Search Results - "Ong, J"

Mode Mixing and Rotational Splittings. II. Reconciling Different Approaches to Mode Coupling by Ong, J. M. Joel, Gehan, Charlotte

“…Abstract In the mixed-mode asteroseismology of subgiants and red giants, the coupling between the p- and g- mode cavities must be understood well in order to…”
Get full text

Dependence of X-Ray Burst Models on Nuclear Masses by Schatz, H., Ong, W.-J.

“…X-ray burst model predictions of light curves and the final composition of the nuclear ashes are affected by uncertain nuclear masses. However, not all of…”
Get full text

Semianalytic Expressions for the Isolation and Coupling of Mixed Modes by Ong, J. M. Joel, Basu, Sarbani

“…In the oscillation spectra of giant stars, nonradial modes may be seen to undergo avoided crossings, which produce a characteristic "mode bumping" of the…”
Get full text

Red Giant Rotational Inversion Kernels Need Nonlinear Surface Corrections by Ong, J. M. Joel

“…Abstract Asteroseismology is our only means of measuring the rotations of stars in their interiors, rather than at their surfaces. Some techniques for…”
Get full text

Fossil Signatures of Main-sequence Convective Core Overshoot Estimated through Asteroseismic Analyses by Lindsay, Christopher J., Ong, J. M. Joel, Basu, Sarbani

“…Abstract Some physical processes that occur during a star's main-sequence evolution also affect its post-main-sequence evolution. It is well known that stars…”
Get full text

Mixed Modes and Asteroseismic Surface Effects. I. Analytic Treatment by Joel Ong, J. M., Basu, Sarbani, Roxburgh, Ian W.

“…Abstract Normal-mode oscillation frequencies computed from stellar models differ from those that would be measured from stars with identical interior…”
Get full text

Mode Mixing and Rotational Splittings. I. Near-degeneracy Effects Revisited by Ong, J. M. Joel, Bugnet, Lisa, Basu, Sarbani

“…Abstract Rotation is typically assumed to induce strictly symmetric rotational splitting into the rotational multiplets of pure p - and g -modes. However, for…”
Get full text

Near-core Acoustic Glitches Are Not Oscillatory: Consequences for Asteroseismic Probes of Convective Boundary Mixing by Lindsay, Christopher J., Ong, J. M. Joel, Basu, Sarbani

“…Abstract Asteroseismology has been used extensively in recent years to study the interior structure and physical processes of main-sequence stars. We consider…”
Get full text

Evolutionary and Observational Properties of Red Giant Acoustic Glitch Signatures by Saunders, David P., Ong, J. M. Joel, Basu, Sarbani

“…Abstract While solar-like oscillations in red giants have been observed at massive scales by the Kepler mission, few features of these oscillation mode…”
Get full text

Asteroseismic g-mode period spacings in strongly magnetic rotating stars by Rui, Nicholas Z, Ong, J M Joel, Mathis, Stéphane

“…ABSTRACT Strong magnetic fields are expected to significantly modify the pulsation frequencies of waves propagating in the cores of red giants or in the…”
Get full text

Investigating the Metallicity-Mixing-length Relation by Viani, Lucas S., Basu, Sarbani, J. M., Joel Ong, Bonaca, Ana, Chaplin, William J.

“…Stellar models typically use the mixing-length approximation as a way to implement convection in a simplified manner. While conventionally the value of the…”
Get full text

Mixed Modes and Asteroseismic Surface Effects. II. Subgiant Systematics by Ong, J. M. Joel, Basu, Sarbani, Lund, Mikkel N., Bieryla, Allyson, Viani, Lucas S., Latham, David W.

