Skip to main content

Research Repository

Advanced Search

Professor Alastair Edge's Outputs (335)

Clustering of extremely red objects in Elais-N1 from the UKIDSS DXS with optical photometry from Pan-STARRS 1 and Subaru (2014)
Journal Article
Kim, J., Edge, A. C., Wake, D. A., Gonzalez-Perez, V., Baugh, C. M., Lacey, C. G., …Kaiser, N. (2014). Clustering of extremely red objects in Elais-N1 from the UKIDSS DXS with optical photometry from Pan-STARRS 1 and Subaru. Monthly Notices of the Royal Astronomical Society, 438(1), 825-840. https://doi.org/10.1093/mnras/stt2245

We measure the angular clustering of 33 415 extremely red objects (EROs) in the Elais-N1 field covering 5.33 deg2, which cover the redshift range z = 0.8 to 2. This sample was made by merging the UKIDSS Deep eXtragalactic Survey (DXS) with the optica... Read More about Clustering of extremely red objects in Elais-N1 from the UKIDSS DXS with optical photometry from Pan-STARRS 1 and Subaru.

The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster (2014)
Journal Article
Smail, I., Geach, J., Swinbank, A., Tadaki, K., Arumugam, V., Hartley, W., …Webb, T. (2014). The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster. Astrophysical Journal, 782(1), Article 19. https://doi.org/10.1088/0004-637x/782/1/19

We analyze new SCUBA-2 submillimeter and archival SPIRE far-infrared imaging of a z = 1.62 cluster, Cl 0218.3–0510, which lies in the UKIRT Infrared Deep Sky Survey/Ultra-Deep Survey field of the SCUBA-2 Cosmology Legacy Survey. Combining these trace... Read More about The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster.

Jellyfish: Evidence of Extreme Ram-pressure Stripping in Massive Galaxy Clusters (2014)
Journal Article
Ebeling, H., Stephenson, L., & Edge, A. (2014). Jellyfish: Evidence of Extreme Ram-pressure Stripping in Massive Galaxy Clusters. Astrophysical Journal Letters, 781(2), Article L40. https://doi.org/10.1088/2041-8205/781/2/l40

Ram-pressure stripping by the gaseous intracluster medium has been proposed as the dominant physical mechanism driving the rapid evolution of galaxies in dense environments. Detailed studies of this process have, however, largely been limited to rela... Read More about Jellyfish: Evidence of Extreme Ram-pressure Stripping in Massive Galaxy Clusters.

Cold gas dynamics in Hydra-A: evidence for a rotating disc (2014)
Journal Article
Hamer, S., Edge, A., Swinbank, A., Oonk, J., Mittal, R., McNamara, B., …Sarazin, C. (2014). Cold gas dynamics in Hydra-A: evidence for a rotating disc. Monthly Notices of the Royal Astronomical Society, 437(1), 862-878. https://doi.org/10.1093/mnras/stt1949

We present multifrequency observations of the radio galaxy Hydra-A (3C218) located in the core of a massive, X-ray luminous galaxy cluster. Integral field unit spectroscopy is used to trace the kinematics of the ionized and warm molecular hydrogen wh... Read More about Cold gas dynamics in Hydra-A: evidence for a rotating disc.

13CO and C18O emission from a dense gas disc at z = 2.3: abundance variations, cosmic rays and the initial conditions for star formation (2013)
Journal Article
Danielson, A., Swinbank, A., Smail, I., Bayet, E., van der Werf, P. P., Cox, P., …Ivison, R. (2013). 13CO and C18O emission from a dense gas disc at z = 2.3: abundance variations, cosmic rays and the initial conditions for star formation. Monthly Notices of the Royal Astronomical Society, 436(3), 2793-2809. https://doi.org/10.1093/mnras/stt1775

We analyse the spectral line energy distributions of 13CO and C18O for the J = 1→0 up to J = 7→6 transitions in the gravitationally lensed ultraluminous infrared galaxy SMM J2135−0102 at z = 2.3. This is the first detection of 13CO and C18O in a high... Read More about 13CO and C18O emission from a dense gas disc at z = 2.3: abundance variations, cosmic rays and the initial conditions for star formation.

A multiwavelength view of cooling versus AGN heating in the X-ray luminous cool-core of Abell 3581 (2013)
Journal Article
Canning, R., Sun, M., Sanders, J., Clarke, T., Fabian, A., Giacintucci, S., …Sarazin, C. (2013). A multiwavelength view of cooling versus AGN heating in the X-ray luminous cool-core of Abell 3581. Monthly Notices of the Royal Astronomical Society, 435(2), 1108-1125. https://doi.org/10.1093/mnras/stt1345

We report the results of a multiwavelength study of the nearby galaxy group, Abell 3581 (z = 0.0218). This system hosts the most luminous cool core of any nearby group and exhibits active radio mode feedback from the supermassive black hole in its br... Read More about A multiwavelength view of cooling versus AGN heating in the X-ray luminous cool-core of Abell 3581.

