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My research primarily focuses on the modelling and interpretation of optical spectral lines from solar flares. I specialise in radiative transfer with time-dependent atomic populations outside of local thermodynamic equilibrium, and also the application of machine learning to invert this problem in observations in a computationally tractable manner.
Peat, A. W., Osborne, C. M.J. and Heinzel, P. (2024) Doppler dimming and brightening effects in solar prominences. Monthly Notices of the Royal Astronomical Society: Letters, 533(1), L19-L24. (doi: 10.1093/mnrasl/slae055)
Hudson, H. S. , Cliver, E. W., Fletcher, L. , Diver, D. A. , Gallagher, P. T., Li, Y., Osborne, C. M.J., Stark, C. and Su, Y. (2024) An impulsive geomagnetic effect from an early-impulsive flare. Monthly Notices of the Royal Astronomical Society, 532(3), pp. 3120-3125. (doi: 10.1093/mnras/stae1720)
Jenkins, J. M., Osborne, C. M. J., Qiu, Y., Keppens, R. and Li, C. (2024) The bright rim prominences according to 2.5D radiative transfer. Astrophysical Journal Letters, 964(2), L34. (doi: 10.3847/2041-8213/ad3423)
Osborne, C. M. J. and Fletcher, L. (2022) Flare kernels may be smaller than you think: modelling the radiative response of chromospheric plasma adjacent to a solar flare. Monthly Notices of the Royal Astronomical Society, 516(4), pp. 6066-6074. (doi: 10.1093/mnras/stac2570)
Osborne, C. M.J. and Milić, I. (2021) The Lightweaver framework for nonlocal thermal equlibrum radiative transfer in Python. Astrophysical Journal, 917(1), 14. (doi: 10.3847/1538-4357/ac02be)
Armstrong, J. A. , Osborne, C. M.J. and Fletcher, L. (2020) Deep learning for the Sun. Astronomy and Geophysics, 61(3), 3.34-3.39. (doi: 10.1093/astrogeo/ataa044)
Osborne, C. M.J. and Simoes, P. J.A. (2019) Thyr: a volumetric ray-marching tool for simulating microwave emission. Monthly Notices of the Royal Astronomical Society, 485(3), pp. 3386-3397. (doi: 10.1093/mnras/stz660)
Osborne, C. M.J., Armstrong, J. A. and Fletcher, L. (2019) RADYNVERSION: Learning to invert a solar flare atmosphere with invertible neural networks. Astrophysical Journal, 873, 128. (doi: 10.3847/1538-4357/ab07b4)
Peat, A. W., Osborne, C. M.J. and Heinzel, P. (2024) Doppler dimming and brightening effects in solar prominences. Monthly Notices of the Royal Astronomical Society: Letters, 533(1), L19-L24. (doi: 10.1093/mnrasl/slae055)
Hudson, H. S. , Cliver, E. W., Fletcher, L. , Diver, D. A. , Gallagher, P. T., Li, Y., Osborne, C. M.J., Stark, C. and Su, Y. (2024) An impulsive geomagnetic effect from an early-impulsive flare. Monthly Notices of the Royal Astronomical Society, 532(3), pp. 3120-3125. (doi: 10.1093/mnras/stae1720)
Jenkins, J. M., Osborne, C. M. J., Qiu, Y., Keppens, R. and Li, C. (2024) The bright rim prominences according to 2.5D radiative transfer. Astrophysical Journal Letters, 964(2), L34. (doi: 10.3847/2041-8213/ad3423)
Osborne, C. M. J. and Fletcher, L. (2022) Flare kernels may be smaller than you think: modelling the radiative response of chromospheric plasma adjacent to a solar flare. Monthly Notices of the Royal Astronomical Society, 516(4), pp. 6066-6074. (doi: 10.1093/mnras/stac2570)
Osborne, C. M.J. and Milić, I. (2021) The Lightweaver framework for nonlocal thermal equlibrum radiative transfer in Python. Astrophysical Journal, 917(1), 14. (doi: 10.3847/1538-4357/ac02be)
Armstrong, J. A. , Osborne, C. M.J. and Fletcher, L. (2020) Deep learning for the Sun. Astronomy and Geophysics, 61(3), 3.34-3.39. (doi: 10.1093/astrogeo/ataa044)
Osborne, C. M.J. and Simoes, P. J.A. (2019) Thyr: a volumetric ray-marching tool for simulating microwave emission. Monthly Notices of the Royal Astronomical Society, 485(3), pp. 3386-3397. (doi: 10.1093/mnras/stz660)
Osborne, C. M.J., Armstrong, J. A. and Fletcher, L. (2019) RADYNVERSION: Learning to invert a solar flare atmosphere with invertible neural networks. Astrophysical Journal, 873, 128. (doi: 10.3847/1538-4357/ab07b4)
Peat, A., Osborne, C. and Heinzel, P. (2024) Data for Doppler Dimming and Brightening Effects in Solar Prominences. [Data Collection]
Osborne, C. (2021) Ca II Photoionisation Flare Simulations. [Data Collection]
