All Outputs (1629)

Fundamental effective temperature measurements for eclipsing binary stars – V. The circumbinary planet system EBLM J0608–59 (2024)
Journal Article
Maxted, P. F. L., Miller, N. J., Sebastian, D., Triaud, A. H. M. J., Martin, D. V., & Duck, A. (2024). Fundamental effective temperature measurements for eclipsing binary stars – V. The circumbinary planet system EBLM J0608–59. Monthly Notices of the Royal Astronomical Society, 531(4), 4577-4583. https://doi.org/10.1093/mnras/stae1434

EBLM J0608$-$59/TOI-1338/BEBOP-1 is a 12$^{\rm th}$-magnitude, F9 V star in an eclipsing binary with a much fainter M dwarf companion on a wide, eccentric orbit (P = 14.6 d). The binary is orbited by two circumbinary planets: one transiting on a 95-d... Read More about Fundamental effective temperature measurements for eclipsing binary stars – V. The circumbinary planet system EBLM J0608–59.

3D simulations of convective shell Neon-burning in a massive star (2024)
Journal Article
Georgy, C., Rizzuti, F., Hirschi, R., Varma, V., Arnett, W. D., Meakin, C., …Rauscher, T. (in press). 3D simulations of convective shell Neon-burning in a massive star. Monthly Notices of the Royal Astronomical Society, Article stae1381. https://doi.org/10.1093/mnras/stae1381

The treatment of convection remains a major weakness in the modelling of stellar evolution with one-dimensional (1D) codes. The ever increasing computing power makes now possible to simulate in 3D part of a star for a fraction of its life, allowing u... Read More about 3D simulations of convective shell Neon-burning in a massive star.

A Photoionization Model for the Infrared Coronal Line Emission in the Classical Nova V1716 Scorpii (2024)
Journal Article
Woodward, C. E., Shaw, G., Starrfield, S., Evans, A., & Page, K. L. (2024). A Photoionization Model for the Infrared Coronal Line Emission in the Classical Nova V1716 Scorpii. Astrophysical Journal, 968(1), https://doi.org/10.3847/1538-4357/ad4097

A near-infrared spectrum of nova V1716 Scorpii (PNV J17224490-4137160), a recent bright ( Vmax=7.3 mag), Fermi-LAT detected γ-ray source, was modeled using the photoionization code CLOUDY. Abundances were estimated for He, C, N, O, Si, Al, Mg, Fe, Ne... Read More about A Photoionization Model for the Infrared Coronal Line Emission in the Classical Nova V1716 Scorpii.

GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc (2024)
Journal Article
Tey, E., Shporer, A., Lin, Z., Stassun, K. G., Lissauer, J. J., Hellier, C., …Jenkins, J. M. (2024). GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc. Astronomical Journal, 167(6), Article 283. https://doi.org/10.3847/1538-3881/ad3df1

We report the discovery of the transiting planet GJ 238 b, with a radius of 0.566 ± 0.014 R ⊕ (1.064 ± 0.026 times the radius of Mars) and an orbital period of 1.74 days. The transit signal was detected by the TESS mission and designated TOI-486.01.... Read More about GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc.

Biocatalytic Nucleobase Diversification of 4'-Thionucleosides and Application of Derived 5-Ethynyl-4'-thiouridine for RNA synthesis detection. (2024)
Journal Article
Westarp, S., Benckendorff, C., Motter, J., Rohrs, V., Sanghvi, Y., Neubauer, P., …Miller, G. J. (in press). Biocatalytic Nucleobase Diversification of 4'-Thionucleosides and Application of Derived 5-Ethynyl-4'-thiouridine for RNA synthesis detection. Angewandte Chemie, Article e202405040. https://doi.org/10.1002/anie.202405040

Nucleoside and nucleotide analogues have proven to be transformative in the treatment of viral infections and cancer. One branch of structural modification to deliver new nucleoside analogue classes explores replacement of canonical ribose oxygen wit... Read More about Biocatalytic Nucleobase Diversification of 4'-Thionucleosides and Application of Derived 5-Ethynyl-4'-thiouridine for RNA synthesis detection..

