Outputs (2239)

A regularization technique to precisely infer limb darkening using transit measurements: can we estimate stellar surface magnetic fields? (2024)
Journal Article
Verma, K., Maxted, P. F. L., Singh, A., Ludwig, H.-G., & Sable, Y. (2024). A regularization technique to precisely infer limb darkening using transit measurements: can we estimate stellar surface magnetic fields?. Monthly Notices of the Royal Astronomical Society, 534(4), 3893-3905. https://doi.org/10.1093/mnras/stae2344

The high-precision measurements of exoplanet transit light curves that are now available contain information about the planet properties, their orbital parameters, and stellar limb darkening (LD). Recent 3D magneto-hydrodynamical (MHD) simulations of... Read More about A regularization technique to precisely infer limb darkening using transit measurements: can we estimate stellar surface magnetic fields?.

BEBOP VI. enabling the detection of circumbinary planets orbiting double-lined binaries with the DOLBY method of radial-velocity extraction (2024)
Journal Article
Sairam, L., Baycroft, T. A., Boisse, I., Heidari, N., Santerne, A., Triaud, A. H. M. J., Coleman, G. A. L., Davis, Y. T., Deleuil, M., Hébrard, G., Martin, D. V., Maxted, P. F. L., Nelson, R. P., Sebastian, D., Scutt, O. J., & Standing, M. R. (in press). BEBOP VI. enabling the detection of circumbinary planets orbiting double-lined binaries with the DOLBY method of radial-velocity extraction. Monthly Notices of the Royal Astronomical Society, 534(4), 3999-4017. https://doi.org/10.1093/mnras/stae2317

Circumbinary planets, orbiting both stars in a binary system, offer the opportunity to study planet formation and orbital migration in an environment different from that around single stars. However, despite the fact that $> 90~{{\%}}$ of binary s... Read More about BEBOP VI. enabling the detection of circumbinary planets orbiting double-lined binaries with the DOLBY method of radial-velocity extraction.

Dendron-mediated control over self-assembly of chlorophyll rosettes into columnar vs. discrete aggregates † (2024)
Journal Article
Kudo, R., Hanayama, H., Vedhanarayanan, B., Tamiaki, H., Hara, N., Rogers, S. E., Hollamby, M. J., Manna, B., Harano, K., & Yagai, S. (2024). Dendron-mediated control over self-assembly of chlorophyll rosettes into columnar vs. discrete aggregates †. Organic Chemistry Frontiers, 1-7. https://doi.org/10.1039/D4QO01629G

Photosynthetic bacteria have evolved highly efficient light-harvesting systems by organizing chlorophyll (Chl) pigments into circular and tubular supramolecular arrays. To construct these surapmoelcular Chl arrays from the same molecular design, we s... Read More about Dendron-mediated control over self-assembly of chlorophyll rosettes into columnar vs. discrete aggregates †.

A nanoscale investigation of the formation of mesostructured zeolites FAU and LTL (2024)
Journal Article
Zholobenko, V., Hollamby, M., Al-Ani, A., Lebedev, O. I., Smith, A. J., & Snow, T. (2024). A nanoscale investigation of the formation of mesostructured zeolites FAU and LTL. Microporous and Mesoporous Materials, Article 113363. https://doi.org/10.1016/j.micromeso.2024.113363

Nanostructured materials can be utilised as potential catalysts for the production of platform chemicals and renewable biofuels from biomass derived molecules. The formation of hierarchical meso-microporous zeolites LTL and FAU via... Read More about A nanoscale investigation of the formation of mesostructured zeolites FAU and LTL.

Variability and stellar pulsation incidence in Am/Fm stars using TESS and Gaia data (2024)
Journal Article
Durfeldt-Pedros, O., Antoci, V., Smalley, B., Murphy, S., Posilek, N., & Niemczura, E. (2024). Variability and stellar pulsation incidence in Am/Fm stars using TESS and Gaia data. Astronomy and Astrophysics, 690, Article A104. https://doi.org/10.1051/0004-6361/202349076

Aims. We aim to study chemically peculiar Am and Fm stars, distinguished by their unique abundance patterns, which are crucial for studying mixing processes in intermediate-mass stars. These stars provide a window into the atomic diffusion in their s... Read More about Variability and stellar pulsation incidence in Am/Fm stars using TESS and Gaia data.

