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The environments of luminous radio-WISE selected infrared galaxies (2018)
Journal Article
Penney, J. I., Blain, A. W., Wylezalek, D., Hatch, N. A., Lonsdale, C., Kimball, A., …Wu, J. (2019). The environments of luminous radio-WISE selected infrared galaxies. Monthly Notices of the Royal Astronomical Society, 483(1), 514-528. https://doi.org/10.1093/mnras/sty3128

We have observed the environments of a population of 33 heavily dust obscured, ultraluminous, high-redshift galaxies, selected using Wide-Field Infrared Survey Explorer (WISE) and NRAO 1.4 GHz VLA Sky Survey atz > 1.3 with the infrared array camera o... Read More about The environments of luminous radio-WISE selected infrared galaxies.

Compact star-forming galaxies preferentially quenched to become PSBs in z < 1 clusters (2018)
Journal Article
Socolovsky, M., Maltby, D. T., Hatch, N. A., Almaini, O., Wild, V., Hartley, W. G., …Rowlands, K. (2019). Compact star-forming galaxies preferentially quenched to become PSBs in z < 1 clusters. Monthly Notices of the Royal Astronomical Society, 482(2), 1640-1650. https://doi.org/10.1093/mnras/sty2840

© 2018 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society. We analyse the structure of galaxies with high specific star formation rate (SSFR) in cluster and field environments in the redshift range 0.5 < z... Read More about Compact star-forming galaxies preferentially quenched to become PSBs in z < 1 clusters.

MAHALO Deep Cluster Survey II. Characterizing massive forming galaxies in the Spiderweb protocluster at z = 2.2 (2018)
Journal Article
Shimakawa, R., Koyama, Y., Röttgering, H. J., Kodama, T., Hayashi, M., Hatch, N. A., …Kurk, J. D. (2018). MAHALO Deep Cluster Survey II. Characterizing massive forming galaxies in the Spiderweb protocluster at z = 2.2. Monthly Notices of the Royal Astronomical Society, 481(4), 5630-5650. https://doi.org/10.1093/mnras/sty2618

This paper is the second in a series presenting the results of our deep H α-line survey towards protoclusters at z > 2, based on narrow-band imaging with the Subaru Telescope. This work investigates massive galaxies in a protocluster region associate... Read More about MAHALO Deep Cluster Survey II. Characterizing massive forming galaxies in the Spiderweb protocluster at z = 2.2.

The structure of post-starburst galaxies at 0.5 < z < 2: evidence for two distinct quenching routes at different epochs (2018)
Journal Article
Maltby, D. T., Almaini, O., Wild, V., Hatch, N. A., Hartley, W. G., Simpson, C., …Socolovsky, M. (2018). The structure of post-starburst galaxies at 0.5 < z < 2: evidence for two distinct quenching routes at different epochs. Monthly Notices of the Royal Astronomical Society, 480(1), 381-401. https://doi.org/10.1093/mnras/sty1794

We present an analysis of the structure of post-starburst (PSB) galaxies in the redshift range 0.5 less than z less than 2, using a photometrically selected sample identified in the Ultra Deep Survey field. We examine the structure of ∼80 of t... Read More about The structure of post-starburst galaxies at 0.5 < z < 2: evidence for two distinct quenching routes at different epochs.

HST Grism Confirmation of 16 Structures at 1.4<z<2.8 from the Clusters Around Radio-Loud AGN (CARLA) Survey (2018)
Journal Article
Noirot, G., Stern, D., Mei, S., Wylezalek, D., Cooke, E. A., De Breuck, C., …Stanford, S. A. (2018). HST Grism Confirmation of 16 Structures at 1.4

We report spectroscopic results from our 40-orbit Hubble Space Telescope slitless grism spectroscopy program observing the 20 densest Clusters Around Radio-Loud AGN (CARLA) candidate galaxy clusters at 1.4 less than z less than 2.8. These candidate r... Read More about HST Grism Confirmation of 16 Structures at 1.4<z<2.8 from the Clusters Around Radio-Loud AGN (CARLA) Survey.

Giant galaxy growing from recycled gas: ALMA maps the circumgalactic molecular medium of the Spiderweb in [C i] (2018)
Journal Article
Emonts, B., Lehnert, M., Dannerbauer, H., De Breuck, C., Villar-Martín, M., Miley, G., …Norris, R. (2018). Giant galaxy growing from recycled gas: ALMA maps the circumgalactic molecular medium of the Spiderweb in [C i]. Monthly Notices of the Royal Astronomical Society: Letters, 477(1), L60-L65. https://doi.org/10.1093/mnrasl/sly034

The circumgalactic medium (CGM) of the massive Spiderweb Galaxy, a conglomerate of merging proto-cluster galaxies at z = 2.2, forms an enriched interface where feedback and recycling act on accreted gas. This is shown by observations of [C i], CO(1-0... Read More about Giant galaxy growing from recycled gas: ALMA maps the circumgalactic molecular medium of the Spiderweb in [C i].