“…Abstract Models of solar-like oscillators yield acoustic modes at different frequencies than would be seen in actual stars possessing identical interior…”
Get full text

Fractional Flow Reserve–Guided Multivessel Angioplasty in Myocardial Infarction by Smits, Pieter C, Abdel-Wahab, Mohamed, Neumann, Franz-Josef, Boxma-de Klerk, Bianca M, Lunde, Ketil, Schotborgh, Carl E, Piroth, Zsolt, Horak, David, Wlodarczak, Adrian, Ong, Paul J, Hambrecht, Rainer, Angerås, Oskar, Richardt, Gert, Omerovic, Elmir

“…In patients with multivessel disease and STEMI undergoing primary PCI, fractional flow reserve–guided complete revascularization of non–infarct-related…”
Get full text

Updates in Management of Large Hemispheric Infarct by Ong, Charlene J, Chatzidakis, Stefanos, Ong, Jimmy J, Feske, Steven

“…This review delves into updates in management of large hemispheric infarction (LHI), a condition affecting up to 10% of patients with supratentorial strokes…”
Get more information

Quantitative Pupillometry: Not a Clear Predictor of Delayed Cerebral Ischemia After Subarachnoid Hemorrhage by Ong, Charlene J.

“…[...]like many observed phenomena, accurate identification of nuanced pupillary abnormalities requires highly trained assessors, which can limit the…”
Get full text

Coupled Single-Cell CRISPR Screening and Epigenomic Profiling Reveals Causal Gene Regulatory Networks by Rubin, Adam J., Parker, Kevin R., Satpathy, Ansuman T., Qi, Yanyan, Wu, Beijing, Ong, Alvin J., Mumbach, Maxwell R., Ji, Andrew L., Kim, Daniel S., Cho, Seung Woo, Zarnegar, Brian J., Greenleaf, William J., Chang, Howard Y., Khavari, Paul A.

“…Here, we present Perturb-ATAC, a method that combines multiplexed CRISPR interference or knockout with genome-wide chromatin accessibility profiling in single…”
Get full text

Expanding syphilis test uptake using rapid dual self-testing for syphilis and HIV among men who have sex with men in China: A multiarm randomized controlled trial by Wang, Cheng, Ong, Jason J, Zhao, Peizhen, Weideman, Ann Marie, Tang, Weiming, Smith, M Kumi, Marks, Michael, Fu, Hongyun, Cheng, Weibin, Terris-Prestholt, Fern, Zheng, Heping, Tucker, Joseph D, Yang, Bin

“…Low syphilis testing uptake is a major public health issue among men who have sex with men (MSM) in many low- and middle-income countries. Syphilis…”
Get full text

Explaining Deviations from the Scaling Relationship of the Large Frequency Separation by Ong, J. M. Joel, Basu, Sarbani

“…Asteroseismic large frequency separations possess great diagnostic value. However, their expressions as scaling relations are predicated on homology arguments…”
Get full text

Revisiting the Red Giant Branch Hosts KOI-3886 and ι Draconis. Detailed Asteroseismic Modeling and Consolidated Stellar Parameters by Campante, Tiago L., Li, Tanda, Ong, J. M. Joel, Corsaro, Enrico, Cunha, Margarida S., Bedding, Timothy R., Bossini, Diego, Breton, Sylvain N., Buzasi, Derek L., Chaplin, William J., Deal, Morgan, García, Rafael A., Hill, Michelle L., Hon, Marc, Huber, Daniel, Jiang, Chen, Kane, Stephen R., Kayhan, Cenk, Kuszlewicz, James S., Lillo-Box, Jorge, Mathur, Savita, F. G. Monteiro, Mário J. P., Pereira, Filipe, Santos, Nuno C., Serenelli, Aldo, Stello, Dennis

“…Abstract Asteroseismology is playing an increasingly important role in the characterization of red giant host stars and their planetary systems. Here, we…”
Get full text

Differential Modeling Systematics across the HR Diagram from Asteroseismic Surface Corrections by Ong, J. M. Joel, Basu, Sarbani, McKeever, Jean M.

“…Localized modeling error in the near-surface layers of evolutionary stellar models causes the frequencies of their normal modes of oscillation to differ from…”
Get full text