All Outputs (31)

ALESS-JWST: Joint (Sub)kiloparsec JWST and ALMA Imaging of z ~ 3 Submillimeter Galaxies Reveals Heavily Obscured Bulge Formation Events (2025)
Journal Article
Hodge, J. A., Cunha, E. D., Kendrew, S., Li, J., Smail, I., Westoby, B. A., Nayak, O., Swinbank, A. M., Chen, C.-C., Walter, F., Werf, P. V. D., Cracraft, M., Battisti, A., Brandt, W. N., Rivera, G. C., Chapman, S. C., Cox, P., Dannerbauer, H., Decarli, R., Castillo, M. F., …Weiss, A. (2025). ALESS-JWST: Joint (Sub)kiloparsec JWST and ALMA Imaging of z ~ 3 Submillimeter Galaxies Reveals Heavily Obscured Bulge Formation Events. The Astrophysical Journal, 978(2), Article 165. https://doi.org/10.3847/1538-4357/ad9a52

We present JWST NIRCam imaging targeting 13 z ~ 3 infrared-luminous (LIR ∼ 5 × 1012L⊙) galaxies from the ALESS survey with uniquely deep, high-resolution (0 .″ 08–0 .″ 16) Atacama Large Millimeter/submillimeter Array 870 μm imaging. The 2.0–4.4 μm (o... Read More about ALESS-JWST: Joint (Sub)kiloparsec JWST and ALMA Imaging of z ~ 3 Submillimeter Galaxies Reveals Heavily Obscured Bulge Formation Events.

An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field South: an unbiased study of SMG environments measured with narrow-band imaging (2024)
Journal Article
Cornish, T. M., Wardlow, J., Wade, H., Sobral, D., Brandt, W. N., Cox, P., Dannerbauer, H., Decarli, R., Gullberg, B., Knudsen, K., Stott, J., Swinbank, M., Walter, F., & van der Werf, P. (2024). An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field South: an unbiased study of SMG environments measured with narrow-band imaging. Monthly Notices of the Royal Astronomical Society, 533(2), 2399-2419. https://doi.org/10.1093/mnras/stae1868

The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy (2019)
Journal Article
Leung, T. D., Riechers, D. A., Baker, A. J., Clements, D. L., Cooray, A., Hayward, C. C., …Wardlow, J. L. (2019). The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy. Astrophysical Journal, 871(1), Article 85. https://doi.org/10.3847/1538-4357/aaf860

We present CO (J = 1 → 0; 3 → 2; 5 → 4; 10 → 9) and 1.2 kpc resolution [C ii] line observations of the dusty star-forming galaxy (SFG) HXMM05—carried out with the Karl G. Jansky Very Large Array, the Combined Array for Research in Millimeter-wave Ast... Read More about The ISM Properties and Gas Kinematics of a Redshift 3 Massive Dusty Star-forming Galaxy.

SOFIA/HAWC+ Detection of a Gravitationally Lensed Starburst Galaxy at z = 1.03 (2018)
Journal Article
Ma, J., Brown, A., Cooray, A., Nayyeri, H., Messias, H., Timmons, N., Staguhn, J., Temi, P., Dowell, C. D., Wardlow, J., Fadda, D., Kovacs, A., Riechers, D., Oteo, I., Wilson, D., & Perez-Fournon, I. (2018). SOFIA/HAWC+ Detection of a Gravitationally Lensed Starburst Galaxy at z = 1.03. Astrophysical Journal, 864(1), Article 60. https://doi.org/10.3847/1538-4357/aad4a0

We present the detection at 89 μm (observed frame) of the Herschel-selected gravitationally lensed starburst galaxy HATLAS J1429-0028 (also known as G15v2.19) in 15 minutes with the High-resolution Airborne Wideband Camera-plus (HAWC+) onboard the St... Read More about SOFIA/HAWC+ Detection of a Gravitationally Lensed Starburst Galaxy at z = 1.03.

Resolving the ISM at the Peak of Cosmic Star Formation with ALMA: The Distribution of CO and Dust Continuum in z ∼ 2.5 Submillimeter Galaxies (2018)
Journal Article
Rivera, G. C., Hodge, J., Smail, I., Swinbank, A., Weiss, A., Wardlow, J., …Werf, P. V. D. (2018). Resolving the ISM at the Peak of Cosmic Star Formation with ALMA: The Distribution of CO and Dust Continuum in z ∼ 2.5 Submillimeter Galaxies. Astrophysical Journal, 863(1), Article 56. https://doi.org/10.3847/1538-4357/aacffa

We use Atacama Large Millimeter Array (ALMA) observations of four submillimeter galaxies (SMGs) at z ~ 2–3 to investigate the spatially resolved properties of the interstellar medium (ISM) at scales of 1–5 kpc (0farcs1–0farcs6). The velocity fields o... Read More about Resolving the ISM at the Peak of Cosmic Star Formation with ALMA: The Distribution of CO and Dust Continuum in z ∼ 2.5 Submillimeter Galaxies.

