Professor Alastair Edge's Outputs (14)

The Infrared Medium-Deep Survey. II. How to Trigger Radio AGNs? Hints from their Environments (2014)
Journal Article
Karouzos, M., Im, M., Kim, J., Lee, S., Chapman, S., Jeon, Y., …Edge, A. (2014). The Infrared Medium-Deep Survey. II. How to Trigger Radio AGNs? Hints from their Environments. Astrophysical Journal, 797(1), https://doi.org/10.1088/0004-637x/797/1/26

Activity at the centers of galaxies, during which the central supermassive black hole is accreting material, is nowadays accepted to be rather ubiquitous and most probably a phase of every galaxy's evolution. It has been suggested that galactic merge... Read More about The Infrared Medium-Deep Survey. II. How to Trigger Radio AGNs? Hints from their Environments.

The bow shock, cold fronts and disintegrating cool core in the merging galaxy group RX J0751.3+5012 (2014)
Journal Article
Russell, H., Fabian, A., McNamara, B., Edge, A., Sanders, J., Nulsen, P., …O'Dea, C. (2014). The bow shock, cold fronts and disintegrating cool core in the merging galaxy group RX J0751.3+5012. Monthly Notices of the Royal Astronomical Society, 444(1), 629-641. https://doi.org/10.1093/mnras/stu1469

We present a new Chandra X-ray observation of the off-axis galaxy group merger RX J0751.3+5012. The hot atmospheres of the two colliding groups appear highly distorted by the merger. The images reveal arc-like cold fronts around each group core, prod... Read More about The bow shock, cold fronts and disintegrating cool core in the merging galaxy group RX J0751.3+5012.

Molecular Gas in the X-Ray Bright Group NGC 5044 as Revealed by ALMA (2014)
Journal Article
David, L., Lim, J., Forman, W., Vrtilek, J., Combes, F., Salome, P., …Trung, D. (2014). Molecular Gas in the X-Ray Bright Group NGC 5044 as Revealed by ALMA. Astrophysical Journal, 792(2), https://doi.org/10.1088/0004-637x/792/2/94

An ALMA observation of the early-type galaxy NGC 5044, which resides at the center of an X-ray bright group with a moderate cooling flow, detected 24 molecular structures within the central 2.5 kpc. The masses of the molecular structures vary from 3... Read More about Molecular Gas in the X-Ray Bright Group NGC 5044 as Revealed by ALMA.

A non-thermal study of the brightest cluster galaxy NGC 1275 - the Gamma-Radio connection over four decades (2014)
Journal Article
Dutson, K., Edge, A., Hinton, J., Hogan, M., Gurwell, M., & Alston, W. (2014). A non-thermal study of the brightest cluster galaxy NGC 1275 - the Gamma-Radio connection over four decades. Monthly Notices of the Royal Astronomical Society, 442(3), 2048-2057. https://doi.org/10.1093/mnras/stu975

Emission from the active nucleus in the core of the brightest cluster galaxy of the Perseus cluster, NGC 1275, has varied dramatically over the past four decades. Prompted by the Fermi detection of flaring in the γ-ray band, we present the recent inc... Read More about A non-thermal study of the brightest cluster galaxy NGC 1275 - the Gamma-Radio connection over four decades.

Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe (2014)
Journal Article
Oliva-Altamirano, P., Brough, S., Lidman, C., Couch, W., Hopkins, A., Colless, M., …Sharp, R. (2014). Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe. Monthly Notices of the Royal Astronomical Society, 440(1), 762-775. https://doi.org/10.1093/mnras/stu277

We have analysed the growth of Brightest Group Galaxies and Brightest Cluster Galaxies (BGGs/BCGs) over the last 3 billion years using a large sample of 883 galaxies from the Galaxy And Mass Assembly survey. By comparing the stellar mass of BGGs and... Read More about Galaxy And Mass Assembly (GAMA): testing galaxy formation models through the most massive galaxies in the Universe.

