All Outputs (760)

HAYDN: High-precision AsteroseismologY of DeNse stellar fields (2021)
Journal Article
Miglio, A., Girardi, L., Grundahl, F., Mosser, B., Bastian, N., Bragaglia, A., Brogaard, K., Buldgen, G., Chantereau, W., Chaplin, W., Chiappini, C., Dupret, M.-A., Eggenberger, P., Gieles, M., Izzard, R., Kawata, D., Karoff, C., Lagarde, N., Mackereth, T., Magrin, D., …Vincenzo, F. (2021). HAYDN: High-precision AsteroseismologY of DeNse stellar fields. Experimental astronomy, 51(3), 963-1001. https://doi.org/10.1007/s10686-021-09711-1

In the last decade, the Kepler and CoRoT space-photometry missions have demonstrated the potential of asteroseismology as a novel, versatile and powerful tool to perform exquisite tests of stellar physics, and to enable precise and accurate character... Read More about HAYDN: High-precision AsteroseismologY of DeNse stellar fields.

Mode Engineering in Large Arrays of Coupled Plasmonic–Dielectric Nanoantennas (2021)
Journal Article
Córdova‐Castro, R. M., Krasavin, A. V., Nasir, M. E., Wang, P., Bouillard, J. S. G., McPolin, C. P. T., & Zayats, A. V. (in press). Mode Engineering in Large Arrays of Coupled Plasmonic–Dielectric Nanoantennas. Advanced Optical Materials, Article 2001467. https://doi.org/10.1002/adom.202001467

Strong electromagnetic field confinement and enhancement can be readily achieved in plasmonic nanoantennas, however, this is considerably more difficult to realize over large areas, which is essential for many applications. Here, dispersion engineeri... Read More about Mode Engineering in Large Arrays of Coupled Plasmonic–Dielectric Nanoantennas.

APOGEE DR16: A multi-zone chemical evolution model for the Galactic disc based on MCMC methods (2021)
Journal Article
Spitoni, E., Verma, K., Silva Aguirre, V., Vincenzo, F., Matteucci, F., Vaičekauskaitė, B., Palla, M., Grisoni, V., & Calura, F. (2021). APOGEE DR16: A multi-zone chemical evolution model for the Galactic disc based on MCMC methods. Astronomy and Astrophysics, 647, Article A73. https://doi.org/10.1051/0004-6361/202039864

Context. The analysis of the latest release of the Apache Point Observatory Galactic Evolution Experiment project (APOGEE DR16) data suggests the existence of a clear distinction between two sequences of disc stars at different Galactocentric distanc... Read More about APOGEE DR16: A multi-zone chemical evolution model for the Galactic disc based on MCMC methods.

Unifying femtosecond and picosecond single-pulse magnetic switching in Gd-Fe-Co (2021)
Journal Article
Jakobs, F., Ostler, T. A., Lambert, C. H., Yang, Y., Salahuddin, S., Wilson, R. B., Gorchon, J., Bokor, J., & Atxitia, U. (2021). Unifying femtosecond and picosecond single-pulse magnetic switching in Gd-Fe-Co. Physical Review B, 103(10), Article 104422. https://doi.org/10.1103/PhysRevB.103.104422

Many questions are still open regarding the physical mechanisms behind the magnetic switching in Gd-Fe-Co alloys by single optical pulses. Phenomenological models suggest a femtosecond scale exchange relaxation between sublattice magnetization as the... Read More about Unifying femtosecond and picosecond single-pulse magnetic switching in Gd-Fe-Co.

129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements (2021)
Journal Article
Côté, B., Eichler, M., Yagüe, A., Vassh, N., Mumpower, M. R., Világos, B., Soós, B., Arcones, A., Sprouse, T. M., Surman, R., Pignatari, M., Pető, M. K., Wehmeyer, B., Rauscher, T., & Lugaro, M. (2021). 129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements. Science, 371(6532), 945-948. https://doi.org/10.1126/science.aba1111

The composition of the early Solar System can be inferred from meteorites. Many elements heavier than iron were formed by the rapid neutron capture process (r-process), but the astrophysical sources where this occurred remain poorly understood. We de... Read More about 129I and 247Cm in meteorites constrain the last astrophysical source of solar r-process elements.

