Search Results - "Nielsen, Martin B."

TESS Asteroseismology of β Hydri: A Subgiant with a Born-again Dynamo by Metcalfe, Travis S., van Saders, Jennifer L., Huber, Daniel, Buzasi, Derek, García, Rafael A., Stassun, Keivan G., Basu, Sarbani, Breton, Sylvain N., Claytor, Zachary R., Corsaro, Enrico, Nielsen, Martin B., Ong, J. M. Joel, Saunders, Nicholas, Stokholm, Amalie, Bedding, Timothy R.

“…Abstract The solar-type subgiant β Hyi has long been studied as an old analog of the Sun. Although the rotation period has never been measured directly, it was…”
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Explicit free-floating beam element by Nielsen, Martin B., Krenk, Steen

“…SUMMARYA two‐node free‐floating beam element capable of undergoing arbitrary large displacements and finite rotations is presented in explicit form. The…”
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Asteroseismology of δ Scuti stars: emulating model grids using a neural network by Scutt, Owen J, Murphy, Simon J, Nielsen, Martin B, Davies, Guy R, Bedding, Timothy R, Lyttle, Alexander J

“…ABSTRACT Young δ Scuti (Sct) stars have proven to be valuable asteroseismic targets, but obtaining robust uncertainties on their inferred properties is…”
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Prospects for Galactic and stellar astrophysics with asteroseismology of giant stars in the TESS continuous viewing zones and beyond by Mackereth, J Ted, Miglio, Andrea, Elsworth, Yvonne, Mosser, Benoit, Mathur, Savita, Garcia, Rafael A, Nardiello, Domenico, Hall, Oliver J, Vrard, Mathieu, Ball, Warrick H, Basu, Sarbani, Beaton, Rachael L, Beck, Paul G, Bergemann, Maria, Bossini, Diego, Casagrande, Luca, Campante, Tiago L, Chaplin, William J, Chiappini, Cristina, Girardi, Léo, Jørgensen, Andreas Christ Sølvsten, Khan, Saniya, Montalbán, Josefina, Nielsen, Martin B, Pinsonneault, Marc H, Rodrigues, Thaíse S, Serenelli, Aldo, Silva Aguirre, Victor, Stello, Dennis, Tayar, Jamie, Teske, Johanna, van Saders, Jennifer L, Willett, Emma

“…ABSTRACT The NASA Transiting Exoplanet Survey Satellite (NASA-TESS) mission presents a treasure trove for understanding the stars it observes and the Milky…”
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Projected spin–orbit alignments from Kepler asteroseismology and Gaia astrometry by Ball, Warrick H, Triaud, Amaury H M J, Hatt, Emily, Nielsen, Martin B, Chaplin, William J

“…ABSTRACT The angle between the rotation and orbital axes of stars in binary systems – the obliquity – is an important indicator of how these systems form and…”
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Intensification of corn fiber saccharification using a tailor made enzymatic cocktail by Ordeñana Manso, Julen, Nielsen, Martin B., Balaguer Moya, Eva, Sandri, Juliana P., Yamakawa, Celina K., Mussatto, Solange I.

“…The transition from an economic model based on resource extraction to a more sustainable and circular economy requires the development of innovative methods to…”
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Freshening increases the susceptibility to heat stress in intertidal mussels (Mytilus edulis) from the Arctic by Nielsen, Martin B., Vogensen, Trine K., Thyrring, Jakob, Sørensen, Jesper G., Sejr, Mikael K.

“…Temperatures in the Arctic are increasing at a faster pace than at lower latitudes resulting in range expansion of boreal species. In Greenland, the warming…”
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Asteroseismic signatures of core magnetism and rotation in hundreds of low-luminosity red giants by Hatt, Emily J, Ong, J M Joel, Nielsen, Martin B, Chaplin, William J, Davies, Guy R, Deheuvels, Sébastien, Ballot, Jérôme, Li, Gang, Bugnet, Lisa

“…ABSTRACT Red giant stars host solar-like oscillations which have mixed character, being sensitive to conditions both in the outer convection zone and deep…”
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The EBLM project – XIII. The absolute dynamical masses of the circumbinary planet host TOI-1338/BEBOP-1, and applications to the study of exoplanet atmospheres by Sebastian, D, Triaud, A H M J, Brogi, M, Baycroft, Thomas A, Standing, Matthew R, Maxted, Pierre F L, Martin, David V, Sairam, Lalitha, Nielsen, Martin B

