Search Results - "Dalsgaard, J"

Giant star seismology by Hekker, S., Christensen-Dalsgaard, J.

“…The internal properties of stars in the red-giant phase undergo significant changes on relatively short timescales. Long near-uninterrupted high-precision…”
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Asteroseismic detection of latitudinal differential rotation in 13 Sun-like stars by Benomar, O, Bazot, M, Nielsen, M B, Gizon, L, Sekii, T, Takata, M, Hotta, H, Hanasoge, S, Sreenivasan, K R, Christensen-Dalsgaard, J

“…The differentially rotating outer layers of stars are thought to play a role in driving their magnetic activity, but the underlying mechanisms that generate…”
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A Bayesian approach to the modelling of α Cen A by Bazot, M., Bourguignon, S., Christensen-Dalsgaard, J.

“…Abstract Determining the physical characteristics of a star is an inverse problem consisting of estimating the parameters of models for the stellar structure…”
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On the hydrostatic stratification of the solar tachocline by Christensen-Dalsgaard, J, Gough, D O, Knudstrup, E

“…Abstract We present an attempt to reconcile the solar tachocline glitch, a thin layer immediately beneath the convection zone in which the seismically inferred…”
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A more realistic representation of overshoot at the base of the solar convective envelope as seen by helioseismology by Christensen-Dalsgaard, J., Monteiro, M. J. P. F. G., Rempel, M., Thompson, M. J.

“…The stratification near the base of the Sun's convective envelope is governed by processes of convective overshooting and element diffusion, and the region is…”
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THE ASTEROSEISMIC POTENTIAL OF TESS: EXOPLANET-HOST STARS by Campante, T. L., Schofield, M., Kuszlewicz, J. S., Bouma, L., Chaplin, W. J., Huber, D., Christensen-Dalsgaard, J., Kjeldsen, H., Bossini, D., North, T. S. H., Appourchaux, T., Latham, D. W., Pepper, J., Ricker, G. R., Stassun, K. G., Vanderspek, R., Winn, J. N.

“…ABSTRACT New insights on stellar evolution and stellar interior physics are being made possible by asteroseismology. Throughout the course of the Kepler…”
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Hot super-Earths stripped by their host stars by Lundkvist, M. S., Kjeldsen, H., Albrecht, S., Davies, G. R., Basu, S., Huber, D., Justesen, A. B., Karoff, C., Silva Aguirre, V., Van Eylen, V., Vang, C., Arentoft, T., Barclay, T., Bedding, T. R., Campante, T. L., Chaplin, W. J., Christensen-Dalsgaard, J., Elsworth, Y. P., Gilliland, R. L., Handberg, R., Hekker, S., Kawaler, S. D., Lund, M. N., Metcalfe, T. S., Miglio, A., Rowe, J. F., Stello, D., Tingley, B., White, T. R.

“…Simulations predict that hot super-Earth sized exoplanets can have their envelopes stripped by photoevaporation, which would present itself as a lack of these…”
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THE INTERNAL ROTATION PROFILE OF THE B-TYPE STAR KIC 10526294 FROM FREQUENCY INVERSION OF ITS DIPOLE GRAVITY MODES by Triana, S. A., Moravveji, E., Pápics, P. I., Aerts, C., Kawaler, S. D., Christensen-Dalsgaard, J.

“…ABSTRACT The internal angular momentum distribution of a star is the key to determining its evolution. Fortunately, stellar internal rotation can be probed…”
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Verification of asymptotic relation for mixed modes in red giant stars by Jiang, C., Christensen-Dalsgaard, J.

“…High-precision space observations, such as made by the Kepler and CoRoT missions, allow us to detect mixed modes for l = 1 modes in their high signal-to-noise…”
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Is human underwater hearing mediated by bone conduction? by Sørensen, K., Christensen-Dalsgaard, J., Wahlberg, M.

“…•Human underwater hearing sensitivities are 4–22 dB lower than in-air thresholds in terms of sound intensity•Low underwater thresholds are accomplished through…”
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STRUCTURAL GLITCHES NEAR THE CORES OF RED GIANTS REVEALED BY OSCILLATIONS IN G-MODE PERIOD SPACINGS FROM STELLAR MODELS by Cunha, M. S., Stello, D., Avelino, P. P., Christensen-Dalsgaard, J., Townsend, R. H. D.