NIR-quantum dots in biomedical imaging and their future (2021)
Journal Article
Gil, H. M., Price, T. W., Chelani, K., Bouillard, J. S. G., Calaminus, S. D., & Stasiuk, G. J. (2021). NIR-quantum dots in biomedical imaging and their future. iScience, 24(3), Article 102189. https://doi.org/10.1016/j.isci.2021.102189

Fluorescence imaging has gathered interest over the recent years for its real-time response and high sensitivity. Developing probes for this modality has proven to be a challenge. Quantum dots (QDs) are colloidal nanoparticles that possess unique opt... Read More about NIR-quantum dots in biomedical imaging and their future.

Project ThaiPASS: international outreach blending astronomy and Python (2021)
Journal Article
Keegans, J. D., Stancliffe, R. J., Bilton, L. E., Cashmore, C. R., Gibson, B. K., Kristensen, M. T., Lawson, T. V., Pignatari, M., Vaezzadeh, I., Côté, B., & Chongchitnan, S. (2021). Project ThaiPASS: international outreach blending astronomy and Python. Physics Education, 56(3), Article 035001. https://doi.org/10.1088/1361-6552/abdae7

We present our outreach program, the Thailand–UK Python+Astronomy Summer School (ThaiPASS), a collaborative project comprising UK and Thai institutions and assess its impact and possible application to schools in the United Kingdom. Since its incepti... Read More about Project ThaiPASS: international outreach blending astronomy and Python.

The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales (2021)
Journal Article
Lee, J., Shin, J., Snaith, O. N., Kim, Y., Few, C. G., Devriendt, J., Dubois, Y., Cox, L. M., Hong, S. E., Kwon, O. K., Park, C., Pichon, C., Kim, J., Gibson, B. K., & Park, C. (2021). The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales. The Astrophysical journal, 908(1), Article 11. https://doi.org/10.3847/1538-4357/abd08b

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation that captures the properties of the universe on a Gpc scale while achieving a resolution of 1 kpc. Inside the simulation box, we zoom in on a high-resolution cuboid region with a volume... Read More about The horizon run 5 cosmological hydrodynamical simulation: probing galaxy formation from kilo- to gigaparsec scales.

Förster resonance energy transfer and the local optical density of states in plasmonic nanogaps (2021)
Journal Article
Hamza, A. O., Viscomi, F. N., Bouillard, J. S. G., & Adawi, A. M. (2021). Förster resonance energy transfer and the local optical density of states in plasmonic nanogaps. Journal of Physical Chemistry Letters, 12(5), 1507-1513. https://doi.org/10.1021/acs.jpclett.0c03702

Förster resonance energy transfer (FRET) is a fundamental phenomenon in photosynthesis and is of increasing importance for the development and enhancement of a wide range of optoelectronic devices, including color-tuning LEDs and lasers, light harves... Read More about Förster resonance energy transfer and the local optical density of states in plasmonic nanogaps.

Role of element-specific damping in ultrafast, helicity-independent, all-optical switching dynamics in amorphous (Gd,Tb)Co thin films (2021)
Journal Article
Ceballos, A., Pattabi, A., El-Ghazaly, A., Ruta, S., Simon, C. P., Evans, R. F., Ostler, T., Chantrell, R. W., Kennedy, E., Scott, M., Bokor, J., & Hellman, F. (2021). Role of element-specific damping in ultrafast, helicity-independent, all-optical switching dynamics in amorphous (Gd,Tb)Co thin films. Physical Review B, 103(2), https://doi.org/10.1103/PhysRevB.103.024438

Ultrafast control of the magnetization in ps timescales by fs laser pulses offers an attractive avenue for applications such as fast magnetic devices for logic and memory. However, ultrafast helicity-independent all-optical switching (HI-AOS) of the... Read More about Role of element-specific damping in ultrafast, helicity-independent, all-optical switching dynamics in amorphous (Gd,Tb)Co thin films.

