank, A., Simpson, J., Arumugam, V., Stach, S., Murphy, E., Rujopakarn, W., Almaini, O., An, F., Blain, A., Chen, C., Cooke, E., Dudzevičiūtė, U., Edge, A., Farrah, D., Gullberg, B., Hartley, W., Ibar, E., Maltby, D., …Wardlow, J. (2019). Radio Spectra and Sizes of Atacama Large Millimeter/submillimeter Array-identified Submillimeter Galaxies: Evidence of Age-related Spectral Curvature and Cosmic-Ray Diffusion?. Astrophysical Journal, 883(2), Article 204. https://doi.org/10.3847/1538-4357/ab32e7

We analyze the multifrequency radio spectral properties of 41 6 GHz-detected Atacama Large Millimeter/submillimeter Array (ALMA)-identified, submillimeter galaxies (SMGs), observed at 610 MHz, 1.4 GHz, and 6 GHz with the Giant Metrewave Radio Telesco... Read More about Radio Spectra and Sizes of Atacama Large Millimeter/submillimeter Array-identified Submillimeter Galaxies: Evidence of Age-related Spectral Curvature and Cosmic-Ray Diffusion?.

SILVERRUSH. VIII. Spectroscopic Identifications of Early Large-scale Structures with Protoclusters over 200 Mpc at z ∼ 6–7: Strong Associations of Dusty Star-forming Galaxies (2019)
Journal Article
Harikane, Y., Ouchi, M., Ono, Y., Fujimoto, S., Donevski, D., Shibuya, T., Faisst, A. L., Goto, T., Hatsukade, B., Kashikawa, N., Kohno, K., Hashimoto, T., Higuchi, R., Inoue, A. K., Lin, Y.-T., Martin, C. L., Overzier, R., Smail, I., Toshikawa, J., Umehata, H., …Wang, W.-H. (2019). SILVERRUSH. VIII. Spectroscopic Identifications of Early Large-scale Structures with Protoclusters over 200 Mpc at z ∼ 6–7: Strong Associations of Dusty Star-forming Galaxies. Astrophysical Journal, 883(2), Article 142. https://doi.org/10.3847/1538-4357/ab2cd5

We have obtained three-dimensional maps of the universe in ~200 × 200 × 80 comoving Mpc3 (cMpc3) volumes each at z = 5.7 and 6.6 based on a spectroscopic sample of 179 galaxies that achieves gsim80% completeness down to the Lyα luminosity of $\mathrm... Read More about SILVERRUSH. VIII. Spectroscopic Identifications of Early Large-scale Structures with Protoclusters over 200 Mpc at z ∼ 6–7: Strong Associations of Dusty Star-forming Galaxies.

ALMACAL VI: Molecular gas mass density across cosmic time via a blind search for intervening molecular absorbers (2019)
Journal Article
Klitsch, A., Péroux, C., Zwaan, M. A., Smail, I., Nelson, D., Popping, G., Chen, C.-C., Diemer, B., Ivison, R., Allison, J. R., Muller, S., Swinbank, A. M., Hamanowicz, A., Biggs, A. D., & Dutta, R. (2019). ALMACAL VI: Molecular gas mass density across cosmic time via a blind search for intervening molecular absorbers. Monthly Notices of the Royal Astronomical Society, 490(1), 1220-1230. https://doi.org/10.1093/mnras/stz2660

We are just starting to understand the physical processes driving the dramatic change in cosmic star-formation rate between z ∼ 2 and the present day. A quantity directly linked to star formation is the molecular gas density, which should be measured... Read More about ALMACAL VI: Molecular gas mass density across cosmic time via a blind search for intervening molecular absorbers.

