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Professor Alastair Edge's Outputs (14)

The Onset of Thermally Unstable Cooling from the Hot Atmospheres of Giant Galaxies in Clusters: Constraints on Feedback Models (2017)
Journal Article
Hogan, M., McNamara, B., Pulido, F., Nulsen, P., Vantyghem, A., Russell, H., …McDonald, M. (2017). The Onset of Thermally Unstable Cooling from the Hot Atmospheres of Giant Galaxies in Clusters: Constraints on Feedback Models. Astrophysical Journal, 851(1), Article 66. https://doi.org/10.3847/1538-4357/aa9af3

We present accurate mass and thermodynamic profiles for 57 galaxy clusters observed with the Chandra X-ray Observatory. We investigate the effects of local gravitational acceleration in central cluster galaxies, and explore the role of the local free... Read More about The Onset of Thermally Unstable Cooling from the Hot Atmospheres of Giant Galaxies in Clusters: Constraints on Feedback Models.

Mystery solved: discovery of extended radio emission in the merging galaxy cluster Abell 2146 (2017)
Journal Article
Hlavacek-Larrondo, J., Gendron-Marsolais, M., Fecteau-Beaucage, D., van Weeren, R., Russell, H., Edge, A., …Taylor, G. (2018). Mystery solved: discovery of extended radio emission in the merging galaxy cluster Abell 2146. Monthly Notices of the Royal Astronomical Society, 475(2), 2743-2753. https://doi.org/10.1093/mnras/stx3160

Abell 2146 (z = 0.232) is a massive galaxy cluster currently undergoing a spectacular merger in the plane of the sky with a bullet-like morphology. It was the first system in which both the bow and upstream shock fronts were detected at X-ray wavelen... Read More about Mystery solved: discovery of extended radio emission in the merging galaxy cluster Abell 2146.

The most massive black holes on the Fundamental Plane of black hole accretion (2017)
Journal Article
Mezcua, M., Hlavacek-Larrondo, J., Lucey, J., Hogan, M., Edge, A., & McNamara, B. (2018). The most massive black holes on the Fundamental Plane of black hole accretion. Monthly Notices of the Royal Astronomical Society, 474(1), 1342-1360. https://doi.org/10.1093/mnras/stx2812

We perform a detailed study of the location of brightest cluster galaxies (BCGs) on the Fundamental Plane of black hole (BH) accretion, which is an empirical correlation between a BH X-ray and radio luminosity and mass supported by theoretical models... Read More about The most massive black holes on the Fundamental Plane of black hole accretion.

The UKIRT Hemisphere Survey: definition and J-band data release (2017)
Journal Article
Dye, S., Lawrence, A., Read, M., Fan, X., Kerr, T., Varricatt, W., …Tedds, J. (2018). The UKIRT Hemisphere Survey: definition and J-band data release. Monthly Notices of the Royal Astronomical Society, 473(4), 5113-5125. https://doi.org/10.1093/mnras/stx2622

This paper defines the UK Infra-Red Telescope (UKIRT) Hemisphere Survey (UHS) and release of the remaining ∼12 700 deg2 of J-band survey data products. The UHS will provide continuous J- and K-band coverage in the Northern hemisphere from a declinati... Read More about The UKIRT Hemisphere Survey: definition and J-band data release.

Close entrainment of massive molecular gas flows by radio bubbles in the central galaxy of Abell 1795 (2017)
Journal Article
Russell, H., McNamara, B., Fabian, A., Nulsen, P., Combes, F., Edge, A., …Vantyghem, A. (2017). Close entrainment of massive molecular gas flows by radio bubbles in the central galaxy of Abell 1795. Monthly Notices of the Royal Astronomical Society, 472(4), 4024-4037. https://doi.org/10.1093/mnras/stx2255

We present new ALMA observations tracing the morphology and velocity structure of the molecular gas in the central galaxy of the cluster Abell 1795. The molecular gas lies in two filaments that extend 5–7 kpc to the N and S from the nucleus and proje... Read More about Close entrainment of massive molecular gas flows by radio bubbles in the central galaxy of Abell 1795.

An extended cold gas absorber in a central cluster galaxy (2017)
Journal Article
Smith, R. J., & Edge, A. C. (2017). An extended cold gas absorber in a central cluster galaxy. Monthly Notices of the Royal Astronomical Society: Letters, 471(1), L66-L70. https://doi.org/10.1093/mnrasl/slx107

We present the serendipitous discovery of an extended cold gas structure projected close to the brightest cluster galaxy (BCG) of the z = 0.045 cluster Abell 3716, from archival integral field spectroscopy. The gas is revealed through narrow Na D lin... Read More about An extended cold gas absorber in a central cluster galaxy.

