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How effectively can we identify galaxy mergers?

In this video, I describe my recent publication ‘The limitations (and potential) of non-parametric morphology statistics for post-merger identification’ for non-astronomers.

publications

Convolutional neural network identification of galaxy post-mergers in UNIONS using IllustrisTNG

Published in Monthly Notices of the Royal Astronomical Society, 2021

Bickley R. W., Bottrell C., Hani M., Ellison S. L., Teimoorinia H., Yi K. M., Wilkinson S., Gwyn S., and Hudson M. J. (2021). Convolutional neural network identification of galaxy post-mergers in UNIONS using IllustrisTNG. MNRAS. 504, 372-392 https://ui.adsabs.harvard.edu/abs/2021MNRAS.504..372B/abstract

The merger fraction of post-starburst galaxies in UNIONS

Published in Monthly Notices of the Royal Astronomical Society, 2022

Wilkinson S., Ellison S. L., Bottrell C., Bickley R. W., Gwyn S., Cuillandre J.-C., and Wild V. (2022). The merger fraction of post-starburst galaxies in UNIONS. MNRAS. 516, 4354-4372 https://ui.adsabs.harvard.edu/abs/2022MNRAS.516.4354W/abstract

Galaxy mergers can rapidly shut down star formation

Published in MNRAS Letters, 2022

Ellison S. L., Wilkinson S., Woo J., Leung H., Wild V., Bickley R. W., Patton D. R., Quai S., Gwyn S. (2022). Galaxy mergers can rapidly shut down star formation; MNRAS Letters. 517, L92-L96 https://ui.adsabs.harvard.edu/abs/2022MNRAS.517L..92E/abstract

AGNs in post-mergers from the ultraviolet near infrared optical northern survey

Published in Monthly Notices of the Royal Astronomical Society, 2023

Bickley R. W., Ellison S. L., Patton D. R., and Wilkinson S. (2023). AGNs in post-mergers from the ultraviolet near infrared optical northern survey; MNRAS. 519, 6149-6161 https://ui.adsabs.harvard.edu/abs/2023MNRAS.519.6149B/abstract

The limitations (and potential) of non-parametric morphology statistics for post-merger identification

Published in Monthly Notices of the Royal Astronomical Society, 2024

Wilkinson S., Ellison S. L., Bottrell C., Bickley R. W., Byrne-Mamahit S., Ferreira L., Patton D. R. (2024). The limitations (and potential) of non-parametric morphology statistics for post-merger identification; MNRAS. in press. https://arxiv.org/abs/2401.13654

X-ray AGNs with SRG/eROSITA: Multi-wavelength observations reveal merger triggering and post-coalescence circumnuclear blowout

Published in Monthly Notices of the Royal Astronomical Society, 2024

Bickley R. W., Ellison S. L., Salvato M., Salim S., Patton D. R., Merloni A., Byrne-Mamahit S., Ferreira L. and Wilkinson S. (2024). X-ray AGNs with SRG/eROSITA: Multi-wavelength observations reveal merger triggering and post-coalescence circumnuclear blowout; MNRAS. Submitted https://arxiv.org/abs/2401.17277

Interacting galaxies in the IllustrisTNG simulations – VII: The connection between the most luminous active galactic nuclei and galaxy interactions

Published in Monthly Notices of the Royal Astronomical Society, 2024

Byrne-Mamahit S., Patton D. R., Ellison S. L., Bickley R. W., Ferreira L., Hani M., Quai S., and Wilkinson S. (2024). Interacting galaxies in the IllustrisTNG simulations -- VII: The connection between the most luminous active galactic nuclei and galaxy interactions; MNRAS. in press https://ui.adsabs.harvard.edu/abs/2024arXiv240205196B/abstract