The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: Evolution of the Molecular Gas in CO-selected Galaxies (2019)
Journal Article
Aravena, M., Decarli, R., Gónzalez-López, J., Boogaard, L., Walter, F., Carilli, C., Popping, G., Weiss, A., Assef, R. J., Bacon, R., Bauer, F. E., Bertoldi, F., Bouwens, R., Contini, T., Cortes, P. C., Cox, P., da Cunha, E., Daddi, E., Díaz-Santos, T., Elbaz, D., …Wisotzki, L. (2019). The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: Evolution of the Molecular Gas in CO-selected Galaxies. Astrophysical Journal, 882(2), https://doi.org/10.3847/1538-4357/ab30df

We analyze the interstellar medium properties of a sample of 16 bright CO line emitting galaxies identified in the ALMA Spectroscopic Survey in the Hubble Ultra Deep Field (ASPECS) Large Program. This CO−selected galaxy sample is complemented by two... Read More about The ALMA Spectroscopic Survey in the Hubble Ultra Deep Field: Evolution of the Molecular Gas in CO-selected Galaxies.

The Atacama Large Millimeter/submillimeter Array Spectroscopic Survey in the Hubble Ultra Deep Field: CO Emission Lines and 3 mm Continuum Sources (2019)
Journal Article
González-López, J., Decarli, R., Pavesi, R., Walter, F., Aravena, M., Carilli, C., Boogaard, L., Popping, G., Weiss, A., Assef, R. J., Bauer, F. E., Bertoldi, F., Bouwens, R., Contini, T., Cortes, P. C., Cox, P., da Cunha, E., Daddi, E., Díaz-Santos, T., Inami, H., …van der Werf, P. (2019). The Atacama Large Millimeter/submillimeter Array Spectroscopic Survey in the Hubble Ultra Deep Field: CO Emission Lines and 3 mm Continuum Sources. Astrophysical Journal, 882(2), https://doi.org/10.3847/1538-4357/ab3105

The Atacama Large Millimeter/submillimeter Array (ALMA) SPECtroscopic Survey in the Hubble Ultra Deep Field (HUDF) is an ALMA large program that obtained a frequency scan in the 3 mm band to detect emission lines from the molecular gas in distant gal... Read More about The Atacama Large Millimeter/submillimeter Array Spectroscopic Survey in the Hubble Ultra Deep Field: CO Emission Lines and 3 mm Continuum Sources.

The ALMA Spectroscopic Survey in the HUDF: Nature and Physical Properties of Gas-mass Selected Galaxies Using MUSE Spectroscopy (2019)
Journal Article
Boogaard, L. A., Decarli, R., González-López, J., van der Werf, P., Walter, F., Bouwens, R., Aravena, M., Carilli, C., Bauer, F. E., Brinchmann, J., Contini, T., Cox, P., da Cunha, E., Daddi, E., Díaz-Santos, T., Hodge, J., Inami, H., Ivison, R., Maseda, M., Matthee, J., …Wagg, J. (2019). The ALMA Spectroscopic Survey in the HUDF: Nature and Physical Properties of Gas-mass Selected Galaxies Using MUSE Spectroscopy. Astrophysical Journal, 882(2), https://doi.org/10.3847/1538-4357/ab3102

We discuss the nature and physical properties of gas-mass selected galaxies in the ALMA spectroscopic survey (ASPECS) of the Hubble Ultra Deep Field (HUDF). We capitalize on the deep optical integral-field spectroscopy from the Multi Unit Spectroscop... Read More about The ALMA Spectroscopic Survey in the HUDF: Nature and Physical Properties of Gas-mass Selected Galaxies Using MUSE Spectroscopy.

The ALMA Spectroscopic Survey in the HUDF: CO Luminosity Functions and the Molecular Gas Content of Galaxies through Cosmic History (2019)
Journal Article
Decarli, R., Walter, F., Gónzalez-López, J., Aravena, M., Boogaard, L., Carilli, C., Cox, P., Daddi, E., Popping, G., Riechers, D., Uzgil, B., Weiss, A., Assef, R. J., Bacon, R., Bauer, F. E., Bertoldi, F., Bouwens, R., Contini, T., Cortes, P. C., Cunha, E. D., …Wisotzki, L. (2019). The ALMA Spectroscopic Survey in the HUDF: CO Luminosity Functions and the Molecular Gas Content of Galaxies through Cosmic History. Astrophysical Journal, 882(2), https://doi.org/10.3847/1538-4357/ab30fe

We use the results from the ALMA large program ASPECS, the spectroscopic survey in the Hubble Ultra Deep Field (HUDF), to constrain CO luminosity functions of galaxies and the resulting redshift evolution of ρ(H2). The broad frequency range covered e... Read More about The ALMA Spectroscopic Survey in the HUDF: CO Luminosity Functions and the Molecular Gas Content of Galaxies through Cosmic History.