Stellar dynamics in the strong-lensing central galaxy of Abell 1201: a low stellar mass-to-light ratio, a large central compact mass and a standard dark matter halo (2017)
Journal Article
Smith, R. J., Lucey, J. R., & Edge, A. C. (2017). Stellar dynamics in the strong-lensing central galaxy of Abell 1201: a low stellar mass-to-light ratio, a large central compact mass and a standard dark matter halo. Monthly Notices of the Royal Astronomical Society, 471(1), 383-393. https://doi.org/10.1093/mnras/stx1573

We analyse the stellar kinematics of the z = 0.169 brightest cluster galaxy in Abell 1201, using integral field observations acquired with the Multi-Unit Spectroscopic Explorer on the Very Large Telescope. This galaxy has a gravitationally lensed arc... Read More about Stellar dynamics in the strong-lensing central galaxy of Abell 1201: a low stellar mass-to-light ratio, a large central compact mass and a standard dark matter halo.

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.

Mass Distribution in Galaxy Cluster Cores (2017)
Journal Article
Hogan, M., McNamara, B., Pulido, F., Nulsen, P., Russell, H., Vantyghem, A., …Main, R. (2017). Mass Distribution in Galaxy Cluster Cores. Astrophysical Journal, 837(1), Article 51. https://doi.org/10.3847/1538-4357/aa5f56

Many processes within galaxy clusters, such as those believed to govern the onset of thermally unstable cooling and active galactic nucleus feedback, are dependent upon local dynamical timescales. However, accurate mapping of the mass distribution wi... Read More about Mass Distribution in Galaxy Cluster Cores.

Alma Observations of Massive Molecular Gas Filaments Encasing Radio Bubbles in the Phoenix Cluster (2017)
Journal Article
Russell, H., McDonald, M., McNamara, B., Fabian, A., Nulsen, P., Bayliss, M., …Vieira, J. (2017). Alma Observations of Massive Molecular Gas Filaments Encasing Radio Bubbles in the Phoenix Cluster. Astrophysical Journal, 836(1), Article 130. https://doi.org/10.3847/1538-4357/836/1/130

We report new ALMA observations of the CO(3-2) line emission from the $2.1\pm 0.3\times {10}^{10}\,{M}_{\odot }$ molecular gas reservoir in the central galaxy of the Phoenix cluster. The cold molecular gas is fueling a vigorous starburst at a rate of... Read More about Alma Observations of Massive Molecular Gas Filaments Encasing Radio Bubbles in the Phoenix Cluster.

The Dependence of Cluster Galaxy Properties on the Central Entropy of Their Host Cluster (2017)
Journal Article
Kim, J., Ko, J., Hwang, H. S., Edge, A. C., Lee, J. H., Lee, J. C., & Jeong, H. (2017). The Dependence of Cluster Galaxy Properties on the Central Entropy of Their Host Cluster. Astrophysical Journal, 836(1), Article 105. https://doi.org/10.3847/1538-4357/aa5b8e

We present a study of the connection between brightest cluster galaxies (BCGs) and their host galaxy clusters. Using galaxy clusters at $0.1\lt z\lt 0.3$ from the Hectospec Cluster Survey (HeCS) with X-ray information from the Archive of Chandra Clus... Read More about The Dependence of Cluster Galaxy Properties on the Central Entropy of Their Host Cluster.

A counter-image to the gravitational arc in Abell 1201: Evidence for IMF variations, or a 10^10 M⊙ black hole? (2017)
Journal Article
Smith, R. J., Lucey, J. R., & Edge, A. C. (2017). A counter-image to the gravitational arc in Abell 1201: Evidence for IMF variations, or a 10^10 M⊙ black hole?. Monthly Notices of the Royal Astronomical Society, 467(1), 836-848. https://doi.org/10.1093/mnras/stx059

Abell 1201 is a massive galaxy cluster at z=0.169 with a brightest cluster galaxy (BCG) that acts as a gravitational lens to a background source at z=0.451. The lensing configuration is unusual, with a single bright arc formed at small radius (∼2 arc... Read More about A counter-image to the gravitational arc in Abell 1201: Evidence for IMF variations, or a 10^10 M⊙ black hole?.

A 13CO Detection in a Brightest Cluster Galaxy (2017)
Journal Article
Vantyghem, A., McNamara, B., Edge, A., Combes, F., Russell, H., Fabian, A., …Salomé, P. (2017). A 13CO Detection in a Brightest Cluster Galaxy. Astrophysical Journal, 848(2), Article 101. https://doi.org/10.3847/1538-4357/aa8fd0

We present ALMA Cycle 4 observations of CO(1-0), CO(3-2), and 13CO(3-2) line emission in the brightest cluster galaxy (BCG) of RXJ0821+0752. This is one of the first detections of 13CO line emission in a galaxy cluster. Half of the CO(3-2) line emiss... Read More about A 13CO Detection in a Brightest Cluster Galaxy.