Cosmic happenstance: 24-µm selected, multicomponent Herschel sources are line-of-sight projections (2018)
Journal Article
Scudder, J. M., Oliver, S., Hurley, P. D., Wardlow, J. L., Wang, L., & Farrah, D. (2018). Cosmic happenstance: 24-µm selected, multicomponent Herschel sources are line-of-sight projections. Monthly Notices of the Royal Astronomical Society, 480(3), 4124-4137. https://doi.org/10.1093/mnras/sty2009

In this paper, we investigate the physical associations between blended far-infrared (FIR)-emitting galaxies, in order to identify the level of line-of-sight projection contamination in the single-dish Herschel data. Building on previous work, and as... Read More about Cosmic happenstance: 24-µm selected, multicomponent Herschel sources are line-of-sight projections.

A Machine-learning Method for Identifying Multiwavelength Counterparts of Submillimeter Galaxies: Training and Testing Using AS2UDS and ALESS (2018)
Journal Article
An, F. X., Stach, S., Smail, I., Swinbank, A., Almaini, O., Simpson, C., Hartley, W., Maltby, D., Ivison, R., Arumugam, V., Wardlow, J., Cooke, E., Gullberg, B., Thomson, A., Chen, C.-C., Simpson, J., Geach, J., Scott, D., Dunlop, J., Farrah, D., …Coppin, K. (2018). A Machine-learning Method for Identifying Multiwavelength Counterparts of Submillimeter Galaxies: Training and Testing Using AS2UDS and ALESS. Astrophysical Journal, 862(2), Article 101. https://doi.org/10.3847/1538-4357/aacdaa

We describe the application of supervised machine-learning algorithms to identify the likely multiwavelength counterparts to submillimeter sources detected in panoramic, single-dish submillimeter surveys. As a training set, we employ a sample of 695... Read More about A Machine-learning Method for Identifying Multiwavelength Counterparts of Submillimeter Galaxies: Training and Testing Using AS2UDS and ALESS.

Ultra-red Galaxies Signpost Candidate Protoclusters at High Redshift (2018)
Journal Article
Lewis, A., Ivison, R., Best, P., Simpson, J., Weiss, A., Oteo, I., Zhang, Z.-Y., Arumugam, V., Bremer, M., Chapman, S., Clements, D., Dannerbauer, H., Dunne, L., Eales, S., Maddox, S., Oliver, S., Omont, A., Riechers, D., Serjeant, S., Valiante, E., …Zotti, G. D. (2018). Ultra-red Galaxies Signpost Candidate Protoclusters at High Redshift. Astrophysical Journal, 862(2), Article 96. https://doi.org/10.3847/1538-4357/aacc25

We present images obtained with LABOCA of a sample of 22 galaxies selected via their red Herschel SPIRE colors. We aim to see if these luminous, rare, and distant galaxies are signposting dense regions in the early universe. Our 870 μm survey covers... Read More about Ultra-red Galaxies Signpost Candidate Protoclusters at High Redshift.

An ALMA Survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS Field: Identifying Candidate z ∼ 4.5 [C II] Emitters (2018)
Journal Article
Cooke, E., Smail, I., Swinbank, A., Stach, S., An, F. X., Gullberg, B., …Werf, P. V. D. (2018). An ALMA Survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS Field: Identifying Candidate z ∼ 4.5 [C II] Emitters. Astrophysical Journal, 861(2), Article 100. https://doi.org/10.3847/1538-4357/aac6ba

We report the results of a search for serendipitous [C ii] 157.74 μm emitters at z sime 4.4–4.7 using the Atacama Large Millimeter/submillimeter Array (ALMA). The search exploits the AS2UDS continuum survey, which covers ~50 arcmin2 of the sky toward... Read More about An ALMA Survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS Field: Identifying Candidate z ∼ 4.5 [C II] Emitters.

An ALMA Survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS Field: Number Counts of Submillimeter Galaxies (2018)
Journal Article
Stach, S. M., Smail, I., Swinbank, A., Simpson, J., Geach, J., An, F. X., Almaini, O., Arumugam, V., Blain, A., Chapman, S., Chen, C.-C., Conselice, C., Cooke, E., Coppin, K., Dunlop, J., Farrah, D., Gullberg, B., Hartley, W., Ivison, R., Maltby, D., …Werf, P. V. D. (2018). An ALMA Survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS Field: Number Counts of Submillimeter Galaxies. Astrophysical Journal, 860(2), Article 161. https://doi.org/10.3847/1538-4357/aac5e5

We report the first results of AS2UDS, an 870 μm continuum survey with the Atacama Large Millimeter/Submillimeter Array (ALMA) of a total area of ~50 arcmin2 comprising a complete sample of 716 submillimeter sources drawn from the SCUBA-2 Cosmology L... Read More about An ALMA Survey of the SCUBA-2 Cosmology Legacy Survey UKIDSS/UDS Field: Number Counts of Submillimeter Galaxies.

