Evolutionary roads leading to low effective spins, high black hole masses, and O1/O2 rates for LIGO/Virgo binary black holes (2020)
Journal Article
Belczynski, K., Klencki, J., Fields, C., Olejak, A., Berti, E., Meynet, G., Fryer, C., Holz, D., O’Shaughnessy, R., Brown, D., Bulik, T., Leung, S., Nomoto, K., Madau, P., Hirschi, R., Kaiser, E., Jones, S., Mondal, S., Chruslinska, M., Drozda, P., …Lasota, J.-P. (2020). Evolutionary roads leading to low effective spins, high black hole masses, and O1/O2 rates for LIGO/Virgo binary black holes. Astronomy and Astrophysics, 636, Article A104. https://doi.org/10.1051/0004-6361/201936528

All ten LIGO/Virgo binary black hole (BH-BH) coalescences reported following the O1/O2 runs have near-zero effective spins. There are only three potential explanations for this. If the BH spin magnitudes are large, then: (i) either both BH spin vecto... Read More about Evolutionary roads leading to low effective spins, high black hole masses, and O1/O2 rates for LIGO/Virgo binary black holes.

Detection of Na, K, and H2O in the hazy atmosphere of WASP-6b (2020)
Journal Article
Smalley. (2020). Detection of Na, K, and H2O in the hazy atmosphere of WASP-6b. Monthly Notices of the Royal Astronomical Society, 5449 - 5472. https://doi.org/10.1093/mnras/staa1078

We present new observations of the transmission spectrum of the hot Jupiter WASP-6b both from the ground with the Very Large Telescope FOcal Reducer and Spectrograph (FORS2) from 0.45 to 0.83 µm, and space with the Transiting Exoplanet Survey Satelli... Read More about Detection of Na, K, and H2O in the hazy atmosphere of WASP-6b.

A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS (2020)
Journal Article
Hellier. (2020). A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS. Astronomy and Astrophysics, https://doi.org/10.1051/0004-6361/201937179

We report the detection of a transiting super-Earth-sized planet (R = 1.39 ± 0.09 R?) in a 1.4-day orbit around L 168-9 (TOI-134), a bright M1V dwarf (V = 11, K = 7.1) located at 25.15 ± 0.02 pc. The host star was observed in the first sector of the... Read More about A hot terrestrial planet orbiting the bright M dwarf L 168-9 unveiled by TESS.

The VMC Survey - XXXVII. Pulsation periods of dust-enshrouded AGB stars in the Magellanic Clouds (2020)
Journal Article
Groenewegen, M. A. T., Nanni, A., Cioni, M.-R. L., Girardi, L., de Grijs, R., Ivanov, V. D., Marconi, M., Moretti, M.-., Oliveira, J. M., Petr-Gotzens, M. G., Ripepi, V., & Van Loon, J. T. (2020). The VMC Survey - XXXVII. Pulsation periods of dust-enshrouded AGB stars in the Magellanic Clouds. Astronomy and Astrophysics, 636, Article A48. https://doi.org/10.1051/0004-6361/201937271

Context. Variability is a key property of stars on the asymptotic giant branch (AGB). Their pulsation period is related to the luminosity and mass-loss rate of the star. Long-period variables (LPVs) and Mira variables are the most prominent of all ty... Read More about The VMC Survey - XXXVII. Pulsation periods of dust-enshrouded AGB stars in the Magellanic Clouds.

The Gaia-ESO Survey: detection and characterisation of single-line spectroscopic binaries (2020)
Journal Article
Merle, T., Van der Swaelmen, M., Van Eck, S., Jorissen, A., Jackson, R. J., Traven, G., Zwitter, T., Pourbaix, D., Klutsch, A., Sacco, G., Blomme, R., Masseron, T., Gilmore, G., Randich, S., Badenes, C., Bayo, A., Bensby, T., Bergemann, M., Biazzo, K., Damiani, F., …Prisinzano, L. (2020). The Gaia-ESO Survey: detection and characterisation of single-line spectroscopic binaries. Astronomy & Astrophysics, 635, https://doi.org/10.1051/0004-6361/201935819

Context. Multiple stellar systems play a fundamental role in the formation and evolution of stellar populations in galaxies. Recent and ongoing large ground-based multi-object spectroscopic surveys significantly increase the sample of spectroscopic b... Read More about The Gaia-ESO Survey: detection and characterisation of single-line spectroscopic binaries.

A second-order asymptotic model for Rayleigh waves on a linearly elastic half plane (2020)
Journal Article
Wootton, P. T., Prikazchikov, D., & Kaplunov, J. (2020). A second-order asymptotic model for Rayleigh waves on a linearly elastic half plane. IMA Journal of Applied Mathematics, 85(1), 113 - 131. https://doi.org/10.1093/imamat/hxz037

We derive a second-order correction to an existing leading-order model for surface waves in linear elasticity. The same hyperbolic–elliptic equation form is obtained with a correction term added to the surface boundary condition. The validity of the... Read More about A second-order asymptotic model for Rayleigh waves on a linearly elastic half plane.

Reduced model for the surface dynamics of a generally anisotropic elastic half-space (2020)
Journal Article
Prikazchikov, Kaplunov, & Fu. (2020). Reduced model for the surface dynamics of a generally anisotropic elastic half-space. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 20190590 - 20190590. https://doi.org/10.1098/rspa.2019.0590

Near-surface resonance phenomena often arise in semi-infinite solids. For instance, when a moving load with a speed v close to the surface wave speed vR is applied to the surface of an elastic half-space, it will give rise to a large-amplitude distur... Read More about Reduced model for the surface dynamics of a generally anisotropic elastic half-space.