Biocatalytic Nucleobase Diversification of 4'‐Thionucleosides and Application of Derived 5‐Ethynyl‐4'‐thiouridine for RNA synthesis detection (2024)
Journal Article
Westarp, S., Benckendorff, C., Motter, J., Rohrs, V., Sanghvi, Y., Neubauer, P., …Miller, G. J. (in press). Biocatalytic Nucleobase Diversification of 4'‐Thionucleosides and Application of Derived 5‐Ethynyl‐4'‐thiouridine for RNA synthesis detection. Angewandte Chemie, Article e202405040. https://doi.org/10.1002/ange.202405040

Nucleoside and nucleotide analogues have proven to be transformative in the treatment of viral infections and cancer. One branch of structural modification to deliver new nucleoside analogue classes explores replacement of canonical ribose oxygen wit... Read More about Biocatalytic Nucleobase Diversification of 4'‐Thionucleosides and Application of Derived 5‐Ethynyl‐4'‐thiouridine for RNA synthesis detection.

Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy (2024)
Journal Article
Kuzuhara, M., Fukui, A., Livingston, J. H., Caballero, J. A., de Leon, J. P., Hirano, T., …Zapatero Osorio, M. R. (2024). Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy. Astrophysical Journal Letters, 967(2), Article L21. https://doi.org/10.3847/2041-8213/ad3642

Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observations. However, the number of such planets receiving low insolation i... Read More about Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy.

Parvalbumin Gene: A Valuable Marker for Pike Authentication and Allergen Risk Assessment. (2024)
Journal Article
Čermáková, E., Mukherjee, S., Nováková, D., Horká, P., Zdeňková, K., & Demnerová, K. (2024). Parvalbumin Gene: A Valuable Marker for Pike Authentication and Allergen Risk Assessment. Journal of Agricultural and Food Chemistry, 72(22), 12788–12797. https://doi.org/10.1021/acs.jafc.4c01410

Fish from the pike ( ) genus are valued in gastronomy for their superior meat quality. However, they can cause allergic reactions in sensitive consumers. This work aimed to fill the gap in the detection of pike allergens using molecular-biological te... Read More about Parvalbumin Gene: A Valuable Marker for Pike Authentication and Allergen Risk Assessment..

Kinematic substructure in star clusters constrains star cluster formation (2024)
Journal Article
Arnold, B., & Wright, N. J. (2024). Kinematic substructure in star clusters constrains star cluster formation. Monthly Notices of the Royal Astronomical Society, 531(1), 1191–1202. https://doi.org/10.1093/mnras/stae1236

The spatial-kinematic structure of 48 young star clusters and associations is investigated. Moran’s I statistic is used to quantify the degree of kinematic substructure in each region, and the results are compared to those expected assuming the hiera... Read More about Kinematic substructure in star clusters constrains star cluster formation.

A dusty rain falls on the nova V959 Monocerotis (2024)
Journal Article
Evans, A., Banerjee, D. P. K., Varricatt, W. P., & Joshi, V. (2024). A dusty rain falls on the nova V959 Monocerotis. Monthly Notices of the Royal Astronomical Society, 531(1), 728-738. https://doi.org/10.1093/mnras/stae1240

We present archival and ground-based infrared observations of the γ-ray-emitting nova V959 Mon, covering the period 100–4205 d after the 2012 eruption. We use these data to determine that the secondary in the nova system is a G5 main sequence star. D... Read More about A dusty rain falls on the nova V959 Monocerotis.

