Search Results - "Kjeldsen, H."

An asteroseismic view of the radius valley: stripped cores, not born rocky by Van Eylen, V, Agentoft, Camilla, Lundkvist, M S, Kjeldsen, H, Owen, J E, Fulton, B J, Petigura, E, Snellen, I

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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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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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THE ROLE OF TURBULENT PRESSURE AS A COHERENT PULSATIONAL DRIVING MECHANISM: THE CASE OF THE δ SCUTI STAR HD 187547 by Antoci, V, Cunha, M, Houdek, G, Kjeldsen, H, Trampedach, R, Handler, G, LUFTINGER, T, Arentoft, T, Murphy, S

“…HD 187547 was the first candidate that led to the suggestion that solar-like oscillations are present in delta Scuti stars. Longer observations, however, show…”
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Oscillation frequencies for 35 Kepler solar-type planet-hosting stars using Bayesian techniques and machine learning by Davies, G. R., Aguirre, V. Silva, Bedding, T. R., Handberg, R., Lund, M. N., Chaplin, W. J., Huber, D., White, T. R., Benomar, O., Hekker, S., Basu, S., Campante, T. L., Christensen-Dalsgaard, J., Elsworth, Y., Karoff, C., Kjeldsen, H., Lundkvist, M. S., Metcalfe, T. S., Stello, D.

“…Kepler has revolutionized our understanding of both exoplanets and their host stars. Asteroseismology is a valuable tool in the characterization of stars and…”
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Gas exchange, rumen hydrogen sinks, and nutrient digestibility and metabolism in lactating dairy cows fed 3-nitrooxypropanol and cracked rapeseed by Kjeldsen, Maria H., Weisbjerg, Martin R., Larsen, Mogens, Højberg, Ole, Ohlsson, Christer, Walker, Nicola, Hellwing, Anne Louise F., Lund, Peter

“…Fat in the form of cracked rapeseed and 3-nitrooxypropanol (3-NOP, market as Bovaer) were fed alone or in combination to 4 Danish Holstein multicannulated…”
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Predicting CO2 production of lactating dairy cows from animal, dietary, and production traits using an international dataset by Kjeldsen, M. H, Johansen, M., Weisbjerg, M.R., Hellwing, A.L.F., Bannink, A., Colombini, S., Crompton, L., Dijkstra, J., Eugène, M., Guinguina, A., Hristov, A.N., Huhtanen, P., Jonker, A., Kreuzer, M., Kuhla, B., Martin, C., Moate, P.J., Niu, P., Peiren, N., Reynolds, C., Williams, S.R.O., Lund, P.

“…The list of standard abbreviations for JDS is available at adsa.org/jds-abbreviations-24. Nonstandard abbreviations are available in the Notes. Automated…”
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First Results from the Hertzsprung SONG Telescope: Asteroseismology of the G5 Subgiant Star μ Herculis by Grundahl, F., Andersen, M. Fredslund, Christensen-Dalsgaard, J., Antoci, V., Kjeldsen, H., Handberg, R., Houdek, G., Bedding, T. R., Pallé, P. L., Jessen-Hansen, J., Aguirre, V. Silva, White, T. R., Frandsen, S., Albrecht, S., Andersen, M. I., Arentoft, T., Brogaard, K., Chaplin, W. J., Harpsøe, K., Jørgensen, U. G., Karovicova, I., Karoff, C., Rasmussen, P. Kjærgaard, Lund, M. N., Lundkvist, M. Sloth, Skottfelt, J., Norup Sørensen, A., Tronsgaard, R., Weiss, E.

“…Abstract We report the first asteroseismic results obtained with the Hertzsprung Stellar Observations Network Group Telescope from an extensive high-precision…”
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Asteroseismology of old open clusters with Kepler: direct estimate of the integrated red giant branch mass-loss in NGC 6791 and 6819 by Miglio, A., Brogaard, K., Stello, D., Chaplin, W. J., D'Antona, F., Montalbán, J., Basu, S., Bressan, A., Grundahl, F., Pinsonneault, M., Serenelli, A. M., Elsworth, Y., Hekker, S., Kallinger, T., Mosser, B., Ventura, P., Bonanno, A., Noels, A., Silva Aguirre, V., Szabo, R., Li, J., McCauliff, S., Middour, C. K., Kjeldsen, H.

“…Mass-loss of red giant branch (RGB) stars is still poorly determined, despite its crucial role in the chemical enrichment of galaxies. Thanks to the recent…”
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Surface correction of main-sequence solar-like oscillators with the Kepler LEGACY sample by Compton, D L, Bedding, T R, Ball, W H, Stello, D, Huber, D, White, T R, Kjeldsen, H

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First Results on RR Lyrae Stars with the TESS Space Telescope: Untangling the Connections between Mode Content, Colors, and Distances by Molnár, L., Bódi, A., Pál, A., Bhardwaj, A., Hambsch, F–J., Benkő, J. M., Derekas, A., Ebadi, M., Joyce, M., Hasanzadeh, A., Kolenberg, K., Lund, M. B., Nemec, J. M., Netzel, H., Ngeow, C. –C., Pepper, J., Plachy, E., Prudil, Z., Siverd, R. J., Skarka, M., Smolec, R., Sódor, Á., Sylla, S., Szabó, P., Szabó, R., Kjeldsen, H., Christensen-Dalsgaard, J., Ricker, G. R.