Spectroscopy of hot ? Doradus and A–F hybrid Kepler candidates close to the hot border of the d Scuti instability strip (2020)
Journal Article
Smalley. (2020). Spectroscopy of hot ? Doradus and A–F hybrid Kepler candidates close to the hot border of the d Scuti instability strip. Monthly Notices of the Royal Astronomical Society, 4518 - 4532. https://doi.org/10.1093/mnras/staa399

If ? Dor-type pulsations are driven by the convective blocking mechanism, a convective envelope at a sufficient depth is essential. There are several hot ? Dor and hybrid star candidates in which there should not be an adequate convective envelope to... Read More about Spectroscopy of hot ? Doradus and A–F hybrid Kepler candidates close to the hot border of the d Scuti instability strip.

Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles (2020)
Journal Article
Soucaille, R., Sharifabad, M., Telling, N., & Hicken, R. (2020). Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles. Applied Physics Letters, 116(6), 062404 - 062404. https://doi.org/10.1063/1.5140362

Characterization of magnetic nanoparticles in solution is challenging due to the interplay between magnetic relaxation and agglomeration. The AC magnetic susceptibility of magnetite nanoparticles in water has been studied using magneto-optical method... Read More about Broadband optical measurement of AC magnetic susceptibility of magnetite nanoparticles.

Weakly nonlinear analysis of localized bulging of an inflated hyperelastic tube of arbitrary wall thickness (2020)
Journal Article
Fu. (2020). Weakly nonlinear analysis of localized bulging of an inflated hyperelastic tube of arbitrary wall thickness. Journal of the Mechanics and Physics of Solids, 103804 - 103804. https://doi.org/10.1016/j.jmps.2019.103804

A weakly nonlinear analysis is conducted for localized bulging of an inflated hyperelastic cylindrical tube of arbitrary wall thickness. Analytical expressions are obtained for the coefficients in the amplitude equation despite the fact that the prim... Read More about Weakly nonlinear analysis of localized bulging of an inflated hyperelastic tube of arbitrary wall thickness.

Nanostructured large-pore zeolite: the enhanced accessibility of active sites and its effect on the catalytic performance (2020)
Journal Article
(2020). Nanostructured large-pore zeolite: the enhanced accessibility of active sites and its effect on the catalytic performance. Microporous and Mesoporous Materials, https://doi.org/10.1016/j.micromeso.2019.109805

Zeolites Y, ZSM-5, beta, mordenite and LTL were converted into hierarchical meso-microporous catalysts applying the surfactant templating strategy and the resulting materials were utilised as catalysts for esterification and aldol condensation reacti... Read More about Nanostructured large-pore zeolite: the enhanced accessibility of active sites and its effect on the catalytic performance.

Production and processing of graphene and related materials (2020)
Journal Article
Backes, C., Abdelkader, A. M., Alonso, C., Andrieux-Ledier, A., Arenal, R., Azpeitia, J., Balakrishnan, N., Banszerus, L., Barjon, J., Bartali, R., Bellani, S., Berger, C., Berger, R., Bernal Ortega, M. M., Bernard, C., Beton, P. H., Beyer, A., Bianco, A., Bøggild, P., Bonaccorso, F., …Garcia-Hernandez, M. (2020). Production and processing of graphene and related materials. 2D Materials, 7(2), Article 022001. https://doi.org/10.1088/2053-1583/ab1e0a

We present an overview of the main techniques for production and processing of graphene and related materials (GRMs), as well as the key characterization procedures. We adopt a 'hands-on' approach, providing practical details and procedures as derive... Read More about Production and processing of graphene and related materials.

Upper-ocean Ekman current dynamics: a new perspective (2020)
Journal Article
Shrira, V., & Almelah, R. B. (2020). Upper-ocean Ekman current dynamics: a new perspective. Journal of Fluid Mechanics, 887, Article A24. https://doi.org/10.1017/jfm.2019.1059

The work examines upper-ocean response to time-varying winds within the Ekman paradigm. Here, in contrast to the earlier works we assume the eddy viscosity to be both time and depth dependent. For self-similar depth and time dependence of eddy viscos... Read More about Upper-ocean Ekman current dynamics: a new perspective.

Age dating of an early Milky Way merger via asteroseismology of the naked-eye star ν Indi (2020)
Journal Article
J. Chaplin, W., M. Serenelli, A., Miglio, A., Morel, T., Mackereth, J. T., Vincenzo, F., Kjeldsen Sarbani Basu, H., H. Ball, W., Stokholm, A., Verma, K., Rørsted Mosumgaard, J., Silva Aguirre, V., Mazumdar, A., Ranadive, P., M. Antia, H., Lebreton, Y., Ong, J., Appourchaux, T., R. Bedding, T., Christensen-Dalsgaard, J., …Yıldız, M. (2020). Age dating of an early Milky Way merger via asteroseismology of the naked-eye star ν Indi. Nature Astronomy, https://doi.org/10.1038/s41550-019-0975-9

Over the course of its history, the Milky Way has ingested multiple smaller satellite galaxies. While these accreted stellar populations can be forensically identified as kinematically distinct structures within the Galaxy, it is difficult in general... Read More about Age dating of an early Milky Way merger via asteroseismology of the naked-eye star ν Indi.