Grids of stellar models with rotation: VIII. Models from 1.7 to 500 M⊙ at metallicity Z = 10−5 (2024)
Journal Article
Sibony, Y., Shepherd, K. G., Yusof, N., Hirschi, R., Chambers, C., Tsiatsiou, S., Nandal, D., Sciarini, L., Moyano, F. D., Bétrisey, J., Buldgen, G., Georgy, C., Ekström, S., Eggenberger, P., & Meynet, G. (2024). Grids of stellar models with rotation: VIII. Models from 1.7 to 500 M⊙ at metallicity Z = 10−5. Astronomy & Astrophysics, 690, Article A91. https://doi.org/10.1051/0004-6361/202450180

Context. Grids of stellar evolution models with rotation using the Geneva stellar evolution code (GENEC) have been published for a wide range of metallicities.

Aims. We introduce the last remaining grid of GENEC models, with a metallicity of Z = 1... Read More about Grids of stellar models with rotation: VIII. Models from 1.7 to 500 M⊙ at metallicity Z = 10−5.

HR 10 as seen by CHEOPS and TESS: Revealing δ Scuti pulsations, granulation-like signal and hint for transients (2024)
Journal Article
Salmon, S. J. A. J., Van Grootel, V., Sulis, S., Szabó, G. M., Brandeker, A., Broeg, C., Ehrenreich, D., Hoyer, S., Sousa, S. G., Kiefer, F., Gandolfi, D., Nardiello, D., Charpinet, S., Bonfanti, A., Wilson, T. G., Alibert, Y., Alonso, R., Anglada, G., Bárczy, T., Barrado Navascues, D., …Walton, N. A. (2024). HR 10 as seen by CHEOPS and TESS: Revealing δ Scuti pulsations, granulation-like signal and hint for transients. Astronomy & Astrophysics, 690, 1-18. https://doi.org/10.1051/0004-6361/202346180

Context. HR 10 has only recently been identified as a binary system. Previously thought to be an A-type shell star, it appears that both components are fast-rotating A-type stars, each presenting a circumstellar envelope. Although showing complex pho... Read More about HR 10 as seen by CHEOPS and TESS: Revealing δ Scuti pulsations, granulation-like signal and hint for transients.

Sugar-Coated: Can Multivalent Glycoconjugates Improve upon Nature’s Design? (2024)
Journal Article
Leslie, K. G., Berry, S. S., Miller, G. J., & Mahon, C. S. (2024). Sugar-Coated: Can Multivalent Glycoconjugates Improve upon Nature’s Design?. Journal of the American Chemical Society, 146(40), 27215-27232. https://doi.org/10.1021/jacs.4c08818

Multivalent interactions between receptors and glycans play an important role in many different biological processes, including pathogen infection, self-recognition, and the immune response. The growth in the number of tools and techniques toward the... Read More about Sugar-Coated: Can Multivalent Glycoconjugates Improve upon Nature’s Design?.

Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b (2024)
Journal Article
Carleo, I., Barrágan, O., Persson, C. M., Fridlund, M., Lam, K. W. F., Messina, S., Gandolfi, D., Smith, A. M. S., Johnson, M. C., Cochran, W., Osborne, H. L. M., Brahm, R., Ciardi, D. R., Collins, K. A., Everett, M. E., Giacalone, S., Guenther, E. W., Hatzes, A., Hellier, C., Horner, J., …Wright, D. (2024). Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b. Astronomy & Astrophysics, 690, Article A18. https://doi.org/10.1051/0004-6361/202451313

Context. Hot and warm Jupiters might have undergone the same formation and evolution path, but the two populations exhibit different distributions of orbital parameters. This challenges our understanding of their actual origin.

Aims. We report the... Read More about Mass determination of two Jupiter-sized planets orbiting slightly evolved stars: TOI-2420 b and TOI-2485 b.

Gaia DR3 reveals the complex dynamical evolution within star clusters (2024)
Journal Article
Viscasillas Vázquez, C., Magrini, L., Miret-Roig, N., Wright, N., Alves, J., Spina, L., Church, R., Tautvaišienė, G., & Randich, S. (2024). Gaia DR3 reveals the complex dynamical evolution within star clusters. Astronomy & Astrophysics, 689, https://doi.org/10.1051/0004-6361/202450573

Context. Star clusters, composed of stars born from the same molecular cloud, serve as invaluable natural laboratories for understanding the fundamental processes governing stellar formation and evolution.

Aims. This study aims to investigate corr... Read More about Gaia DR3 reveals the complex dynamical evolution within star clusters.