Recent developments in pyrene-based fluorescence recognition and imaging of Ag + and Pb 2+ ions: Synthesis, applications and challenges (2024)
Journal Article
Paul, S., Barman, P., Dey, N., & Watkinson, M. (in press). Recent developments in pyrene-based fluorescence recognition and imaging of Ag + and Pb 2+ ions: Synthesis, applications and challenges. Sensors & Diagnostics, https://doi.org/10.1039/d3sd00289f

Contamination of heavy metals in the environment is a burning and contemporary issue of modern life. Whilst lead contamination is historic, the ongoing extensive use of lead in batteries is likely to continue to cause serious environmental problems.... Read More about Recent developments in pyrene-based fluorescence recognition and imaging of Ag + and Pb 2+ ions: Synthesis, applications and challenges.

Experimental Determination of α Widths of ^{21}Ne Levels in the Region of Astrophysical Interest: New ^{17}O+α Reaction Rates and Impact on the Weak s Process. (2024)
Journal Article
Hammache, F., Adsley, P., Lamia, L., Harrouz, D. S., de Séréville, N., Bastin, B., …Wirth, H.-F. (2024). Experimental Determination of α Widths of ^{21}Ne Levels in the Region of Astrophysical Interest: New ^{17}O+α Reaction Rates and Impact on the Weak s Process. Physical Review Letters, 132(18), Article 182701. https://doi.org/10.1103/PhysRevLett.132.182701

The efficiency of the weak s process in low-metallicity rotating massive stars depends strongly on the rates of the competing ^{17}O(α,n)^{20}Ne and ^{17}O(α,γ)^{21}Ne reactions that determine the potency of the ^{16}O neutron poison. Their reaction... Read More about Experimental Determination of α Widths of ^{21}Ne Levels in the Region of Astrophysical Interest: New ^{17}O+α Reaction Rates and Impact on the Weak s Process..

Forensic geoscience non-invasive detection and characterisation of underground clandestine complexes, bunkers, tunnels and firing ranges (2024)
Journal Article
Pringle, J. K., Ruffell, A., Styles, P., Stringfellow, M., Stimpson, I. G., Banham, S. G., …Thompson, J. (2024). Forensic geoscience non-invasive detection and characterisation of underground clandestine complexes, bunkers, tunnels and firing ranges. Forensic Science International, 359, Article 112033. https://doi.org/10.1016/j.forsciint.2024.112033

Recent events in conflict zones have emphasized that the successful detection and characterisation of buried clandestine complexes, bunkers and tunnels is vitally important for forensic investigators globally, to reduce or solve criminal activities,... Read More about Forensic geoscience non-invasive detection and characterisation of underground clandestine complexes, bunkers, tunnels and firing ranges.

Identification of the Top TESS Objects of Interest for Atmospheric Characterization of Transiting Exoplanets with JWST (2024)
Journal Article
Hord, B. J., Kempton, E. M., M. Evans-Soma, T., Latham, D. W., Ciardi, D. R., Dragomir, D., …Zucker, S. (2024). Identification of the Top TESS Objects of Interest for Atmospheric Characterization of Transiting Exoplanets with JWST. Astronomical Journal, 167(5), Article 233. https://doi.org/10.3847/1538-3881/ad3068

JWST has ushered in an era of unprecedented ability to characterize exoplanetary atmospheres. While there are over 5000 confirmed planets, more than 4000 Transiting Exoplanet Survey Satellite (TESS) planet candidates are still unconfirmed and many of... Read More about Identification of the Top TESS Objects of Interest for Atmospheric Characterization of Transiting Exoplanets with JWST.

The Gaia-ESO Survey: The DR5 analysis of the medium-resolution GIRAFFE and high-resolution UVES spectra of FGK-type stars (2024)
Journal Article
Worley, C. C., Smiljanic, R., Magrini, L., Frasca, A., Franciosini, E., Montes, D., …Morbidelli, L. (2024). The Gaia-ESO Survey: The DR5 analysis of the medium-resolution GIRAFFE and high-resolution UVES spectra of FGK-type stars. Astronomy & Astrophysics, 684, Article A148. https://doi.org/10.1051/0004-6361/202347558

The Gaia-ESO Survey is an European Southern Observatory (ESO) public spectroscopic survey that targeted 105 stars in the Milky Way covering the major populations of the disk, bulge and halo. The observations were made using FLAMES on the VLT obtainin... Read More about The Gaia-ESO Survey: The DR5 analysis of the medium-resolution GIRAFFE and high-resolution UVES spectra of FGK-type stars.