“…ABSTRACT High-contrast eclipsing binaries with low mass M-dwarf secondaries are precise benchmark stars to build empirical mass–radius relationships for fully…”
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Age determination of galaxy merger remnant stars using asteroseismology by Borre, Camilla C, Aguirre Børsen-Koch, Víctor, Helmi, Amina, Koppelman, Helmer H, Nielsen, Martin B, Rørsted, Jakob L, Stello, Dennis, Stokholm, Amalie, Winther, Mark L, Davies, Guy R, Hon, Marc, Kruijssen, J M Diederik, Laporte, Chervin F P, Reyes, Claudia, Yu, Jie

“…ABSTRACT The Milky Way was shaped by the mergers with several galaxies in the past. We search for remnant stars that were born in these foreign galaxies and…”
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The Evolution of Rotation and Magnetic Activity in 94 Aqr Aa from Asteroseismology with TESS by Metcalfe, Travis S., van Saders, Jennifer L., Basu, Sarbani, Buzasi, Derek, Chaplin, William J., Egeland, Ricky, Garcia, Rafael A., Gaulme, Patrick, Huber, Daniel, Reinhold, Timo, Schunker, Hannah, Stassun, Keivan G., Appourchaux, Thierry, Ball, Warrick H., Bedding, Timothy R., Deheuvels, Sébastien, González-Cuesta, Lucía, Handberg, Rasmus, Jiménez, Antonio, Kjeldsen, Hans, Li, Tanda, Lund, Mikkel N., Mathur, Savita, Mosser, Benoit, Nielsen, Martin B., Noll, Anthony, Çelik Orhan, Zeynep, Örtel, Sibel, Santos, Ângela R. G., Yildiz, Mutlu, Baliunas, Sallie, Soon, Willie

“…Most previous efforts to calibrate how rotation and magnetic activity depend on stellar age and mass have relied on observations of clusters, where isochrones…”
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Hierarchically modelling Kepler dwarfs and subgiants to improve inference of stellar properties with asteroseismology by Lyttle, Alexander J, Davies, Guy R, Li, Tanda, Carboneau, Lindsey M, Leung, Ho-Hin, Westwood, Harry, Chaplin, William J, Hall, Oliver J, Huber, Daniel, Nielsen, Martin B, Basu, Sarbani, García, Rafael A

“…ABSTRACT With recent advances in modelling stars using high-precision asteroseismology, the systematic effects associated with our assumptions of stellar…”
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TESS Asteroseismology of α Mensae: Benchmark Ages for a G7 Dwarf and Its M Dwarf Companion by Chontos, Ashley, Huber, Daniel, Berger, Travis A., Kjeldsen, Hans, Serenelli, Aldo M., Silva Aguirre, Victor, Ball, Warrick H., Basu, Sarbani, Bedding, Timothy R., Chaplin, William J., Claytor, Zachary R., Corsaro, Enrico, Garcia, Rafael A., Howell, Steve B., Lundkvist, Mia S., Mathur, Savita, Metcalfe, Travis S., Nielsen, Martin B., Mian Joel Ong, Jia, Çelik Orhan, Zeynep, Örtel, Sibel, Salama, Maissa, Stassun, Keivan G., Townsend, R. H. D., van Saders, Jennifer L., Winther, Mark, Yildiz, Mutlu, Butler, R. Paul, Tinney, C. G., Wittenmyer, Robert A.

“…Abstract Asteroseismology of bright stars has become increasingly important as a method to determine the fundamental properties (in particular ages) of stars…”
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Weakened magnetic braking supported by asteroseismic rotation rates of Kepler dwarfs by Hall, Oliver J., Davies, Guy R., van Saders, Jennifer, Nielsen, Martin B., Lund, Mikkel N., Chaplin, William J., García, Rafael A., Amard, Louis, Breimann, Angela A., Khan, Saniya, See, Victor, Tayar, Jamie

