Search Results - "Brogaard, K."

Asteroseismology of overmassive, undermassive, and potential past members of the open cluster NGC 6791 by Brogaard, K, Arentoft, T, Jessen-Hansen, J, Miglio, A

“…ABSTRACT We perform an asteroseismic investigation of giant stars in the field of NGC 6791 with previous indications of atypical evolution. The analysis uses…”
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Establishing the accuracy of asteroseismic mass and radius estimates of giant stars – I. Three eclipsing systems at [Fe/H] ∼ −0.3 and the need for a large high-precision sample by Brogaard, K, Hansen, C J, Miglio, A, Slumstrup, D, Frandsen, S, Jessen-Hansen, J, Lund, M N, Bossini, D, Thygesen, A, Davies,  G R, Chaplin, W J, Arentoft, T, Bruntt, H, Grundahl, F, Handberg, R

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Detection of solar-like oscillations in relics of the Milky Way: asteroseismology of K giants in M4 using data from the NASA K2 mission by Miglio, A., Chaplin, W. J., Brogaard, K., Lund, M. N., Mosser, B., Davies, G. R., Handberg, R., Milone, A. P., Marino, A. F., Bossini, D., Elsworth, Y. P., Grundahl, F., Arentoft, T., Bedin, L. R., Campante, T. L., Jessen-Hansen, J., Jones, C. D., Kuszlewicz, J. S., Malavolta, L., Nascimbeni, V., Sandquist, E. L.

“…Asteroseismic constraints on K giants make it possible to infer radii, masses and ages of tens of thousands of field stars. Tests against independent estimates…”
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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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Testing asteroseismic scaling relations using eclipsing binaries in star clusters and the field by Brogaard, K., Jessen-Hansen, J., Handberg, R., Arentoft, T., Frandsen, S., Grundahl, F., Bruntt, H., Sandquist, E. L., Miglio, A., Beck, P. G., Thygesen, A. O., Kjærgaard, K. L., Haugaard, N. A.

“…The accuracy of stellar masses and radii determined from asteroseismology is not known! We examine this issue for giant stars by comparing classical…”
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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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Establishing the accuracy of asteroseismic mass and radius estimates of giant stars – II. Revised stellar masses and radii for KIC 8430105 by Thomsen, J S, Brogaard, K, Arentoft, T, Slumstrup, D, Lund, M N, Grundahl, F, Miglio, A, Jessen-Hansen, J, Frandsen, S

“…ABSTRACT Asteroseismic scaling relations can provide high-precision measurements of mass and radius for red giant (RG) stars displaying solar-like…”
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The blue straggler V106 in NGC 6791: a prototype progenitor of old single giants masquerading as young by Brogaard, K, Christiansen, S M, Grundahl, F, Miglio, A, Izzard, R G, Tauris, T M, Sandquist, E L, VandenBerg, D A, Jessen-Hansen, J, Arentoft, T, Bruntt, H, Frandsen, S, Orosz, J A, Feiden, G A, Mathieu, R, Geller, A, Shetrone, M, Ryde, N, Stello, D, Platais, I, Meibom, S

“…We determine the properties of the binary star V106 in the old open cluster NGC 6791. We identify the system to be a blue straggler cluster member by using a…”
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Extremely precise age and metallicity of the open cluster NGC 2506 using detached eclipsing binaries by Knudstrup, E, Grundahl, F, Brogaard, K, Slumstrup, D, Orosz, J A, Sandquist, E L, Jessen-Hansen, J, Lund, M N, Arentoft, T, Tronsgaard, R, Yong, D, Frandsen, S, Bruntt, H

“…ABSTRACT Accurate stellar parameters of stars in open clusters can help constrain models of stellar structure and evolution. Here, we wish to determine the age…”
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Spectroscopic study of the open cluster NGC 6811 by Molenda-Żakowicz, J., Brogaard, K., Niemczura, E., Bergemann, M., Frasca, A., Arentoft, T., Grundahl, F.