Scientific synergy between LSST and Euclid (2017)
Journal Article
Rhodes, J., Nichol, R. C., Aubourg, É., Bean, R., Boutigny, D., Bremer, M. N., …Linden, A. V. D. (2017). Scientific synergy between LSST and Euclid. Astrophysical Journal Supplement, 233(2), https://doi.org/10.3847/1538-4365/aa96b0

Euclid and the Large Synoptic Survey Telescope (LSST) are poised to dramatically change the astronomy landscape early in the next decade. The combination of high-cadence, deep, wide-field optical photometry from LSST with high-resolution, wide-field... Read More about Scientific synergy between LSST and Euclid.

The implications of the surprising existence of a large, massive CO disk in a distant protocluster (2017)
Journal Article
Dannerbauer, H., Lehnert, M., Emonts, B., Ziegler, B., Altieri, B., De Breuck, C., …Wylezalek, D. (in press). The implications of the surprising existence of a large, massive CO disk in a distant protocluster. Astronomy and Astrophysics, 608, Article A48. https://doi.org/10.1051/0004-6361/201730449

It is not yet known if the properties of molecular gas in distant protocluster galaxies are significantly affected by their environment as galaxies are in local clusters. Through a deep, 64 h of effective on-source integration with the Australian Tel... Read More about The implications of the surprising existence of a large, massive CO disk in a distant protocluster.

VizieR Online Data Catalog: HAE229 CO (1-0) ATCA datacube (Dannerbauer+, 2017) (2017)
Dataset
Dannerbauer, H., Lehnert, M. D., Emonts, B., Ziegler, B., Altieri, B., De Breuck, C., …Wylezalek, D. (2017). VizieR Online Data Catalog: HAE229 CO (1-0) ATCA datacube (Dannerbauer+, 2017). [Dataset]. https://doi.org/10.26093/cds/vizier.36080048

It is not yet known if the properties of molecular gas in distant protocluster galaxies are significantly acted by their environment as galaxies are in local clusters. Through a deep, 64 hours of effective on-source integration with the Australian Te... Read More about VizieR Online Data Catalog: HAE229 CO (1-0) ATCA datacube (Dannerbauer+, 2017).

Galaxy evolution in protoclusters (2017)
Journal Article
Muldrew, S. I., Hatch, N. A., & Cooke, E. A. (in press). Galaxy evolution in protoclusters. Monthly Notices of the Royal Astronomical Society, https://doi.org/10.1093/mnras/stx2454

We investigate galaxy evolution in protoclusters using a semi-analytic model applied to the Millennium Simulation, scaled to a Planck cosmology. We show that the model reproduces the observed behaviour of the star formation history (SFH) both in prot... Read More about Galaxy evolution in protoclusters.

Massive post-starburst galaxies at z > 1 are compact proto-spheroids (2017)
Journal Article
Almaini, O., Wild, V., Maltby, D. T., Hartley, W. G., Simpson, C., Hatch, N. A., …Rowlands, K. (2017). Massive post-starburst galaxies at z > 1 are compact proto-spheroids. Monthly Notices of the Royal Astronomical Society, 472(2), 1401-1412. https://doi.org/10.1093/mnras/stx1957

We investigate the relationship between the quenching of star formation and the structural transformation of massive galaxies, using a large sample of photometrically-selected poststarburst galaxies in the UKIDSS UDS field. We find that post-starburs... Read More about Massive post-starburst galaxies at z > 1 are compact proto-spheroids.

Enhancement of AGN in a protocluster at z=1.6 (2017)
Journal Article
Krishnan, C., Hatch, N. A., Almaini, O., Kocevski, D., Cooke, E. A., Hartley, W. G., …Simpson, C. (2017). Enhancement of AGN in a protocluster at z=1.6. Monthly Notices of the Royal Astronomical Society, 470(2), 2170-2178. https://doi.org/10.1093/mnras/stx1315

We investigate the prevalence of AGN in the high-redshift protocluster Cl 0218.3–0510 at z = 1.62. Using imaging from the Chandra X-ray Telescope, we find a large overdensity of AGN in the protocluster; a factor of 23±9 times the field density of AGN... Read More about Enhancement of AGN in a protocluster at z=1.6.

Galaxy formation through cosmic recycling (2016)
Journal Article
Hatch, N. (2016). Galaxy formation through cosmic recycling. Science, 354(6316), 1102-1103. https://doi.org/10.1126/science.aah6255

Extremely massive galaxies are seen in the young universe, but their presence is puzzling because we do not yet understand how they became so massive so quickly. How do they get enough fuel to form stars so rapidly? The raw fuel for forming stars is... Read More about Galaxy formation through cosmic recycling.