KiDS-1000 cosmology: Cosmic shear constraints and comparison between two point statistics (2021)
Journal Article
Asgari, M., Lin, C. A., Joachimi, B., Giblin, B., Heymans, C., Hildebrandt, H., Kannawadi, A., Stölzner, B., Tröster, T., Van Den Busch, J. L., Wright, A. H., Bilicki, M., Blake, C., De Jong, J., Dvornik, A., Erben, T., Getman, F., Hoekstra, H., Köhlinger, F., Kuijken, K., …Valentijn, E. (2021). KiDS-1000 cosmology: Cosmic shear constraints and comparison between two point statistics. Astronomy and Astrophysics, 645, Article A104. https://doi.org/10.1051/0004-6361/202039070

We present cosmological constraints from a cosmic shear analysis of the fourth data release of the Kilo-Degree Survey (KiDS-1000), which doubles the survey area with nine-band optical and near-infrared photometry with respect to previous KiDS analyse... Read More about KiDS-1000 cosmology: Cosmic shear constraints and comparison between two point statistics.

Age dissection of the Milky Way discs: Red giants in the Kepler field (2021)
Journal Article
Miglio, A., Chiappini, C., Mackereth, J. T., Davies, G. R., Brogaard, K., Casagrande, L., Chaplin, W. J., Girardi, L., Kawata, D., Khan, S., Izzard, R., Montalbán, J., Mosser, B., Vincenzo, F., Bossini, D., Noels, A., Rodrigues, T., Valentini, M., & Mandel, I. (2021). Age dissection of the Milky Way discs: Red giants in the Kepler field. Astronomy and Astrophysics, 645, Article A85. https://doi.org/10.1051/0004-6361/202038307

Ensemble studies of red-giant stars with exquisite asteroseismic (Kepler), spectroscopic (APOGEE), and astrometric (Gaia) constraints offer a novel opportunity to recast and address long-standing questions concerning the evolution of stars and of the... Read More about Age dissection of the Milky Way discs: Red giants in the Kepler field.

The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks (2020)
Journal Article
Guiglion, G., Matijevič, G., Queiroz, A. B., Valentini, M., Steinmetz, M., Chiappini, C., Grebel, E. K., McMillan, P. J., Kordopatis, G., Kunder, A., Zwitter, T., Khalatyan, A., Anders, F., Enke, H., Minchev, I., Monari, G., Wyse, R. F., Bienaymé, O., Bland-Hawthorn, J., Gibson, B. K., …Siebert, A. (2020). The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks. Astronomy and Astrophysics, 644, Article A168. https://doi.org/10.1051/0004-6361/202038271

© ESO 2020. Context Data-driven methods play an increasingly important role in the field of astrophysics In the context of large spectroscopic surveys of stars, data-driven methods are key in deducing physical parameters for millions of spectra in a... Read More about The RAdial Velocity Experiment (RAVE): Parameterisation of RAVE spectra based on convolutional neural networks.

Galaxy and Mass Assembly (GAMA): The interplay between galaxy mass, SFR, and heavy element abundance in paired galaxy sets (2020)
Journal Article
Garduño, L. E., Lara-López, M. A., López-Cruz, O., Hopkins, A. M., Owers, M. S., Pimbblet, K. A., & Holwerda, B. W. (2021). Galaxy and Mass Assembly (GAMA): The interplay between galaxy mass, SFR, and heavy element abundance in paired galaxy sets. Monthly notices of the Royal Astronomical Society, 501(2), 2969-2982. https://doi.org/10.1093/mnras/staa3799

© 2021 2020 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society. We study the star formation rate (SFR), stellar mass (M∗), and the gas metallicity (Z) for 4636 galaxy pairs using the Galaxy And Mass Assembly (G... Read More about Galaxy and Mass Assembly (GAMA): The interplay between galaxy mass, SFR, and heavy element abundance in paired galaxy sets.

Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides (2020)
Journal Article
Li, L., Sakr, A. K., Schlöder, T., Klein, S., Beckers, H., Kitsaras, M., Snelling, H. V., Young, N. A., Andrae, D., & Riedel, S. (2021). Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides. Angewandte Chemie, 60(12), 6391-6394. https://doi.org/10.1002/anie.202015501

Binary transition metal fluorides are textbook examples combining complex electronic features with most fundamental molecular structures. High‐valent nickel fluorides are among the strongest known fluorinating and oxidizing agents, but there is a lac... Read More about Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides.

