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Dr Anna McLeod's Outputs (53)

Bringing Stellar Evolution and Feedback Together: Summary of Proposals from the Lorentz Center Workshop (2023)
Journal Article
Geen, S., Agrawal, P., Crowther, P. A., Keller, B., de Koter, A., Keszthelyi, Z., van de Voort, F., Ali, A. A., Backs, F., Bonne, L., Brugaletta, V., Derkink, A., Ekström, S., Fichtner, Y. A., Grassitelli, L., Götberg, Y., Higgins, E. R., Laplace, E., You Liow, K., Lorenzo, M., …Winch, E. (2023). Bringing Stellar Evolution and Feedback Together: Summary of Proposals from the Lorentz Center Workshop. Publications of the Astronomical Society of the Pacific, 135(1044), Article 021001. https://doi.org/10.1088/1538-3873/acb6b5

Stars strongly impact their environment, and shape structures on all scales throughout the universe, in a process known as "feedback." Due to the complexity of both stellar evolution and the physics of larger astrophysical structures, there remain ma... Read More about Bringing Stellar Evolution and Feedback Together: Summary of Proposals from the Lorentz Center Workshop.

A machine learning approach to galactic emission-line region classification (2023)
Journal Article
Rhea, C. L., Rousseau-Nepton, L., Moumen, I., Prunet, S., Hlavacek-Larrondo, J., Grasha, K., …Chemin, L. (2023). A machine learning approach to galactic emission-line region classification. RAS Techniques and Instruments, 2(1), 345-359. https://doi.org/10.1093/rasti/rzad023

Diagnostic diagrams of emission-line ratios have been used extensively to categorize extragalactic emission regions; however, these diagnostics are occasionally at odds with each other due to differing definitions. In this work, we study the applicab... Read More about A machine learning approach to galactic emission-line region classification.

A Panchromatic Study of Massive Stars in the Extremely Metal-poor Local Group Dwarf Galaxy Leo A* (2022)
Journal Article
Gull, M., Weisz, D. R., Senchyna, P., Sandford, N. R., Choi, Y., McLeod, A. F., …Williams, B. F. (2022). A Panchromatic Study of Massive Stars in the Extremely Metal-poor Local Group Dwarf Galaxy Leo A*. Astrophysical Journal, 941(2), Article 206. https://doi.org/10.3847/1538-4357/aca295

We characterize massive stars (M > 8 M⊙) in the nearby (D ∼ 0.8 Mpc) extremely metal-poor (Z ∼ 5% Z⊙) galaxy Leo A using Hubble Space Telescope ultraviolet (UV), optical, and near-infrared (NIR) imaging along with Keck/Low-Resolution Imaging Spectrog... Read More about A Panchromatic Study of Massive Stars in the Extremely Metal-poor Local Group Dwarf Galaxy Leo A*.

Stellar feedback in M 83 as observed with MUSE II. Analysis of the H II region population: Ionisation budget and pre-SN feedback (2022)
Journal Article
Della Bruna, L., Adamo, A., McLeod, A. F., Smith, L. J., Savard, G., Robert, C., Sun, J., Amram, P., Bik, A., Blair, W. P., Long, K. S., Renaud, F., Walterbos, R., & Usher, C. (2022). Stellar feedback in M 83 as observed with MUSE II. Analysis of the H II region population: Ionisation budget and pre-SN feedback. Astronomy & Astrophysics, 666, Article A29. https://doi.org/10.1051/0004-6361/202243395

Context. Energy and momentum injected by young, massive stars into the surrounding gas play an important role in regulating further star formation and in determining the galaxy’s global properties. Before supernovae begin to explode, stellar feedback... Read More about Stellar feedback in M 83 as observed with MUSE II. Analysis of the H II region population: Ionisation budget and pre-SN feedback.

Linking stellar populations to H II regions across nearby galaxies (2022)
Journal Article
Barnes, A., Chandar, R., Kreckel, K., Glover, S., Scheuermann, F., Belfiore, F., Bigiel, F., Blanc, G., Boquien, M., den Brok, J., Congiu, E., Chevance, M., Dale, D., Deger, S., Kruijssen, J., Egorov, O., Eibensteiner, C., Emsellem, E., Grasha, K., Groves, B., …Williams, T. (2022). Linking stellar populations to H II regions across nearby galaxies. Astronomy & Astrophysics, 662, https://doi.org/10.1051/0004-6361/202243766

Context. Stellar feedback is one of the fundamental factors regulating the evolution of galaxies. However, we still do not have access to strong observational constraints on the relative importance of the different feedback mechanisms (e.g. radiation... Read More about Linking stellar populations to H II regions across nearby galaxies.

Supernova Remnants in M83 as Observed with MUSE (2022)
Journal Article
Long, K. S., Blair, W. P., Winkler, P. F., Della Bruna, L., Adamo, A., McLeod, A. F., & Amram, P. (2022). Supernova Remnants in M83 as Observed with MUSE. Astrophysical Journal, 929(2), Article 144. https://doi.org/10.3847/1538-4357/ac5aa3

Here we describe a new study of the supernova remnants (SNRs) and SNR candidates in nearby face-on spiral galaxy M83, based primarily on MUSE integral field spectroscopy. Our revised catalog of SNR candidates in M83 has 366 objects, 81 of which are r... Read More about Supernova Remnants in M83 as Observed with MUSE.