“…Studies using asteroseismic ages and rotation rates from star-spot rotation have indicated that standard age–rotation relations may break down roughly half way…”
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Robust asteroseismic properties of the bright planet host HD 38529 by Ball, Warrick H, Chaplin, William J, Nielsen, Martin B, González-Cuesta, Lucia, Mathur, Savita, Santos, Ângela R G, García, Rafael, Buzasi, Derek, Mosser, Benoît, Deal, Morgan, Stokholm, Amalie, Mosumgaard, Jakob Rørsted, Silva Aguirre, Victor, Nsamba, Benard, Campante, Tiago, Cunha, Margarida S, Ong, Joel, Basu, Sarbani, Örtel, Sibel, Çelik Orhan, Z, Yıldız, Mutlu, Stassun, Keivan, Kane, Stephen R, Huber, Daniel

“…ABSTRACT The Transiting Exoplanet Survey Satellite (TESS) is recording short-cadence, high duty-cycle timeseries across most of the sky, which presents the…”
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Hybrid state-space time integration of rotating beams by Krenk, Steen, Nielsen, Martin B.

“…An efficient time integration algorithm for the dynamic equations of flexible beams in a rotating frame of reference is presented. The equations of motion are…”
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Hybrid state-space time integration in a rotating frame of reference by Krenk, Steen, Nielsen, Martin B.

“…A time integration algorithm is developed for the equations of motion of a flexible body in a rotating frame of reference. The equations are formulated in a…”
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Conservative rigid body dynamics by convected base vectors with implicit constraints by Krenk, Steen, Nielsen, Martin B.

“…•Rigid body formulation in terms of a set of local base vectors, constrained to be orthonormal.•Lagrange multipliers associated with the base vectors…”
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TOI-257b (HD 19916b): a warm sub-saturn orbiting an evolved F-type star by Addison, Brett C., Wright, Duncan J., Nicholson, Belinda A., Cale, Bryson, Huber, Daniel, Plavchan, Peter, Wittenmyer, Robert A., Vanderburg, Andrew, Chaplin, William J., Chontos, Ashley, Clark, Jake T., Eastman, Jason D., Ziegler, Carl, Brahm, Rafael, Carter, Bradley D., Clerte, Mathieu, Espinoza, Nestor, Horner, Jonathan, Bentley, John, Jordan, Andres, Kane, Stephen R., Kielkopf, John F., Laychock, Emilie, Mengel, Matthew W., Okumura, Jack, Stassun, Keivan G., Bedding, Timothy R., Bowler, Brendan P., Burnelis, Andrius, Blanco-Cuaresma, Sergi, Collins, Michaela, Crossfield, Ian, Davis, Allen B., Evensberget, Dag, Heitzmann, Alexis, Howell, Steve B., Law, Nicholas, Mann, Andrew W., Marsden, Stephen C., Matson, Rachel A., O’Connor, James H., Shporer, Avi, Stevens, Catherine, Tinney, C. G., Tylor, Christopher, Wang, Songhu, Kossakowski, Diana, Ricker, George, Sarkis, Paula, Schlecker, Martin, Torres, Pascal, Vanderspek, Roland, Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Mireles, Ismael, Rowden, Pam, Pepper, Joshua, Daylan, Tansu, Schlieder, Joshua E., Collins, Karen A., Collins, Kevin I., Tan, Thiam-Guan, Ball, Warrick H., Basu, Sarbani, Buzasi, Derek L., Campante, Tiago L., Corsaro, Enrico, Gonz´alez-Cuesta, L., Davies, Guy R., Almeida, Leandro de, Jr, Jose-Dias do Nascimento, Garcpıa, Rafael A., Guo, Zhao, Handberg, Rasmus, Hekker, Saskia, Hey, Daniel R., Kallinger, Thomas, Kawaler, Steven D., Kayhan, Cenk, Kuszlewicz, James S., Lund, Mikkel N., Lyttle, Alexander, Mathur, Savita, Miglio, Andrea, Mosser, Benoit, Nielsen, Martin B., Serenelli, Aldo M., Aguirre, Victor Silva, Themeßl, Nathalie

“…We report the discovery of a warm sub-Saturn, TOI-257b (HD 19916b), based on data from NASA’s Transiting Exoplanet Survey Satellite (TESS). The transit signal…”
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Reggae: A Parametric Tuner for PBJam, and a Visualization Tool for Red Giant Oscillation Spectra by Ong, J. M. Joel, Nielsen, Martin B., Hatt, Emily J., Davies, Guy R.

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