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Two distinct molecular cloud populations detected in massive galaxies (2024)
Journal Article
Rose, T., McNamara, B. R., Combes, F., Edge, A. C., McDonald, M., O’Sullivan, E., Russell, H., Fabian, A. C., Ferland, G., Salomé, P., & Tremblay, G. (2024). Two distinct molecular cloud populations detected in massive galaxies. Monthly Notices of the Royal Astronomical Society, 533(1), 771-794. https://doi.org/10.1093/mnras/stae1831

We present new ALMA observations of CO, CN, CS, HCN and HCO + absorption seen against the bright and compact radio continuum sources of eight galaxies. Combined with archival observations, they reveal two distinct populations of molecular clouds, whi... Read More about Two distinct molecular cloud populations detected in massive galaxies.

The Evolution of Galaxies and Clusters at High Spatial Resolution with Advanced X-ray Imaging Satellite (AXIS) (2024)
Journal Article
Russell, H. R., Lopez, L. A., Allen, S. W., Chartas, G., Choudhury, P. P., Dupke, R. A., Fabian, A. C., Flores, A. M., Garofali, K., Hodges-Kluck, E., Koss, M. J., Lanz, L., Lehmer, B. D., Li, J.-T., Maksym, W. P., Mantz, A. B., McDonald, M., Miller, E. D., Mushotzky, R. F., Qiu, Y., …Zhang, C. (2024). The Evolution of Galaxies and Clusters at High Spatial Resolution with Advanced X-ray Imaging Satellite (AXIS). Universe, 10(7), Article 273. https://doi.org/10.3390/universe10070273

Stellar and black hole feedback heat and disperse surrounding cold gas clouds, launching gas flows off circumnuclear and galactic disks, producing a dynamic interstellar medium. On large scales bordering the cosmic web, feedback drives enriched gas o... Read More about The Evolution of Galaxies and Clusters at High Spatial Resolution with Advanced X-ray Imaging Satellite (AXIS).

A cooling flow around the low-redshift quasar H1821+643 (2024)
Journal Article
Russell, H. R., Nulsen, P. E., Fabian, A. C., Braben, T. E., Brandt, W. N., Clews, L., …Veilleux, S. (2024). A cooling flow around the low-redshift quasar H1821+643. Monthly Notices of the Royal Astronomical Society, 528(2), 1863–1878. https://doi.org/10.1093/mnras/stae026

H1821+643 is the nearest quasar hosted by a galaxy cluster. The energy output by the quasar, in the form of intense radiation and radio jets, is captured by the surrounding hot atmosphere. Here, we present a new deep Chandra observation of H1821+643... Read More about A cooling flow around the low-redshift quasar H1821+643.

A massive multiphase plume of gas in Abell 2390's brightest cluster galaxy (2024)
Journal Article
Rose, T., McNamara, B. R., Combes, F., Edge, A. C., Russell, H., Salomé, P., …Tremblay, G. (2024). A massive multiphase plume of gas in Abell 2390's brightest cluster galaxy. Monthly Notices of the Royal Astronomical Society, 528(2), 3441–3455. https://doi.org/10.1093/mnras/stae213

We present new ALMA CO(2-1) observations tracing 2.2 × 10 10 M ⊙ of molecular gas in Abell 2390's brightest cluster galaxy, where half the gas is located in a one-sided plume extending 15 kpc out from the galaxy centre. This molecular gas has a smoot... Read More about A massive multiphase plume of gas in Abell 2390's brightest cluster galaxy.