A machine-learning approach for identifying the counterparts of submillimetre galaxies and applications to the GOODS-North field (2019)
Journal Article
Liu, R. H., Hill, R., Scott, D., Almaini, O., An, F., Gubbels, C., Hsu, L.-T., Lin, L., Smail, I., & Stach, S. (2019). A machine-learning approach for identifying the counterparts of submillimetre galaxies and applications to the GOODS-North field. Monthly Notices of the Royal Astronomical Society, 489(2), 1770-1786. https://doi.org/10.1093/mnras/stz2228

Identifying the counterparts of submillimetre (submm) galaxies (SMGs) in multiwavelength images is a critical step towards building accurate models of the evolution of strongly star-forming galaxies in the early Universe. However, obtaining a statist... Read More about A machine-learning approach for identifying the counterparts of submillimetre galaxies and applications to the GOODS-North field.

The East Asian Observatory SCUBA-2 Survey of the COSMOS Field: Unveiling 1147 Bright Sub-millimeter Sources across 2.6 Square Degrees (2019)
Journal Article
Simpson, J., Smail, I., Swinbank, A., Chapman, S., Chen, C.-C., Geach, J., Matsuda, Y., Wang, R., Wang, W.-H., Yang, Y., Ao, Y., Asquith, R., Bourne, N., Coogan, R., Coppin, K., Gullberg, B., Hine, N., Ho, L., Hwang, H., Ivison, R., …Wardlow, J. (2019). The East Asian Observatory SCUBA-2 Survey of the COSMOS Field: Unveiling 1147 Bright Sub-millimeter Sources across 2.6 Square Degrees. Astrophysical Journal, 880(1), Article 43. https://doi.org/10.3847/1538-4357/ab23ff

We present sensitive 850 μm imaging of the Cosmological Evolution Survey (COSMOS) field using 640 hr of new and archival observations taken with SCUBA-2 at the East Asian Observatory's James Clerk Maxwell Telescope. The SCUBA-2 COSMOS survey (S2COSMO... Read More about The East Asian Observatory SCUBA-2 Survey of the COSMOS Field: Unveiling 1147 Bright Sub-millimeter Sources across 2.6 Square Degrees.

Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2 (2019)
Journal Article
Lang, P., Schinnerer, E., Smail, I., Dudzevičiūtė, U., Swinbank, A., Liu, D., Leslie, S., Almaini, O., An, F. X., Bertoldi, F., Blain, A., Chapman, S., Chen, C.-C., Conselice, C., Cooke, E., Coppin, K., Dunlop, J., Farrah, D., Fudamoto, Y., Geach, J., …Werf, P. V. D. (2019). Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2. Astrophysical Journal, 879(1), Article 54. https://doi.org/10.3847/1538-4357/ab1f77

We combine high-resolution ALMA and HST/CANDELS observations of 20 submillimeter galaxies (SMGs), predominantly from the AS2UDS survey at z sime 2, with bright rest-frame optical counterparts (${K}_{{\rm{s}}}\lesssim 22.9$) to investigate the resolve... Read More about Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2.

Two sub-millimetre bright protoclusters bounding the epoch of peak star-formation activity (2019)
Journal Article
Lacaille, K. M., Chapman, S. C., Smail, I., Steidel, C., Blain, A., Geach, J., Golob, A., Gurwell, M., Ivison, R., Reddy, N., & Sawicki, M. (2019). Two sub-millimetre bright protoclusters bounding the epoch of peak star-formation activity. Monthly Notices of the Royal Astronomical Society, 488(2), 1790-1812. https://doi.org/10.1093/mnras/stz1742

We present James Clerk Maxwell Telescope Submillimetre Common-User Bolometer Array 2 (SCUBA-2) 850 & 450 μm observations (σ850 ∼ 0.5 mJy, σ450 ∼ 5 mJy) of the HS1549+19 and HS1700+64 survey fields containing two of the largest known galaxy over-densi... Read More about Two sub-millimetre bright protoclusters bounding the epoch of peak star-formation activity.