The origin of cold gas in giant elliptical galaxies and its role in fuelling radio-mode AGN feedback (2014)
Journal Article
Werner, N., Oonk, J., Sun, M., Nulsen, P., Allen, S., Canning, R., …Ruszkowski, M. (2014). The origin of cold gas in giant elliptical galaxies and its role in fuelling radio-mode AGN feedback. Monthly Notices of the Royal Astronomical Society, 439(3), 2291-2306. https://doi.org/10.1093/mnras/stu006

The nature and origin of the cold interstellar medium (ISM) in early-type galaxies are still a matter of debate, and understanding the role of this component in galaxy evolution and in fuelling the central supermassive black holes requires more obser... Read More about The origin of cold gas in giant elliptical galaxies and its role in fuelling radio-mode AGN feedback.

A 10^10 Solar Mass Flow of Molecular Gas in the A1835 Brightest Cluster Galaxy (2014)
Journal Article
McNamara, B., Russell, H., Nulsen, P., Edge, A., Murray, N., Main, R., …Voit, G. (2014). A 10^10 Solar Mass Flow of Molecular Gas in the A1835 Brightest Cluster Galaxy. Astrophysical Journal, 785(1), Article 44. https://doi.org/10.1088/0004-637x/785/1/44

We report ALMA Early Science observations of the A1835 brightest cluster galaxy (BCG) in the CO (3-2) and CO (1-0) emission lines. We detect 5 × 1010 M ☉ of molecular gas within 10 kpc of the BCG. Its ensemble velocity profile width of ~130 km s–1 FW... Read More about A 10^10 Solar Mass Flow of Molecular Gas in the A1835 Brightest Cluster Galaxy.

The State of the Warm and Cold Gas in the Extreme Starburst at the Core of the Phoenix Galaxy Cluster (SPT-CLJ2344-4243) (2014)
Journal Article
McDonald, M., Swinbank, M., Edge, A., Wilner, D., Veilleux, S., Benson, B., …Bautz, M. (2014). The State of the Warm and Cold Gas in the Extreme Starburst at the Core of the Phoenix Galaxy Cluster (SPT-CLJ2344-4243). Astrophysical Journal, 784(1), Article 18. https://doi.org/10.1088/0004-637x/784/1/18

We present new optical integral field spectroscopy (Gemini South) and submillimeter spectroscopy (Submillimeter Array) of the central galaxy in the Phoenix cluster (SPT-CLJ2344-4243). This cluster was previously reported to have a massive starburst (... Read More about The State of the Warm and Cold Gas in the Extreme Starburst at the Core of the Phoenix Galaxy Cluster (SPT-CLJ2344-4243).

Massive Molecular Gas Flows in the A1664 Brightest Cluster Galaxy (2014)
Journal Article
Russell, H., McNamara, B., Edge, A., Nulsen, P., Main, R., Vantyghem, A., …Voit, G. (2014). Massive Molecular Gas Flows in the A1664 Brightest Cluster Galaxy. Astrophysical Journal, 784(1), Article 78. https://doi.org/10.1088/0004-637x/784/1/78

We report ALMA Early Science CO(1-0) and CO(3-2) observations of the brightest cluster galaxy (BCG) in A1664. The BCG contains 1.1 × 1010 M ☉ of molecular gas divided roughly equally between two distinct velocity systems: one from –250 to +250 km s–1... Read More about Massive Molecular Gas Flows in the A1664 Brightest Cluster Galaxy.

[C II] and ^12CO(1-0) Emission Maps in HLSJ091828.6+514223: A Strongly Lensed Interacting System at z = 5.24 (2014)
Journal Article
Rawle, T., Egami, E., Bussmann, R., Gurwell, M., Ivison, R., Boone, F., …Zemcov, M. (2014). [C II] and ^12CO(1-0) Emission Maps in HLSJ091828.6+514223: A Strongly Lensed Interacting System at z = 5.24. Astrophysical Journal, 783(1), Article 59. https://doi.org/10.1088/0004-637x/783/1/59

We present Submillimeter Array [C II] 158 μm and Karl G. Jansky Very Large Array 12CO(1-0) line emission maps for the bright, lensed, submillimeter source at z = 5.2430 behind A 773: HLSJ091828.6+514223 (HLS0918). We combine these measurements with p... Read More about [C II] and ^12CO(1-0) Emission Maps in HLSJ091828.6+514223: A Strongly Lensed Interacting System at z = 5.24.

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.