“…ABSTRACT With recent advances in asteroseismology it is now possible to peer into the cores of red giants, potentially providing a way to study processes such…”
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Ages and fundamental properties of Kepler exoplanet host stars from asteroseismology by Silva Aguirre, V., Davies, G. R., Basu, S., Christensen-Dalsgaard, J., Creevey, O., Metcalfe, T. S., Bedding, T. R., Casagrande, L., Handberg, R., Lund, M. N., Nissen, P. E., Chaplin, W. J., Huber, D., Serenelli, A. M., Stello, D., Van Eylen, V., Campante, T. L., Elsworth, Y., Gilliland, R. L., Hekker, S., Karoff, C., Kawaler, S. D., Kjeldsen, H., Lundkvist, M. S.

“…We present a study of 33 Kepler planet-candidate host stars for which asteroseismic observations have sufficiently high signal-to-noise ratio to allow…”
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Preparation of Kepler light curves for asteroseismic analyses by García, R. A., Hekker, S., Stello, D., Gutiérrez-Soto, J., Handberg, R., Huber, D., Karoff, C., Uytterhoeven, K., Appourchaux, T., Chaplin, W. J., Elsworth, Y., Mathur, S., Ballot, J., Christensen-Dalsgaard, J., Gilliland, R. L., Houdek, G., Jenkins, J. M., Kjeldsen, H., McCauliff, S., Metcalfe, T., Middour, C. K., Molenda-Zakowicz, J., Monteiro, M. J. P. F. G., Smith, J. C., Thompson, M. J.

“…ABSTRACT The Kepler mission is providing photometric data of exquisite quality for the asteroseismic study of different classes of pulsating stars. These…”
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Safety and pharmacokinetics of anti‐TFPI antibody (concizumab) in healthy volunteers and patients with hemophilia: a randomized first human dose trial by Chowdary, P., Lethagen, S., Friedrich, U., Brand, B., Hay, C., Abdul Karim, F., Klamroth, R., Knoebl, P., Laffan, M., Mahlangu, J., Miesbach, W., Dalsgaard Nielsen, J., Martín‐Salces, M., Angchaisuksiri, P.

“…Summary Background Prophylaxis with either intravenous (i.v.) factor VIII (FVIII) or FIX is the gold standard of care for patients with severe hemophilia. A…”
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Analytical modelling of period spacings across the HR diagram by Cunha, M S, Avelino, P P, Christensen-Dalsgaard, J, Stello, D, Vrard, M, Jiang, C, Mosser, B

“…ABSTRACT The characterization of stellar cores may be accomplished through the modelling of asteroseismic data from stars exhibiting either gravity-mode or…”
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Evolution of dipolar mixed-mode coupling factor in red giant stars: impact of buoyancy spike by Jiang, C, Cunha, M, Christensen-Dalsgaard, J, Zhang, Q S, Gizon, L

“…ABSTRACT Mixed modes observed in red giants allow for investigation of the stellar interior structures. One important feature in these structures is the…”
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Variations of the mixing character of dipolar mixed modes in red giant stars by Jiang, C, Cunha, M, Christensen-Dalsgaard, J, Zhang, QS

“…ABSTRACT Because of the high-quality data of space missions, the detection of mixed modes has become possible in numerous stars. In this work, we investigate…”
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Bone conduction pathways confer directional cues to salamanders by Capshaw, G, Christensen-Dalsgaard, J, Soares, D, Carr, C E

“…Sound and vibration are generated by mechanical disturbances within the environment, and the ability to detect and localize these acoustic cues is generally…”
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The contribution of aquaculture systems to global aquaculture production by Verdegem, Marc, Buschmann, Alejandro H., Latt, U. Win, Dalsgaard, Anne J. T., Lovatelli, Alessandro

“…Since 2000, aquaculture became well‐integrated into the global food system. Aquaculture systems are highly diverse, producing globally equal amounts of fed and…”
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Seismic sensitivity and bone conduction mechanisms enable extratympanic hearing in salamanders by Capshaw, G, Soares, D, Christensen-Dalsgaard, J, Carr, C E

“…The tympanic middle ear is an adaptive sensory novelty that evolved multiple times in all the major terrestrial tetrapod groups to overcome the impedance…”
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