The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales (2020)
Preprint / Working Paper
Lee, J., Shin, J., Snaith, O. N., Kim, Y., Few, C. G., Devriendt, J., Dubois, Y., Cox, L. M., Hong, S. E., Kwon, O.-K., Park, C., Pichon, C., Kim, J., Gibson, B. K., & Park, C. The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales

Horizon Run 5 (HR5) is a cosmological hydrodynamical simulation which captures the properties of the Universe on a Gpc scale while achieving a resolution of 1kpc. Inside the simulation box we zoom-in on a high-resolution cuboid region with a volume o... Read More about The Horizon Run 5 Cosmological Hydrodynamic Simulation: Probing Galaxy Formation from Kilo- to Giga-parsec Scales.

Enabling planetary science across light-years. Ariel Definition Study Report (2020)
Report
Zuppella, P., Zingales, T., Yung, Y., Zilinskas, M., Wolkenberg, P., Hou Yip, G., Wawer, P., Widemann, T., Waltham, D., Del Vecchio, C., Vasisht, G., Vazan, A., Van der Swaelmen, M., Vardan, A., Carine Vandaele, A., Tsantaki, M., Valencia, D., Tsai, S.-M., Triaud, A., Trompet, L., …Tinetti, G. (2020). Enabling planetary science across light-years. Ariel Definition Study Report

Ariel, the Atmospheric Remote-sensing Infrared Exoplanet Large-survey, was adopted as the fourth medium-class mission in ESA's Cosmic Vision programme to be launched in 2029. During its 4-year mission, Ariel will study what exoplanets are made of, ho... Read More about Enabling planetary science across light-years. Ariel Definition Study Report.

GASP XXIX-unwinding the arms of spiral galaxies via ram-pressure stripping (2020)
Journal Article
Bellhouse, C., McGee, S. L., Smith, R., Poggianti, B. M., Jaffé, Y. L., Kraljic, K., Franchetto, A., Fritz, J., Vulcani, B., Tonnesen, S., Roediger, E., Moretti, A., Gullieuszik, M., & Shin, J. (2020). GASP XXIX-unwinding the arms of spiral galaxies via ram-pressure stripping. Monthly notices of the Royal Astronomical Society, 500(1), 1285-1312. https://doi.org/10.1093/mnras/staa3298

We present the first study of the effect of ram pressure ‘unwinding’ the spiral arms of cluster galaxies. We study 11 ram-pressure stripped galaxies from GASP (GAs Stripping Phenomena in galaxies) in which, in addition to more commonly observed ‘jell... Read More about GASP XXIX-unwinding the arms of spiral galaxies via ram-pressure stripping.

The impact of disturbed galaxy clusters on the kinematics of active galactic nuclei (2020)
Journal Article
Bilton, L. E., Pimbblet, K. A., & Gordon, Y. A. (2020). The impact of disturbed galaxy clusters on the kinematics of active galactic nuclei. Monthly notices of the Royal Astronomical Society, 499(3), 3792-3805. https://doi.org/10.1093/mnras/staa3154

© 2020 The Author(s) We produce a kinematic analysis of AGN-hosting cluster galaxies from a sample of 33 galaxy clusters selected using the X-ray Clusters Database (BAX) and populated with galaxies from the Sloan Digital Sky Survey Data Release 8. Th... Read More about The impact of disturbed galaxy clusters on the kinematics of active galactic nuclei.

Evaluation of the N 13 (α,p) O 16 thermonuclear reaction rate and its impact on the isotopic composition of supernova grains (2020)
Journal Article
Meyer, A., De Séréville, N., Laird, A. M., Hammache, F., Longland, R., Lawson, T., Pignatari, M., Audouin, L., Beaumel, D., Fortier, S., Kiener, J., Lefebvre-Schuhl, A., Pellegriti, M. G., Stanoiu, M., & Tatischeff, V. (2020). Evaluation of the N 13 (α,p) O 16 thermonuclear reaction rate and its impact on the isotopic composition of supernova grains. Physical Review C, 102(3), Article 035803. https://doi.org/10.1103/PhysRevC.102.035803

Background: It has been recently suggested that hydrogen ingestion into the helium shell of massive stars could lead to high C13 and N15 excesses when the shock of a core-collapse supernova passes through its helium shell. This prediction questions t... Read More about Evaluation of the N 13 (α,p) O 16 thermonuclear reaction rate and its impact on the isotopic composition of supernova grains.