Galaxy and Mass Assembly (GAMA): Witnessing the Assembly of the Cluster ABELL 1882 (2013)
Journal Article
Owers, M., Baldry, I., Bauer, A., Bland-Hawthorn, J., Brown, M., Cluver, M., …Robotham, A. (2013). Galaxy and Mass Assembly (GAMA): Witnessing the Assembly of the Cluster ABELL 1882. Astrophysical Journal, 772(2), Article 104. https://doi.org/10.1088/0004-637x/772/2/104

We present a combined optical and X-ray analysis of the rich cluster ABELL 1882 (A1882) with the aim of identifying merging substructure and understanding the recent assembly history of this system. Our optical data consist of spectra drawn from the... Read More about Galaxy and Mass Assembly (GAMA): Witnessing the Assembly of the Cluster ABELL 1882.

Clustering of EROs from UKIDSS DXS and Pan-STARRS PS1 (2013)
Presentation / Conference Contribution
Kim, J.-W., Edge, A. C., Wake, D., Gonzalez-Perez, V., Baugh, C. M., & Lacey, C. G. (2013, July). Clustering of EROs from UKIDSS DXS and Pan-STARRS PS1. Presented at IAU Symposium

We have measured the angular two-point correlation function of EROs. The halo model is fitted to the observed clustering, and dark matter halo mass, bias and satellite fraction are estimated in three redshift bins. We also compare our results with th... Read More about Clustering of EROs from UKIDSS DXS and Pan-STARRS PS1.

Cold fronts and metal anisotropies in the X-ray cool core of the galaxy cluster Zw 1742+3306 (2013)
Journal Article
Ettori, S., Gastaldello, F., Gitti, M., O'Sullivan, E., Gaspari, M., Brighenti, F., …Edge, A. (2013). Cold fronts and metal anisotropies in the X-ray cool core of the galaxy cluster Zw 1742+3306. Astronomy & Astrophysics, 555, Article A93. https://doi.org/10.1051/0004-6361/201321107

Context. In recent years, our understanding of the cool cores of galaxy clusters has changed. Once thought to be relatively simple places where gas cools and flows towards the centre, now they are believed to be very dynamic places where heating from... Read More about Cold fronts and metal anisotropies in the X-ray cool core of the galaxy cluster Zw 1742+3306.

Radiative efficiency, variability and Bondi accretion on to massive black holes: the transition from radio AGN to quasars in brightest cluster galaxies (2013)
Journal Article
Russell, H., McNamara, B., Edge, A., Hogan, M., Main, R., & Vantyghem, A. (2013). Radiative efficiency, variability and Bondi accretion on to massive black holes: the transition from radio AGN to quasars in brightest cluster galaxies. Monthly Notices of the Royal Astronomical Society, 432(1), 530-553. https://doi.org/10.1093/mnras/stt490

We examine unresolved nuclear X-ray sources in 57 brightest cluster galaxies to study the relationship between nuclear X-ray emission and accretion on to supermassive black holes. The majority of the clusters in our sample have prominent X-ray caviti... Read More about Radiative efficiency, variability and Bondi accretion on to massive black holes: the transition from radio AGN to quasars in brightest cluster galaxies.

X-ray selected galaxy clusters in the Pan-STARRS Medium Deep Survey (2013)
Journal Article
Ebeling, H., Edge, A., Burgett, W., Chambers, K., Hodapp, K., Huber, M., …Tonry, J. (2013). X-ray selected galaxy clusters in the Pan-STARRS Medium Deep Survey. Monthly Notices of the Royal Astronomical Society, 432(1), 62-72. https://doi.org/10.1093/mnras/stt387

We present the results of a pilot study for the extended Massive Cluster Survey (eMACS), a comprehensive search for distant, X-ray luminous galaxy clusters at z > 0.5. Our pilot study applies the eMACS concept to the 71 deg2 area extended by the 10 f... Read More about X-ray selected galaxy clusters in the Pan-STARRS Medium Deep Survey.

The SCUBA-2 cosmology legacy survey : blank-field number counts of 450-μm-selected galaxies and their contribution to the cosmic infrared background (2013)
Journal Article
Geach, J., Chapin, E., Coppin, K., Dunlop, J., Halpern, M., Smail, I., …Zemcov, M. (2013). The SCUBA-2 cosmology legacy survey : blank-field number counts of 450-μm-selected galaxies and their contribution to the cosmic infrared background. Monthly Notices of the Royal Astronomical Society, 432(1), 53-61. https://doi.org/10.1093/mnras/stt352

The first deep blank-field 450 μm map (1σ ≈ 1.3 mJy) from the Submillimetre Common-User Bolometer Array-2 SCUBA-2 Cosmology Legacy Survey (S2CLS), conducted with the James Clerk Maxwell Telescope (JCMT) is presented. Our map covers 140 arcmin2 of the... Read More about The SCUBA-2 cosmology legacy survey : blank-field number counts of 450-μm-selected galaxies and their contribution to the cosmic infrared background.