Stellar feedback in M83 as observed with MUSE: I. Overview, an unprecedented view of the stellar and gas kinematics and evidence of outflowing gas (2022)
Journal Article
Della Bruna, L., Adamo, A., Amram, P., Rosolowsky, E., Usher, C., Sirressi, M., Schruba, A., Emsellem, E., Leroy, A., Bik, A., Blair, W. P., McLeod, A. F., Östlin, G., Renaud, F., Robert, C., Rousseau-Nepton, L., & Smith, L. J. (2022). Stellar feedback in M83 as observed with MUSE: I. Overview, an unprecedented view of the stellar and gas kinematics and evidence of outflowing gas. Astronomy & Astrophysics, 660, Article A77. https://doi.org/10.1051/0004-6361/202142315

Context. Young massive stars inject energy and momentum into the surrounding gas, creating a multi-phase interstellar medium (ISM) and regulating further star formation. The main challenge of studying stellar feedback proves to be the variety of scal... Read More about Stellar feedback in M83 as observed with MUSE: I. Overview, an unprecedented view of the stellar and gas kinematics and evidence of outflowing gas.

The role of thermal and non-thermal processes in the ISM of the Magellanic Clouds (2021)
Journal Article
Hassani, H., Tabatabaei, F., Hughes, A., Chastenet, J., McLeod, A., Schinnerer, E., & Nasiri, S. (2022). The role of thermal and non-thermal processes in the ISM of the Magellanic Clouds. Monthly Notices of the Royal Astronomical Society, 510(1), 11-31. https://doi.org/10.1093/mnras/stab3202

Radio continuum emission is a dust-unbiased tracer of both thermal and non-thermal processes in the interstellar medium. We present new maps of the free–free and synchrotron emission in the Magellanic Clouds (MCs) at 0.166, 1.4, and 4.8 GHz with no p... Read More about The role of thermal and non-thermal processes in the ISM of the Magellanic Clouds.

The impact of pre-supernova feedback and its dependence on environment (2021)
Journal Article
McLeod, A. F., Ali, A. A., Chevance, M., Bruna, L. D., Schruba, A., Stevance, H. F., Adamo, A., Kruijssen, J. D., Longmore, S. N., Weisz, D. R., & Zeidler, P. (2021). The impact of pre-supernova feedback and its dependence on environment. Monthly Notices of the Royal Astronomical Society, 508(4), 5425-5448. https://doi.org/10.1093/mnras/stab2726

Integral field units enable resolved studies of a large number of star-forming regions across entire nearby galaxies, providing insight on the conversion of gas into stars and the feedback from the emerging stellar populations over unprecedented dyna... Read More about The impact of pre-supernova feedback and its dependence on environment.

The Young Massive Star Cluster Westerlund 2 Observed with MUSE. III. A Cluster in Motion—The Complex Internal Dynamics (2021)
Journal Article
Zeidler, P., Sabbi, E., Nota, A., & McLeod, A. F. (2021). The Young Massive Star Cluster Westerlund 2 Observed with MUSE. III. A Cluster in Motion—The Complex Internal Dynamics. Astronomical Journal, 161(3), Article 140. https://doi.org/10.3847/1538-3881/abd6ca

Analyzing the dynamical state of nearby young massive star clusters is essential for understanding star cluster formation and evolution during their earliest stages. In this work we analyze the stellar and gas kinematics of the young massive star clu... Read More about The Young Massive Star Cluster Westerlund 2 Observed with MUSE. III. A Cluster in Motion—The Complex Internal Dynamics.

IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane (2020)
Journal Article
Monguió, M., Greimel, R., Drew, J., Barentsen, G., Groot, P., Irwin, M., Casares, J., Gänsicke, B., Carter, P., Corral-Santana, J., Gentile-Fusillo, N., Greiss, S., van Haaften, L., Hollands, M., Jones, D., Kupfer, T., Manser, C., Murphy, D., McLeod, A., Oosting, T., …Zegmott, T. (2020). IGAPS: the merged IPHAS and UVEX optical surveys of the northern Galactic plane. Astronomy & Astrophysics, 638, https://doi.org/10.1051/0004-6361/201937333

Stellar Feedback and Resolved Stellar IFU Spectroscopy in the Nearby Spiral Galaxy NGC 300 (2020)
Journal Article
McLeod, A. F., Kruijssen, J. D., Weisz, D. R., Zeidler, P., Schruba, A., Dalcanton, J. J., Longmore, S. N., Chevance, M., Faesi, C. M., & Byler, N. (2020). Stellar Feedback and Resolved Stellar IFU Spectroscopy in the Nearby Spiral Galaxy NGC 300. Astrophysical Journal, 891(1), https://doi.org/10.3847/1538-4357/ab6d63

We present MUSE integral field unit (IFU) observations of five individual H ii regions in two giant star-forming complexes in the low-metallicity, nearby dwarf spiral galaxy NGC 300. In combination with high spatial resolution Hubble Space Telescope... Read More about Stellar Feedback and Resolved Stellar IFU Spectroscopy in the Nearby Spiral Galaxy NGC 300.