Cosmic dance at z ~ 3: Detecting the host galaxies of the dual AGN system LBQS 0302–0019 and Jil with HAWK-I+GRAAL (2018)
Journal Article
Husemann, B., Bielby, R., Jahnke, K., Arrigoni-Battaia, F., Worseck, G., Shanks, T., …Scholtz, J. (2018). Cosmic dance at z ~ 3: Detecting the host galaxies of the dual AGN system LBQS 0302–0019 and Jil with HAWK-I+GRAAL. Astronomy & Astrophysics, 614, Article L2. https://doi.org/10.1051/0004-6361/201833363

We recently discovered that the luminous radio-quiet quasi-stellar objects (QSO) LBQS 0302–0019 at z = 3.286 is likely accompanied by an obscured AGN at 20 kpc projected distance, which we dubbed Jil. It represents the tightest candidate system of an... Read More about Cosmic dance at z ~ 3: Detecting the host galaxies of the dual AGN system LBQS 0302–0019 and Jil with HAWK-I+GRAAL.

An ALMA survey of CO in submillimetre galaxies: companions, triggering, and the environment in blended sources (2018)
Journal Article
Wardlow, J., Simpson, J., Smail, I., Swinbank, A., Blain, A., Brandt, W., Chapman, S., Chen, C.-C., Cooke, E., Dannerbauer, H., Gullberg, B., Hodge, J., Ivison, R., Knudsen, K., Scott, D., Thomson, A., Weiß, A., & van der Werf, P. (2018). An ALMA survey of CO in submillimetre galaxies: companions, triggering, and the environment in blended sources. Monthly Notices of the Royal Astronomical Society, 479(3), 3879-3891. https://doi.org/10.1093/mnras/sty1526

We present ALMA observations of the mid-J 12CO emission from six single-dish selected 870-μm sources in the Extended Chandra Deep Field-South and UKIDSS Ultra-Deep Survey fields. These six single-dish submillimetre sources were selected based on prev... Read More about An ALMA survey of CO in submillimetre galaxies: companions, triggering, and the environment in blended sources.

Red, redder, reddest: SCUBA-2 imaging of colour-selected Herschel sources (2018)
Journal Article
Duivenvoorden, S., Oliver, S., Scudder, J., Greenslade, J., Riechers, D., Wilkins, S., Buat, V., Chapman, S., Clements, D., Cooray, A., Coppin, K., Dannerbauer, H., De Zotti, G., Dunlop, J., Eales, S., Efstathiou, A., Farrah, D., Geach, J., Holland, W., Hurley, P., …Zemcov, M. (2018). Red, redder, reddest: SCUBA-2 imaging of colour-selected Herschel sources. Monthly Notices of the Royal Astronomical Society, 477(1), 1099-1119. https://doi.org/10.1093/mnras/sty691

High-redshift, luminous, dusty star-forming galaxies (DSFGs) constrain the extremity of galaxy formation theories. The most extreme are discovered through follow-up on candidates in large area surveys. Here, we present extensive 850 μ m SCUBA-2 follo... Read More about Red, redder, reddest: SCUBA-2 imaging of colour-selected Herschel sources.

The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas (2018)
Journal Article
Marques-Chaves, R., Pérez-Fournon, I., Gavazzi, R., Martínez-Navajas, P. I., Riechers, D., Rigopoulou, D., …Wardlow, J. (2018). The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas. Astrophysical Journal, 854(2), Article 151. https://doi.org/10.3847/1538-4357/aaabb7

The submillimeter galaxy (SMG) HERMES J105751.1+573027 (hereafter HLock01) at z = 2.9574 ± 0.0001 is one of the brightest gravitationally lensed sources discovered in the Herschel Multi-tiered Extragalactic Survey. Apart from the high flux densities... Read More about The Strong Gravitationally Lensed Herschel Galaxy HLock01: Optical Spectroscopy Reveals a Close Galaxy Merger with Evidence of Inflowing Gas.

SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES): Faint-end Counts at 450 μm (2017)
Journal Article
Wang, W., Lin, W., Lim, C., Smail, I., Chapman, S. C., Zheng, X. Z., …Wardlow, J. L. (2017). SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES): Faint-end Counts at 450 μm. Astrophysical Journal, 850(1), Article 37. https://doi.org/10.3847/1538-4357/aa911b

The SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES) is a three-year JCMT Large Program aiming to reach the 450 μm confusion limit in the COSMOS-CANDELS region to study a representative sample of the high-redshift far-infrared galaxy population that g... Read More about SCUBA-2 Ultra Deep Imaging EAO Survey (STUDIES): Faint-end Counts at 450 μm.

Stacked average far-infrared spectrum of dusty dtar-forming galaxies from the Herschel/SPIRE Fourier Transform Spectrometer (2017)
Journal Article
Wilson, D., Cooray, A., Nayyeri, H., Bonato, M., Bradford, C. M., Clements, D. L., …Wardlow, J. (2017). Stacked average far-infrared spectrum of dusty dtar-forming galaxies from the Herschel/SPIRE Fourier Transform Spectrometer. Astrophysical Journal, 848(1), Article 30. https://doi.org/10.3847/1538-4357/aa8cc7

We present stacked average far-infrared spectra of a sample of 197 dusty star-forming galaxies (DSFGs) at $0.005\lt z\lt 4$ using about 90% of the Herschel Space Observatory SPIRE Fourier Transform Spectrometer (FTS) extragalactic data archive based... Read More about Stacked average far-infrared spectrum of dusty dtar-forming galaxies from the Herschel/SPIRE Fourier Transform Spectrometer.

A Spatially Resolved Study of Cold Dust, Molecular Gas, H ii Regions, and Stars in the z = 2.12 Submillimeter Galaxy ALESS67.1 (2017)
Journal Article
Chen, C., Hodge, J., Smail, I., Swinbank, A., Walter, F., Simpson, J., …Werf, P. V. D. (2017). A Spatially Resolved Study of Cold Dust, Molecular Gas, H ii Regions, and Stars in the z = 2.12 Submillimeter Galaxy ALESS67.1. Astrophysical Journal, 846(2), Article 108. https://doi.org/10.3847/1538-4357/aa863a

We present detailed studies of a z = 2.12 submillimeter galaxy, ALESS67.1, using sub-arcsecond resolution ALMA, adaptive optics-aided VLT/SINFONI, and Hubble Space Telescope (HST)/CANDELS data to investigate the kinematics and spatial distributions o... Read More about A Spatially Resolved Study of Cold Dust, Molecular Gas, H ii Regions, and Stars in the z = 2.12 Submillimeter Galaxy ALESS67.1.

The Herschel Bright Sources (HerBS): sample definition and SCUBA-2 observations (2017)
Journal Article
Bakx, T. J., Eales, S., Negrello, M., Smith, M., Valiante, E., Holland, W., …Yang, C. (2018). The Herschel Bright Sources (HerBS): sample definition and SCUBA-2 observations. Monthly Notices of the Royal Astronomical Society, 473(2), 1751-1773. https://doi.org/10.1093/mnras/stx2267

We present the Herschel Bright Sources (HerBS) sample, a sample of bright, high-redshift Herschel sources detected in the 616.4 deg2Herschel Astrophysical Terahertz Large Area Survey. The HerBS sample contains 209 galaxies, selected with a 500 μm flu... Read More about The Herschel Bright Sources (HerBS): sample definition and SCUBA-2 observations.

Herschel and Hubble study of a lensed massive dusty dtarbursting galaxy at z ∼ 3 (2017)
Journal Article
Nayyeri, H., Cooray, A., Jullo, E., Riechers, D., Leung, T., Frayer, D., …Wardlow, J. (2017). Herschel and Hubble study of a lensed massive dusty dtarbursting galaxy at z ∼ 3. Astrophysical Journal, 844(1), Article 82. https://doi.org/10.3847/1538-4357/aa7aa0

We present the results of combined deep Keck/NIRC2, HST/WFC3 near-infrared, and Herschel far-infrared observations of an extremely star-forming dusty lensed galaxy identified from the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS J13354... Read More about Herschel and Hubble study of a lensed massive dusty dtarbursting galaxy at z ∼ 3.

An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: Spectroscopic Redshifts (2017)
Journal Article
Danielson, A., Swinbank, A., Smail, I., Simpson, J., Casey, C., Chapman, S., …van der Werf, P. (2017). An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: Spectroscopic Redshifts. Astrophysical Journal, 840(2), Article 78. https://doi.org/10.3847/1538-4357/aa6caf

We present spectroscopic redshifts of {\text{}}{S}870μ {{m}} ≳ 2 mJy submillimeter galaxies (SMGs), which have been identified from the ALMA follow-up observations of 870 μm detected sources in the Extended Chandra Deep Field South (the ALMA-LESS sur... Read More about An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: Spectroscopic Redshifts.