“…Abstract The Transiting Exoplanet Survey Satellite (TESS) space telescope is collecting continuous, high-precision optical photometry of stars throughout the…”
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TESTING SCALING RELATIONS FOR SOLAR-LIKE OSCILLATIONS FROM THE MAIN SEQUENCE TO RED GIANTS USING KEPLER DATA by HUBER, D, BEDDING, T. R, ELSWORTH, Y. P, HALE, S. J, KALLINGER, T, SILVA AGUIRRE, V, CHAPLIN, W. J, DE RIDDER, J, GARCIA, R. A, APPOURCHAUX, T, FRANDSEN, S, HOUDEK, G, STELLO, D, MOLENDA-ZAKOWICZ, J, MONTEIRO, M. J. P. F. G, CHRISTENSEN-DALSGAARD, J, GILLILAND, R. L, KAWALER, S. D, KJELDSEN, H, BROOMHALL, A. M, CORSARO, E, SALABERT, D, SANDERFER, D. T, HEKKER, S, SEADER, S. E, SMITH, J. C, MATHUR, S, MOSSER, B, VERNER, G. A, BONANNO, A, BUZASI, D. L, CAMPANTE, T. L

“…We have analyzed solar-like oscillations in ~1700 stars observed by the Kepler Mission, spanning from the main sequence to the red clump. Using evolutionary…”
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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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Kepler's Optical Phase Curve of the Exoplanet HAT-P-7b by Borucki, W.J, Koch, D, Jenkins, J, Sasselov, D, Gilliland, R, Batalha, N, Latham, D.W, Caldwell, D, Basri, G, Brown, T, Christensen-Dalsgaard, J, Cochran, W.D, DeVore, E, Dunham, E, Dupree, A.K, Gautier, T, Geary, J, Gould, A, Howell, S, Kjeldsen, H, Lissauer, J, Marcy, G, Meibom, S, Morrison, D, Tarter, J

“…Ten days of photometric data were obtained during the commissioning phase of the Kepler mission, including data for the previously known giant transiting…”
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Convective-core Overshoot and Suppression of Oscillations: Constraints from Red Giants in NGC 6811 by Arentoft, T., Brogaard, K., Jessen-Hansen, J., Silva Aguirre, V., Kjeldsen, H., Mosumgaard, J. R., Sandquist, E. L.

“…Using data from the NASA spacecraft Kepler, we study solar-like oscillations in red giant stars in the open cluster NGC 6811. We determine oscillation…”
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The Octave (Birmingham–Sheffield Hallam) automated pipeline for extracting oscillation parameters of solar-like main-sequence stars by Hekker, S., Broomhall, A.-M., Chaplin, W. J., Elsworth, Y. P., Fletcher, S. T., New, R., Arentoft, T., Quirion, P.-O., Kjeldsen, H.

“…The number of main-sequence stars for which we can observe solar-like oscillations is expected to increase considerably with the short-cadence high-precision…”
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FUNDAMENTAL PROPERTIES OF STARS USING ASTEROSEISMOLOGY FROM KEPLER AND CoRoT AND INTERFEROMETRY FROM THE CHARA ARRAY by HUBER, D, IRELAND, M. J, SILVA AGUIRRE, V, SOUSA, S. G, BARCLAY, T, BURKE, C. J, CHAPLIN, W. J, CHRISTENSEN-OALSGAARD, J, CUNHA, M. S, DE RIDDER, J, FARRINGTON, C. D, FRASCA, A, BEDDING, T. R, GARCIA, R. A, GILLIL, R. L, GOLDFINGER, P. J, HEKKER, S, KAWALER, S. D, KJELDSEN, H, MCALISTER, H. A, METCALFE, T. S, MIGLIO, A, MONTEIRO, M. J. P. F. G, BRANDAO, I. M, PINSONNEAULT, M. H, SCHAEFER, G. H, STELLO, D, STUMPE, M. C, STURMANN, J, STURMANN, L, TEN BRUMMELAAR, T. A, THOMPSON, M. J, TURNER, N, UYTTERHOEVEN, K, PIAU, L, MAESTRO, V, WHITE, T. R, BRUNTT, H, CASAGRANDE, L, MOLENDA-ZAKOWICZ, J

“…We present results of a long-baseline interferometry campaign using the PAVO beam combiner at the CHARA Array to measure the angular sizes of five…”
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Does Kepler unveil the mystery of the Blazhko effect? First detection of period doubling in Kepler Blazhko RR Lyrae stars by Szabó, R., Kolláth, Z., Molnár, L., Kolenberg, K., Kurtz, D. W., Bryson, S. T., Benkő, J. M., Christensen-Dalsgaard, J., Kjeldsen, H., Borucki, W. J., Koch, D., Twicken, J. D., Chadid, M., Criscienzo, M. Di, Jeon, Y-B., Moskalik, P., Nemec, J. M., Nuspl, J.

“…The first detection of the period doubling phenomenon is reported in the Kepler RR Lyrae stars RR Lyr, V808 Cyg and V355 Lyr. Interestingly, all these…”
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WHAT ASTEROSEISMOLOGY CAN DO FOR EXOPLANETS: KEPLER-410A b IS A SMALL NEPTUNE AROUND A BRIGHT STAR, IN AN ECCENTRIC ORBIT CONSISTENT WITH LOW OBLIQUITY by VAN EYLEN, V, Lund, M N, Aguirre, V Silva, Arentoft, T, Kjeldsen, H, Albrecht, S, Chaplin, W J, Isaacson, H, Pedersen, M G, Jessen-Hansen, J, Tingley, B, Christensen-Dalsgaard, J, Aerts, C, CAMPANTE, T L, Bryson, S T

“…We confirm the Kepler planet candidate Kepler-410A b (KOI-42b) as a Neptune-sized exoplanet on a 17.8 day, eccentric orbit around the bright (K sub(p) = 9.4)…”
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