Skip to main content

Research Repository

Advanced Search

All Outputs (153)

Rise and fall of silicate dust in RS Ophiuchi following the 2006 eruption (2022)
Journal Article
Rushton, M. T., Woodward, C. E., Gehrz, R. D., Evans, A., Kaminsky, B., Pavlenko, Y. V., & Eyres, S. P. S. (2022). Rise and fall of silicate dust in RS Ophiuchi following the 2006 eruption. Monthly Notices of the Royal Astronomical Society, 517(2), 2526-2533. https://doi.org/10.1093/mnras/stac2771

We present an analysis of archival Spitzer InfraRed Spectrograph (IRS) observations of the recurrent nova RS Ophiuchi obtained on several occasions, beginning about 7 months after the outburst in 2006. These data show atomic emission lines, absorptio... Read More about Rise and fall of silicate dust in RS Ophiuchi following the 2006 eruption.

Does iron chelation by eumelanin contribute to the ethnic link with maternal mortality? (2022)
Journal Article
(2022). Does iron chelation by eumelanin contribute to the ethnic link with maternal mortality?. European Journal of Obstetrics and Gynecology and Reproductive Biology, 107 - 108. https://doi.org/10.1016/j.ejogrb.2022.09.012

Significant disparities in maternal mortality between white and black mothers have been noted for over 80 years and remain an extremely serious problem. Black women are still four times more likely than white women to die in pregnancy or childbirth i... Read More about Does iron chelation by eumelanin contribute to the ethnic link with maternal mortality?.

The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities (2022)
Journal Article
Keszthelyi, Z., de Koter, A., Götberg, Y., Meynet, G., Brands, S. A., Petit, V., …ud-Doula, A. (2022). The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities. Monthly Notices of the Royal Astronomical Society, 517(2), 2028 - 2055. https://doi.org/10.1093/mnras/stac2598

Magnetic fields can drastically change predictions of evolutionary models of massive stars via mass-loss quenching, magnetic braking, and efficient angular momentum transport, which we aim to quantify in this work. We use the MESA software instrument... Read More about The effects of surface fossil magnetic fields on massive star evolution: IV. Grids of models at Solar, LMC, and SMC metallicities.

GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation (2022)
Journal Article
Hellier. (2022). GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202243975

We report the detection of GJ 3090 b (TOI-177.01), a mini-Neptune on a 2.9-day orbit transiting a bright (K = 7.3 mag) M2 dwarf located at 22 pc. The planet was identified by the Transiting Exoplanet Survey Satellite and was confirmed with the High A... Read More about GJ 3090 b: one of the most favourable mini-Neptune for atmospheric characterisation.

Synthesis of cholera toxin B subunit glycoconjugates using site-specific orthogonal oxime and sortase ligation reactions (2022)
Journal Article
P. Dolan, J., Machin, D. C., Dedola, S., Field2, R. A., Webb, M. E., & Bruce Turnbull, W. (2022). Synthesis of cholera toxin B subunit glycoconjugates using site-specific orthogonal oxime and sortase ligation reactions. Frontiers in Chemistry, https://doi.org/10.3389/fchem.2022.958272

The chemoenzymatic synthesis of a series of dual N- and C-terminal–functionalized cholera toxin B subunit (CTB) glycoconjugates is described. Mucin 1 peptides bearing different levels of Tn antigen glycosylation [MUC1(Tn)] were prepared via solid-pha... Read More about Synthesis of cholera toxin B subunit glycoconjugates using site-specific orthogonal oxime and sortase ligation reactions.

The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves (2022)
Journal Article
Maxted. (2022). The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves. Monthly Notices of the Royal Astronomical Society, 519(3), 3546–3563. https://doi.org/10.1093/mnras/stac2565

Eclipsing binaries are important benchmark objects to test and calibrate stellar structure and evolution models. This is especially true for binaries with a fully convective M-dwarf component for which direct measurements of these stars' masses and r... Read More about The EBLM project – IX. Five fully convective M-dwarfs, precisely measured with CHEOPS and TESS light curves.

The recurrent nova V3890 Sgr: a near-infrared and optical study of the red giant component and its environment (2022)
Journal Article
Kaminsky, B., Evans, A., Pavlenko, Y. V., Woodward, C. E., Banerjee, D. P. K., Gehrz, R. D., …Wagner, R. M. (2022). The recurrent nova V3890 Sgr: a near-infrared and optical study of the red giant component and its environment. Monthly Notices of the Royal Astronomical Society, 517(4), 6064-6076. https://doi.org/10.1093/mnras/stac2199

We present an analysis of the red giant component of the recurrent nova V3890 Sgr, using data obtained before and after its 2019 eruption. Its effective temperature is Teff = 3050±200 K for log g = 0.7, although there are modest changes in Teff. Ther... Read More about The recurrent nova V3890 Sgr: a near-infrared and optical study of the red giant component and its environment.

Infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr: Separation into equatorial and polar winds revealed (2022)
Journal Article
Evans, A., Geballe, T. R., Woodward, C. E., Banerjee, D. P. K., Gehrz, R. D., Starrfield, S., & Shahbandeh, M. (2022). Infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr: Separation into equatorial and polar winds revealed. Monthly Notices of the Royal Astronomical Society, 517(4), 6077-6090. https://doi.org/10.1093/mnras/stac2363

We present infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr, obtained over the period 5.1–46.3 days after the eruption. The spectrum of the red giant became more prominent as the flux declined, and by day 46.3 dominated the... Read More about Infrared spectroscopy of the 2019 eruption of the recurrent nova V3890 Sgr: Separation into equatorial and polar winds revealed.

Identification of carbon dioxide in an exoplanet atmosphere (2022)
Journal Article
Ahrer, E., Wheatley, P. J., Alderson, L., Wakeford, H. R., Grant, D., Batalha, N. M., …Zhang, X. (2022). Identification of carbon dioxide in an exoplanet atmosphere. Nature, 614, 649-652. https://doi.org/10.1038/s41586-022-05269-w

Carbon dioxide (CO2) is a key chemical species that is found in a wide range of planetary atmospheres. In the context of exoplanets, CO2 is an indicator of the metal enrichment (i.e., elements heavier than helium, also called "metallicity"), and thus... Read More about Identification of carbon dioxide in an exoplanet atmosphere.

A comprehensive study on the processing of Co:ZnO nanostructured ceramics: Defect chemistry engineering and grain growth kinetics (2022)
Journal Article
da Silva, R., Morbec, J., Rahman, G., & de Carvalho, H. (2022). A comprehensive study on the processing of Co:ZnO nanostructured ceramics: Defect chemistry engineering and grain growth kinetics. Journal of Materials Science and Technology, 221-232. https://doi.org/10.1016/j.jmst.2022.07.038

In this report, we present a systematic study on the preparation of Co:ZnO ceramics via a standard solid-state route from different Co precursors (Co3O4, CoO, and metallic Co) and atmospheres (O2 and Ar). Particular emphasis is given to defect chemis... Read More about A comprehensive study on the processing of Co:ZnO nanostructured ceramics: Defect chemistry engineering and grain growth kinetics.

Defects in MgB4O7 (pure and doped with lanthanides): A case study using a computational modelling approach (2022)
Journal Article
Bispo, G., Nascimento, D., Santana, L., Ferreira, G., Macedo, Z., Lima, H., …Valerio, M. (2022). Defects in MgB4O7 (pure and doped with lanthanides): A case study using a computational modelling approach. Physica B: Condensed Matter, 1-9. https://doi.org/10.1016/j.physb.2022.414049

Lanthanide-doped MgB4O7 is a potential dosimetric material due to its thermoluminescence (TL) and optically stimulated luminescence (OSL) properties. These properties have been largely reported, but there are few theoretical studies dedicated to unde... Read More about Defects in MgB4O7 (pure and doped with lanthanides): A case study using a computational modelling approach.

Structure and diffusive dynamics of aspartate a-decarboxylase (ADC) liganded with D-serine in aqueous solution. (2022)
Journal Article
Raskar, T., Niebling, S., Devos, J. M., Yorke, B. A., Härtlein, M., Huse, N., …Pearson, A. R. (2022). Structure and diffusive dynamics of aspartate a-decarboxylase (ADC) liganded with D-serine in aqueous solution. Physical Chemistry Chemical Physics, 24(34), 20336 - 20347. https://doi.org/10.1039/d2cp02063g

Incoherent neutron spectroscopy, in combination with dynamic light scattering, was used to investigate the effect of ligand binding on the center-of-mass self-diffusion and internal diffusive dynamics of Escherichia coli aspartate a-decarboxylase (AD... Read More about Structure and diffusive dynamics of aspartate a-decarboxylase (ADC) liganded with D-serine in aqueous solution..

The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc (2022)
Journal Article
Hellier. (2022). The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc. Astronomy & Astrophysics, 1 - 23. https://doi.org/10.1051/0004-6361/202243834

We report the discovery of a multiplanetary system transiting the M0 V dwarf HD 260655 (GJ 239, TOI-4599). The system consists of at least two transiting planets, namely HD 260655 b, with a period of 2.77 d, a radius of Rb = 1.240 ± 0.023 R?, a mass... Read More about The HD 260655 system: Two rocky worlds transiting a bright M dwarf at 10 pc.

A Reversibly Porous Supramolecular Peptide Framework** (2022)
Journal Article
Brightwell, D. F., Truccolo, G., Samanta, K., Fenn, E. J., Holder, S. J., Shepherd, H. J., …Palma, A. (2022). A Reversibly Porous Supramolecular Peptide Framework**. Chemistry - A European Journal, 28(66), https://doi.org/10.1002/chem.202202368

The ability to use bio‐inspired building blocks in the assembly of novel supramolecular frameworks is at the forefront of an exciting research field. Herein, we present the first polyproline helix to self‐assemble into a reversibly porous, crystallin... Read More about A Reversibly Porous Supramolecular Peptide Framework**.