An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field South : high-resolution 870 μm source counts (2013)
Journal Article
Karim, A., Swinbank, A., Hodge, J., Smail, I., Walter, F., Biggs, A., …van der Werf, P. (2013). An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field South : high-resolution 870 μm source counts. Monthly Notices of the Royal Astronomical Society, 432(1), 2-9. https://doi.org/10.1093/mnras/stt196

We report the first counts of faint submillimetre galaxies (SMGs) in the 870-μm band derived from arcsecond-resolution observations with the Atacama Large Millimeter Array (ALMA). We have used ALMA to map a sample of 122 870-μm-selected submillimetre... Read More about An ALMA survey of submillimetre galaxies in the Extended Chandra Deep Field South : high-resolution 870 μm source counts.

The rapid evolution of AGN feedback in brightest cluster galaxies: switching from quasar-mode to radio-mode feedback (2013)
Journal Article
Hlavacek-Larrondo, J., Fabian, A., Edge, A., Ebeling, H., Allen, S., Sanders, J., & Taylor, G. (2013). The rapid evolution of AGN feedback in brightest cluster galaxies: switching from quasar-mode to radio-mode feedback. Monthly Notices of the Royal Astronomical Society, 431(2), 1638-1658. https://doi.org/10.1093/mnras/stt283

We present an analysis of the 2–10 keV X-ray emission associated with the active galactic nuclei (AGN) in brightest cluster galaxies (BCGs). Our sample consists of 32 BCGs that lie in highly X-ray luminous cluster of galaxies (L X−ray (0.1−2.4keV)>3×... Read More about The rapid evolution of AGN feedback in brightest cluster galaxies: switching from quasar-mode to radio-mode feedback.

An ALMA survey of submillimeter galaxies in the Extended Chandra Deep Field South : source catalog and multiplicity (2013)
Journal Article
Hodge, J., Karim, A., Smail, I., Swinbank, A., Walter, F., Biggs, A., …van der Werf, P. (2013). An ALMA survey of submillimeter galaxies in the Extended Chandra Deep Field South : source catalog and multiplicity. Astrophysical Journal, 768(1), Article 91. https://doi.org/10.1088/0004-637x/768/1/91

We present an Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 0 survey of 126 submillimeter sources from the LABOCA ECDFS Submillimeter Survey (LESS). Our 870 μm survey with ALMA (ALESS) has produced maps ~3× deeper and with a beam area ~20... Read More about An ALMA survey of submillimeter galaxies in the Extended Chandra Deep Field South : source catalog and multiplicity.

The Nature of Filamentary Cold Gas in the Core of the Virgo Cluster (2013)
Journal Article
Werner, N., Oonk, J., Canning, R., Allen, S., Simionescu, A., Kos, J., …Ruszkowski, M. (2013). The Nature of Filamentary Cold Gas in the Core of the Virgo Cluster. Astrophysical Journal, 767(2), Article 153. https://doi.org/10.1088/0004-637x/767/2/153

We present a multi-wavelength study of the emission-line nebulae located ~38'' (3 kpc in projection) southeast of the nucleus of M87, the central dominant galaxy of the Virgo Cluster. We report the detection of far-infrared (FIR) [C II] line emission... Read More about The Nature of Filamentary Cold Gas in the Core of the Virgo Cluster.

A stacked analysis of brightest cluster galaxies observed with the Fermi Large Area Telescope (2013)
Journal Article
Dutson, K., White, R., Edge, A., Hinton, J., & Hogan, M. (2013). A stacked analysis of brightest cluster galaxies observed with the Fermi Large Area Telescope. Monthly Notices of the Royal Astronomical Society, 429(3), 2069-2079. https://doi.org/10.1093/mnras/sts477

We present the results of a search for high-energy γ-ray emission from a large sample of galaxy clusters sharing the properties of three existing Fermi Large Area Telescope detections (in Perseus, Virgo and A3392), namely a powerful radio source with... Read More about A stacked analysis of brightest cluster galaxies observed with the Fermi Large Area Telescope.

Dust-obscured star formation in the outskirts of XMMU J2235.3-2557, a massive galaxy cluster at z = 1.4 (2013)
Journal Article
Santos, J., Altieri, B., Popesso, P., Strazzullo, V., Valtchanov, I., Berta, S., …Tanaka, M. (2013). Dust-obscured star formation in the outskirts of XMMU J2235.3-2557, a massive galaxy cluster at z = 1.4. Monthly Notices of the Royal Astronomical Society, 433(2), 1287-1299. https://doi.org/10.1093/mnras/stt811

Star formation (SF) in the galaxy populations of local massive clusters is reduced with respect to field galaxies, and tends to be suppressed in the core region. Indications of a reversal of the SF–density relation have been observed in a few z > 1.4... Read More about Dust-obscured star formation in the outskirts of XMMU J2235.3-2557, a massive galaxy cluster at z = 1.4.