Defects and Spectroscopic Investigation of Eu3+ Doping in MgGa2O4 (2024)
Journal Article
Sousa, M. F., de Mesquita, B. R., Oliveira, J. L., Silva, C. H. P., Tavares, F. J. R., Santos, R. D. S., …Jackson, R. A. (in press). Defects and Spectroscopic Investigation of Eu3+ Doping in MgGa2O4. physica status solidi (b), Article 2300580. https://doi.org/10.1002/pssb.202300580

Atomistic simulation is performed to study the defect properties and spectroscopy in the MgGa2O4 structure. The calculations indicate that the most favorable type of intrinsic defect is generated by the cation antisite defect, in which there is an ex... Read More about Defects and Spectroscopic Investigation of Eu3+ Doping in MgGa2O4.

Magnetic origin of the discrepancy between stellar limb-darkening models and observations (2024)
Journal Article
Kostogryz, N. M., Shapiro, A. I., Witzke, V., Cameron, R. H., Gizon, L., Krivova, N. A., …Valenti, J. (in press). Magnetic origin of the discrepancy between stellar limb-darkening models and observations. Nature Astronomy, https://doi.org/10.1038/s41550-024-02252-5

Stars appear darker at their limbs than at their disk centres because at the limb we are viewing the higher and cooler layers of stellar photospheres. Yet, limb darkening derived from state-of-the-art stellar atmosphere models systematically fails to... Read More about Magnetic origin of the discrepancy between stellar limb-darkening models and observations.

The EBLM Project XII. An eccentric, long-period eclipsing binary with a companion near the hydrogen-burning limit (2024)
Journal Article
Davis, Y. T., Triaud, A. H. M. J., Freckelton, A. V., Mortier, A., Brahm, R., Sebastian, D., …Udry, S. (2024). The EBLM Project XII. An eccentric, long-period eclipsing binary with a companion near the hydrogen-burning limit. Monthly Notices of the Royal Astronomical Society, 530(3), https://doi.org/10.1093/mnras/stae842

In the hunt for Earth-like exoplanets it is crucial to have reliable host star parameters, as they have a direct impact on the accuracy and precision of the inferred parameters for any discovered exoplanet. For stars with masses between 0.35 and 0.5... Read More about The EBLM Project XII. An eccentric, long-period eclipsing binary with a companion near the hydrogen-burning limit.

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. (2024)
Journal Article
Sebastian, D., Triaud, A. H. M. J., Brogi, M., Baycroft, T. A., Standing, M. R., Maxted, P. F. L., …Nielsen, M. B. (2024). 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. Monthly Notices of the Royal Astronomical Society, 530(3), 2572–2589. https://doi.org/10.1093/mnras/stae459

High-contrast eclipsing binaries with low mass M-dwarf secondaries are precise benchmark stars to build empirical mass-radius relationships for fully convective low-mass ($\rm M_{\star } < 0.35\, M_{\odot }$) dwarf stars. The contributed light... Read More about 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..

Looking for timing variations in the transits of 16 exoplanets (2024)
Journal Article
Yalçınkaya, S., Esmer, E. M., Baştürk, Ö., Muhaymin, A., Kutluay, A. C., Silistre, D. İ., …Yeşilyaprak, C. (in press). Looking for timing variations in the transits of 16 exoplanets. Monthly Notices of the Royal Astronomical Society, 530(3), 2475–2495. https://doi.org/10.1093/mnras/stae854

We update the ephemerides of 16 transiting exoplanets using our ground-based observations, new TESS data, and previously published observations including those of amateur astronomers. All these light curves were modeled by making use of a set of quan... Read More about Looking for timing variations in the transits of 16 exoplanets.