A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS (2022)
Journal Article
Maxted. (2022). A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS. Astronomy & Astrophysics, 1 - 9. https://doi.org/10.1051/0004-6361/202244221

Context. Stellar occultation is a powerful technique that allows the determination of some physical parameters of the occulting object. The result depends on the photometric accuracy, the temporal resolution, and the number of chords obtained. Space... Read More about A stellar occultation by the transneptunian object (50000) Quaoar observed by CHEOPS.

Very massive star winds as sources of the short-lived radioactive isotope 26Al (2022)
Journal Article
Martinet, S., Meynet, G., Nandal, D., Ekström, S., Georgy, C., Haemmerlé, L., …Dwarkadas, V. (2022). Very massive star winds as sources of the short-lived radioactive isotope 26Al. Astronomy & Astrophysics, 664, A181. https://doi.org/10.1051/0004-6361/202243474

Context. The 26Al short-lived radioactive nuclide is the source of the observed galactic diffuse γ-ray emission at 1.8 MeV. While different sources of 26Al have been explored, such as asymptotic giant branch stars, massive stellar winds, and supernov... Read More about Very massive star winds as sources of the short-lived radioactive isotope 26Al.

The GAPS Programme at TNG XXXVI. Measurement of the Rossiter-McLaughlin effect and revising the physical and orbital parameters of the HAT-P-15, HAT-P-17, HAT-P-21, HAT-P-26, HAT-P-29 eccentric planetary systems (2022)
Journal Article
Mancini, L., Esposito, M., Covino, E., Southworth, J., Poretti, E., Andreuzzi, G., …Piotto, G. (2022). The GAPS Programme at TNG XXXVI. Measurement of the Rossiter-McLaughlin effect and revising the physical and orbital parameters of the HAT-P-15, HAT-P-17, HAT-P-21, HAT-P-26, HAT-P-29 eccentric planetary systems. Astronomy & Astrophysics, 664, Article A162. https://doi.org/10.1051/0004-6361/202243742

Context. The measurement of the spin-orbit alignment of hot Jupiters, including a range of orbital and physical properties, can provide information about the evolution of the orbits of this special class of giant planets. Aims. We aim to refine th... Read More about The GAPS Programme at TNG XXXVI. Measurement of the Rossiter-McLaughlin effect and revising the physical and orbital parameters of the HAT-P-15, HAT-P-17, HAT-P-21, HAT-P-26, HAT-P-29 eccentric planetary systems.

Very massive star winds as sources of the short-lived radioactive isotope Al-26 (2022)
Journal Article
Hirschi. (2022). Very massive star winds as sources of the short-lived radioactive isotope Al-26. Astronomy & Astrophysics,

Context. The 26Al short-lived radioactive nuclide is the source of the observed galactic diffuse ?-ray emission at 1.8 MeV. While different sources of 26Al have been explored, such as asymptotic giant branch stars, massive stellar winds, and supernov... Read More about Very massive star winds as sources of the short-lived radioactive isotope Al-26.

An Automated Computer‐Vision “Bubble‐Counting” Technique to Characterise CO<sub>2</sub> Dissolution into an Acetonitrile Flow Stream in a Teflon AF‐2400 Tube‐in‐Tube Flow Device (2022)
Journal Article
O'Brien, M., & Moraru, R. (2023). An Automated Computer‐Vision “Bubble‐Counting” Technique to Characterise CO2 Dissolution into an Acetonitrile Flow Stream in a Teflon AF‐2400 Tube‐in‐Tube Flow Device. ChemPlusChem, 88(1), https://doi.org/10.1002/cplu.202200167

AbstractA Teflon AF‐2400 based tube‐in‐tube device was used to generate flow streams of CO2 in acetonitrile and a computer‐vision based ‘bubble counting’ technique was used to estimate the amount of CO2 that had passed into solution whilst in the tub... Read More about An Automated Computer‐Vision “Bubble‐Counting” Technique to Characterise CO<sub>2</sub> Dissolution into an Acetonitrile Flow Stream in a Teflon AF‐2400 Tube‐in‐Tube Flow Device.

Power-2 limb-darkening coefficients for the uvby, UBVRIJHK, SDSS ugriz, Gaia, Kepler, and TESS photometric systems (2022)
Journal Article
Claret, A., & Southworth, J. (2022). Power-2 limb-darkening coefficients for the uvby, UBVRIJHK, SDSS ugriz, Gaia, Kepler, and TESS photometric systems. Astronomy & Astrophysics, 664, Article A128. https://doi.org/10.1051/0004-6361/202243827

Context. Limb darkening is an important stellar phenomenon and must be accounted for in the study of stellar spectra, eclipsing binaries, transiting planetary systems, and microlensing events. The power-2 limb-darkening law provides a good match to t... Read More about Power-2 limb-darkening coefficients for the uvby, UBVRIJHK, SDSS ugriz, Gaia, Kepler, and TESS photometric systems.