All Outputs (55)

The clustering of X-ray AGN at 0.5 < z < 4.5: host galaxies dictate dark matter halo mass (2020)
Journal Article
Krishnan, C., Almaini, O., Hatch, N. A., Wilkinson, A., Maltby, D. T., Conselice, C. J., …Wild, V. (2020). The clustering of X-ray AGN at 0.5 < z < 4.5: host galaxies dictate dark matter halo mass. Monthly Notices of the Royal Astronomical Society, 492(4), 4927–4944. https://doi.org/10.1093/mnras/staa815

We analyse 870 μm Atacama Large Millimetre Array (ALMA) dust continuum detections of 41 canonically selected z ≃ 3 Lyman-break galaxies (LBGs), as well as 209 ALMA-undetected LBGs, in follow-up of SCUBA-2 mapping of the UKIDSS Ultra Deep Survey (UDS)... Read More about The clustering of X-ray AGN at 0.5 < z < 4.5: host galaxies dictate dark matter halo mass.

Galaxy cluster illuminates the cosmic dark ages (2020)
Journal Article
Nina A., H. (2020). Galaxy cluster illuminates the cosmic dark ages. Nature, 577(7788), 36-37. https://doi.org/10.1038/d41586-019-03893-7

VLT/SINFONI study of black hole growth in high redshift radio-loud quasars from the CARLA survey (2019)
Journal Article
Marinello, M., Overzier, R. A., Röttgering, H. J. A., Kurk, J. D., De Breuck, C., Vernet, J., …Saxena, A. (2020). VLT/SINFONI study of black hole growth in high redshift radio-loud quasars from the CARLA survey. Monthly Notices of the Royal Astronomical Society, 492(2), 1991–2016. https://doi.org/10.1093/mnras/stz3333

Searching for the shadows of giants: characterizing protoclusters with line of sight Lyman-α absorption (2019)
Journal Article
Miller, J. S. A., Bolton, J. S., & Hatch, N. (2019). Searching for the shadows of giants: characterizing protoclusters with line of sight Lyman-α absorption. Monthly Notices of the Royal Astronomical Society, 489(4), 5381-5397. https://doi.org/10.1093/mnras/stz2504

© 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society. We use state-of-the-art hydrodyamical simulations from the Sherwood, EAGLE, and Illustris projects to examine the signature of Mz = 0 ≃ 1014 M prot... Read More about Searching for the shadows of giants: characterizing protoclusters with line of sight Lyman-α absorption.

High-velocity outflows in massive post-starburst galaxies at z > 1 (2019)
Journal Article
Maltby, D. T., Almaini, O., McLure, R. J., Wild, V., Dunlop, J., Rowlands, K., …Talia, M. (2019). High-velocity outflows in massive post-starburst galaxies at z > 1. Monthly Notices of the Royal Astronomical Society, 489(1), 1139-1151. https://doi.org/10.1093/mnras/stz2211

We investigate the prevalence of galactic-scale outflows in post-starburst (PSB) galaxies at high redshift (1 < z < 1.4), using the deep optical spectra available in the UKIDSS Ultra Deep Survey (UDS). We use a sample of ∼40 spectroscopically confirm... Read More about High-velocity outflows in massive post-starburst galaxies at z > 1.

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.

HST Grism Confirmation of 16 Structures at 1.4<z<2.8 from the Clusters Around Radio-Loud AGN (CARLA) Survey (2018)
Preprint / Working Paper
Noirot, G., Stern, D., Mei, S., Wylezalek, D., Cooke, E. A., De Breuck, C., …Stanford, S. 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 CARLA candidate galaxy clusters at 1.4<z<2.8. These candidate rich structures, among the richest and most distant kn...

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].

The enhancement of rapidly quenched galaxies in distant clusters at 0.5 < z < 1.0 (2018)
Journal Article
Socolovsky, M., Almaini, O., Hatch, N. A., Wild, V., Maltby, D. T., Hartley, W. G., & Simpson, C. (2018). The enhancement of rapidly quenched galaxies in distant clusters at 0.5 < z < 1.0. Monthly Notices of the Royal Astronomical Society, 476(1), https://doi.org/10.1093/mnras/sty312

We investigate the relationship between environment and galaxy evolution in the redshift range $0.5<z<1.0$. Galaxy overdensities are selected using a Friends-of-Friends algorithm, applied to deep photometric data in the Ultra-Deep Survey (UDS) field...

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.

Scientific Synergy Between LSST and Euclid (2017)
Preprint / Working Paper
Rhodes, J., Nichol, R. C., Aubourg, É., Bean, R., Boutigny, D., Bremer, M. N., …Von Der Linden, A. Scientific Synergy Between LSST and Euclid

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.

VizieR Online Data Catalog: HAE229 CO (1-0) ATCA datacube (Dannerbauer+, 2017) (2017)
Data
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.