“…The NASA space telescope Kepler has provided unprecedented time series observations which have revolutionized the field of asteroseismology, i.e. the use of…”
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Chemical Composition of Bright Stars in the Northern Hemisphere: Star–Planet Connection by Tautvaišienė, G., Mikolaitis, Š., Drazdauskas, A., Stonkutė, E., Minkevičiūtė, R., Pakštienė, E., Kjeldsen, H., Brogaard, K., Chorniy, Y., von Essen, C., Grundahl, F., Ambrosch, M., Bagdonas, V., Sharma, A., Vázquez, C. Viscasillas

“…Abstract In fulfilling the aims of the planetary and asteroseismic research missions, such as that of the NASA Transiting Exoplanet Survey Satellite (TESS)…”
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Variable stars in two open clusters within the Kepler/K2-Campaign-0 field: M35 and NGC 2158 by Nardiello, D., Bedin, L. R., Nascimbeni, V., Libralato, M., Cunial, A., Piotto, G., Bellini, A., Borsato, L., Brogaard, K., Granata, V., Malavolta, L., Marino, A. F., Milone, A. P., Ochner, P., Ortolani, S., Tomasella, L., Clemens, M., Salaris, M.

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The M 4 Core Project with HST - II. Multiple stellar populations at the bottom of the main sequence by Milone, A. P., Marino, A. F., Bedin, L. R., Piotto, G., Cassisi, S., Dieball, A., Anderson, J., Jerjen, H., Asplund, M., Bellini, A., Brogaard, K., Dotter, A., Giersz, M., Heggie, D. C., Knigge, C., Rich, R. M., van den Berg, M., Buonanno, R.

“…The M 4 Core Project with HST is designed to exploit the Hubble Space Telescope (HST) to investigate the central regions of M 4, the Globular Cluster closest…”
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NGC 6819: testing the asteroseismic mass scale, mass loss and evidence for products of non-standard evolution by Handberg, R., Brogaard, K., Miglio, A., Bossini, D., Elsworth, Y., Slumstrup, D., Davies, G. R., Chaplin, W. J.

“…Abstract We present an extensive peakbagging effort on Kepler data of ∼50 red giant stars in the open star cluster NGC 6819. By employing sophisticated…”
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The M 4 Core Project with HST – III. Search for variable stars in the primary field by Nascimbeni, V., Bedin, L. R., Heggie, D. C., van den Berg, M., Giersz, M., Piotto, G., Brogaard, K., Bellini, A., Milone, A. P., Rich, R. M., Pooley, D., Anderson, J., Ubeda, L., Ortolani, S., Malavolta, L., Cunial, A., Pietrinferni, A.

“…We present the results of a photometric search for variable stars in the core of the Galactic globular cluster Messier 4 (M 4). The input data are a large and…”
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Withdrawn as Duplicate: Detection of solar-like oscillations in relics of the Milky Way: asteroseismology of K giants in M4 using data from the NASA K2 mission by Miglio, A, Chaplin, W J, Brogaard, K, Lund, M N, Mosser, B, Davies, G R, Handberg, R, Milone, A P, Marino, A F, Bossini, D, Elsworth, Y P, Grundahl, F, Arentoft, T, Bedin, L R, Campante, T L, Jessen-Hansen, J, Jones, C D, Kuszlewicz, J S, Malavolta, L, Nascimbeni, V, Sandquist, E L

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Peakbagging in the open cluster NGC 6819: Opening a treasure chest or Pandora's box? by Handberg, R., Miglio, A., Brogaard, K., Bossini, D., Elsworth, Y. P.

“…Here we report on an extensive peakbagging effort on the evolved red giant stars of the open cluster NGC 6819. This consists of around 50 stars spanning all…”
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Quantifying capital goods for waste incineration by Brogaard, L.K., Riber, C., Christensen, T.H.

“…•Materials and energy used for the construction of waste incinerators were quantified.•The data was collected from five incineration plants in…”
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The M 4 Core Project with HST: I. Overview and first epoch by Bedin, L.R., Anderson, J., Heggie, D.C., Piotto, G., Milone, A.P., Giersz, M., Nascimbeni, V., Bellini, A., Rich, R.M., van den Berg, M., Pooley, D., Brogaard, K., Ortolani, S., Malavolta, L., Ubeda, L., Marino, A.F.

“…We present an overview of the ongoing Hubble Space Telescope large program GO‐12911. The program is focused on the core of M 4, the nearest Galactic globular…”
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