Zobrazeno 1 - 10
of 80 913
pro vyhledávání: '"Price, A. J."'
Segmenting stroke lesions in Magnetic Resonance Imaging (MRI) is challenging due to diverse clinical imaging domains, with existing models struggling to generalise across different MRI acquisition parameters and sequences. In this work, we propose tw
Externí odkaz:
http://arxiv.org/abs/2412.03318
Autor:
Wagner, Andreas, Price, Daniel J., Bourgeois, Slava, Daei, Farhad, Pomoell, Jens, Poedts, Stefaan, Kumari, Anshu, Barata, Teresa, Erdélyi, Robertus, Kilpua, Emilia K. J.
Publikováno v:
A&A 692, A74 (2024)
We investigate the effect of data-driving on flux rope eruptivity in magnetic field simulations by analysing fully data-driven modelling results of active region (AR) 12473 and AR11176, as well as preforming relaxation runs for AR12473 (found to be e
Externí odkaz:
http://arxiv.org/abs/2410.18672
Autor:
Calcino, Josh, Price, Daniel J., Hilder, Thomas, Christiaens, Valentin, Speedie, Jessica, Ormel, Chris W.
Late-stage infall onto evolved protoplanetary discs is an important source of material and angular momentum replenishment, and disc substructures. In this paper we used 3D smoothed particle hydrodynamics simulations to model streamer-disc interaction
Externí odkaz:
http://arxiv.org/abs/2410.18521
Autor:
Rowther, Sahl, Price, Daniel J., Pinte, Christophe, Nealon, Rebecca, Meru, Farzana, Alexander, Richard
Irradiation from the central star controls the temperature structure in protoplanetary discs. Yet simulations of gravitational instability typically use models of stellar irradiation with varying complexity, or ignore it altogether, assuming heat gen
Externí odkaz:
http://arxiv.org/abs/2409.10765
Autor:
Calcino, Josh, Norfolk, Brodie, Price, Daniel J., Hilder, Thomas, Speedie, Jessica, Pinte, Christophe, Garg, Himanshi, Teague, Richard, Hall, Cassandra, Stadler, Jochen
Kinematic studies of protoplanetary discs are a valuable method for uncovering hidden companions. In the first paper of this series, we presented five morphological and kinematic criteria that aid in asserting the binary nature of a protoplanetary di
Externí odkaz:
http://arxiv.org/abs/2407.21309
Autor:
Danilovich, T., Malfait, J., Van de Sande, M., Montargès, M., Kervella, P., De Ceuster, F., Coenegrachts, A., Millar, T. J., Richards, A. M. S., Decin, L., Gottlieb, C. A., Pinte, C., De Beck, E., Price, D. J., Wong, K. T., Bolte, J., Menten, K. M., Baudry, A., de Koter, A., Etoka, S., Gobrecht, D., Gray, M., Herpin, F., Jeste, M., Lagadec, E., Maes, S., McDonald, I., Marinho, L., Müller, H. S. P., Pimpanuwat, B., Plane, J. M. C., Sahai, R., Wallström, S. H. J., Yates, J., Zijlstra, A.
Publikováno v:
Nature Astronomy, 8, pages 308-327 (2024)
Binary interactions have been proposed to explain a variety of circumstellar structures seen around evolved stars, including asymptotic giant branch (AGB) stars and planetary nebulae. Studies resolving the circumstellar envelopes of AGB stars have re
Externí odkaz:
http://arxiv.org/abs/2407.16979
Autor:
Price, Daniel J.
For the past 20 years, our approach to shock capturing in smoothed particle hydrodynamics (SPH) has been to use artificial viscosity and conductivity terms supplemented by switches to control excess dissipation away from shocks (Monaghan 1997; Morris
Externí odkaz:
http://arxiv.org/abs/2407.10176
Autor:
Bermúdez-Bustamante, Luis C., De Marco, Orsola, Siess, Lionel, Price, Daniel J., González-Bolívar, Miguel, Lau, Mike Y. M., Mu, Chunliang, Hirai, Ryosuke, Danilovich, Taïssa, Kasliwal, Mansi
We performed numerical simulations of the common envelope (CE) interaction between two intermediate-mass asymptotic giant branch (AGB) stars and their low-mass companions. For the first time, formation and growth of dust in the envelope is calculated
Externí odkaz:
http://arxiv.org/abs/2407.07414
Publikováno v:
A&A 688, A31 (2024)
Context: In protoplanetary discs, micron-sized dust grows to form millimetre- to centimetre-sized pebbles but encounters several barriers during its evolution. Collisional fragmentation and radial drift impede further dust growth to planetesimal size
Externí odkaz:
http://arxiv.org/abs/2406.15622
Autor:
Alaguero, Antoine, Cuello, Nicolás, Ménard, François, Ceppi, Simone, Ribas, Álvaro, Nealon, Rebecca, Vioque, Miguel, Izquierdo, Andrés, Miley, James, Macías, Enrique, Price, Daniel J.
Publikováno v:
A&A 687, A311 (2024)
V892 Tau is a young binary star surrounded by a circumbinary disc which show hints of interaction with the low-mass nearby star V892 Tau NE. The goal of this paper is to constrain the orbit of V892 Tau NE and to determine the resulting circumbinary d
Externí odkaz:
http://arxiv.org/abs/2405.12593