The nature of sub-millimeter and highly star-forming galaxies in the eagle simulation (2019)
Journal Article
McAlpine, S., Smail, I., Bower, R. G., Swinbank, A., Trayford, J. W., Theuns, T., Baes, M., Camps, P., Crain, R. A., & Schaye, J. (2019). The nature of sub-millimeter and highly star-forming galaxies in the eagle simulation. Monthly Notices of the Royal Astronomical Society, 488(2), 2440-2454. https://doi.org/10.1093/mnras/stz1692

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 ≥ 1 with mock submm fluxes S850µm ≥ 1 mJy. We find a reasonable agree... Read More about The nature of sub-millimeter and highly star-forming galaxies in the eagle simulation.

The kiloparsec-scale gas kinematics in two star-forming galaxies at z ∼ 1.47 seen with ALMA and VLT-SINFONI (2019)
Journal Article
Molina, J., Ibar, E., Smail, I., Swinbank, A., Villard, E., Escala, A., Sobral, D., & Hughes, T. (2019). The kiloparsec-scale gas kinematics in two star-forming galaxies at z ∼ 1.47 seen with ALMA and VLT-SINFONI. Monthly Notices of the Royal Astronomical Society, 487(4), 4856-4869. https://doi.org/10.1093/mnras/stz1643

We present Atacama Large Millimeter/submillimeter Array (ALMA) CO(J = 2 − 1) observations of two main-sequence star-forming galaxies at z ∼ 1.47 taken from the High-Z Emission Line Survey (HiZELS). These two systems have been previously reported to b... Read More about The kiloparsec-scale gas kinematics in two star-forming galaxies at z ∼ 1.47 seen with ALMA and VLT-SINFONI.

An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Source catalogue and properties (2019)
Journal Article
Stach, S. M., Dudzevičiūtė, U., Smail, I., Swinbank, A., Geach, J., Simpson, J., An, F. X., Almaini, O., Arumugam, V., Blain, A., Chapman, S., Chen, C.-C., Conselice, C., Cooke, E., Coppin, K., da Cunha, E., Dunlop, J., Farrah, D., Gullberg, B., Hodge, J., …Werf, P. V. D. (2019). An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Source catalogue and properties. Monthly Notices of the Royal Astronomical Society, 487(4), 4648-4668. https://doi.org/10.1093/mnras/stz1536

We present the catalogue and basic properties of sources in AS2UDS, an 870-μm continuum survey with the Atacama Large Millimetre/sub-millimetre Array (ALMA) of 716 single-dish sub-millimetre sources detected in the UKIDSS/UDS field by the SCUBA-2 Cos... Read More about An ALMA survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS field: Source catalogue and properties.

ALMA Reveals Potential Evidence for Spiral Arms, Bars, and Rings in High-redshift Submillimeter Galaxies (2019)
Journal Article
Hodge, J., Smail, I., Walter, F., Cunha, E. D., Swinbank, A., Rybak, M., Venemans, B., Brandt, W., Rivera, G. C., Chapman, S., Chen, C.-C., Cox, P., Dannerbauer, H., Decarli, R., Greve, T., Knudsen, K., Menten, K., Schinnerer, E., Simpson, J., Werf, P. V. D., …Weiss, A. (2019). ALMA Reveals Potential Evidence for Spiral Arms, Bars, and Rings in High-redshift Submillimeter Galaxies. Astrophysical Journal, 876(2), Article 130. https://doi.org/10.3847/1538-4357/ab1846

We present subkiloparsec-scale mapping of the 870 μm ALMA continuum emission in six luminous (L IR ~ 5 × 1012 L ⊙) submillimeter galaxies (SMGs) from the ALESS survey of the Extended Chandra Deep Field South. Our high-fidelity 0farcs07-resolution ima... Read More about ALMA Reveals Potential Evidence for Spiral Arms, Bars, and Rings in High-redshift Submillimeter Galaxies.