HST grism confirmation of two z ~ 2 structures from the clusters around radio-loud AGN (CARLA) survey (2016)
Journal Article
Noirot, G., Vernet, J., De Breuck, C., Wylezalek, D., Galametz, A., Stern, D., …Stanford, S. A. (2016). HST grism confirmation of two z ~ 2 structures from the clusters around radio-loud AGN (CARLA) survey. Astrophysical Journal, 830(2), https://doi.org/10.3847/0004-637X/830/2/90

Using Hubble Space Telescope slitless grism data, we report the spectroscopic confirmation of two distant structures at z ~ 2 associated with powerful high-redshift radio-loud active galactic nuclei (AGNs). These rich structures, likely (forming) clu... Read More about HST grism confirmation of two z ~ 2 structures from the clusters around radio-loud AGN (CARLA) survey.

The impact of protocluster environments at z = 1.6 (2016)
Journal Article
Hatch, N. A., Cooke, E. A., Muldrew, S. I., Hartley, W. G., Almaini, O., Conselice, C. J., & Simpson, C. (2017). The impact of protocluster environments at z = 1.6. Monthly Notices of the Royal Astronomical Society, 464(1), 876-884. https://doi.org/10.1093/mnras/stw2359

We investigate the effects of dense environments on galaxy evolution by examining how the properties of galaxies in the z = 1.6 protocluster Cl 0218.3−0510 depend on their location. We determine galaxy properties using spectral energy distribution fi... Read More about The impact of protocluster environments at z = 1.6.

ALMA finds dew drops in the dusty spider’s web (2016)
Journal Article
Gullberg, B., Lehnert, M. D., De Breuck, C., Branchu, S., Dannerbauer, H., Drouart, G., …Vernet, J. (2016). ALMA finds dew drops in the dusty spider’s web. Astronomy and Astrophysics, 591, Article A73. https://doi.org/10.1051/0004-6361/201527647

We present 0.̋5 resolution ALMA detections of the observed 246 GHz continuum, [CI] 3P2→3P1 fine structure line ([CI]2–1), CO(7–6), and H2O lines in the z = 2.161 radio galaxy MRC1138-262, the so-called Spiderweb galaxy. We detect strong [CI]2–1 emiss... Read More about ALMA finds dew drops in the dusty spider’s web.

HST imaging of the dusty filaments and nucleus swirl in NGC4696 at the centre of the Centaurus Cluster (2016)
Journal Article
Fabian, A., Walker, S., Russell, H., Pinto, C., Canning, R., Salome, P., …Reynolds, C. (in press). HST imaging of the dusty filaments and nucleus swirl in NGC4696 at the centre of the Centaurus Cluster. Monthly Notices of the Royal Astronomical Society, 461(1), https://doi.org/10.1093/mnras/stw1350

Narrow-band HST imaging has resolved the detailed internal structure of the 10 kpc diameter H ?+[N II] emission line nebulosity in NGC4696, the central galaxy in the nearby Centaurus cluster, showing that the dusty, molecular, filaments have a width... Read More about HST imaging of the dusty filaments and nucleus swirl in NGC4696 at the centre of the Centaurus Cluster.

The structure and evolution of a forming galaxy cluster at z = 1.62 (2016)
Journal Article
J. Conselice, C., G. Hartley, W., A. Cooke, E., I. Muldrew, S., A. Hatch, N., Hatch, N. A., …Conselice, C. J. (2016). The structure and evolution of a forming galaxy cluster at z = 1.62. Monthly Notices of the Royal Astronomical Society, 459(1), 387-401. https://doi.org/10.1093/mnras/stw602

We present a comprehensive picture of the Cl0218.3-0510 protocluster at $z=1.623$ across 10 co-moving Mpc. Using filters that tightly bracket the Balmer and 4000 Angstrom breaks of the protocluster galaxies we obtain precise photometric redshifts res... Read More about The structure and evolution of a forming galaxy cluster at z = 1.62.

A mature galaxy cluster at z= 1.58 around the radio galaxy 7C 1753+6311 (2016)
Journal Article
Cooke, E. A., Hatch, N. A., Stern, D., Rettura, A., Brodwin, M., Galametz, A., …Jarvis, M. (2016). A mature galaxy cluster at z= 1.58 around the radio galaxy 7C 1753+6311. Astrophysical Journal, 816(2), Article 83. https://doi.org/10.3847/0004-637X/816/2/83

We report on the discovery of a z = 1.58 mature cluster around the high-redshift radio galaxy 7C 1753+6311, first identified in the Clusters Around Radio-loud active galactic nuclei survey. Two-thirds of the excess galaxies within the central 1 Mpc l... Read More about A mature galaxy cluster at z= 1.58 around the radio galaxy 7C 1753+6311.