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All Outputs (2019)

Transit timing variation analysis of the low-mass brown dwarf KELT-1 b (2023)
Journal Article
Baştürk, Ö., Taylor, J., Yalçınkaya, S., Mancini, L., Esmer, E., Tekin, M., …Yeşilyaprak, C. (2023). Transit timing variation analysis of the low-mass brown dwarf KELT-1 b. Monthly Notices of the Royal Astronomical Society, 521(1), 1200-1209. https://doi.org/10.1093/mnras/stad248

We investigate whether there is a variation in the orbital period of the short-period brown dwarf-mass KELT-1 b, which is one of the best candidates to observe orbital decay. We obtain 19 high-precision transit light curves of the target using six di... Read More about Transit timing variation analysis of the low-mass brown dwarf KELT-1 b.

Synthesis of 4-thio-d-glucopyranose and interconversion to 4-thio-d-glucofuranose. (2023)
Journal Article
Porter, J., Lima, M. A., Pongener, I., & Miller, G. (2023). Synthesis of 4-thio-d-glucopyranose and interconversion to 4-thio-d-glucofuranose. Carbohydrate Research, 524, Article 108759. https://doi.org/10.1016/j.carres.2023.108759

Sulfur containing glycosides offer an exciting prospect for inclusion within noncanonical glycan sequences, particularly as enabling probes for chemical glycobiology and for carbohydrate-based therapeutic development. In this context, we required acc... Read More about Synthesis of 4-thio-d-glucopyranose and interconversion to 4-thio-d-glucofuranose..

TOI-969: a late-K dwarf with a hot mini-Neptune in the desert and an eccentric cold Jupiter (2023)
Journal Article
Hellier. (2023). TOI-969: a late-K dwarf with a hot mini-Neptune in the desert and an eccentric cold Jupiter. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202243879

Context. The current architecture of a given multi-planetary system is a key fingerprint of its past formation and dynamical evolution history. Long-term follow-up observations are key to complete their picture. Aims. In this paper, we focus on the c... Read More about TOI-969: a late-K dwarf with a hot mini-Neptune in the desert and an eccentric cold Jupiter.

Examining the orbital decay targets KELT-9 b, KELT-16 b, and WASP-4 b, and the transit-timing variations of HD 97658 b (2023)
Journal Article
Maxted, P., & Hellier, C. (2023). Examining the orbital decay targets KELT-9 b, KELT-16 b, and WASP-4 b, and the transit-timing variations of HD 97658 b. Astronomy & Astrophysics, 669, Article A124. https://doi.org/10.1051/0004-6361/202244529

Context. Tidal orbital decay is suspected to occur for hot Jupiters in particular, with the only observationally confirmed case of this being WASP-12b. By examining this effect, information on the properties of the host star can be obtained using the... Read More about Examining the orbital decay targets KELT-9 b, KELT-16 b, and WASP-4 b, and the transit-timing variations of HD 97658 b.

Geographical Variation of Cuticular Hydrocarbon Profiles of Adult Flies and Empty Puparia Amongst Three Populations of Calliphora vicina (Diptera: Calliphoridae). (2023)
Journal Article
Kula, C., Amendt, J., Drijfhout, F., & Moore, H. (2023). Geographical Variation of Cuticular Hydrocarbon Profiles of Adult Flies and Empty Puparia Amongst Three Populations of Calliphora vicina (Diptera: Calliphoridae). Journal of Medical Entomology, 14 - 23. https://doi.org/10.1093/jme/tjac167

Blowflies (Diptera: Calliphoridae) are of great importance in forensic entomology and in determining the minimum post-mortem interval, as they may be the first group of insects to colonize decomposing remains. Reliable species identification is an es... Read More about Geographical Variation of Cuticular Hydrocarbon Profiles of Adult Flies and Empty Puparia Amongst Three Populations of Calliphora vicina (Diptera: Calliphoridae)..

55 Cancri e's occultation captured with CHEOPS (2023)
Journal Article
Matthews, P., Demory, B., Sulis, S., Valdes, E., Brandeker, A., Billot, N., …Walton, N. (2023). 55 Cancri e's occultation captured with CHEOPS. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202244894

Past occultation and phase-curve observations of the ultra-short period super-Earth 55 Cnc e obtained at visible and infrared wavelengths have been challenging to reconcile with a planetary reflection and emission model. In this study, we analyse a s... Read More about 55 Cancri e's occultation captured with CHEOPS.

Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM (2023)
Journal Article
Rustamkulov, Z., Sing, D. K., Mukherjee, S., May, E. M., Kirk, J., Schlawin, E., …Zieba, S. (2023). Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM. Nature, 614, 659–663. https://doi.org/10.1038/s41586-022-05677-y

Transmission spectroscopy1,2,3 of exoplanets has revealed signatures of water vapor, aerosols, and alkali metals in a few dozen exoplanet atmospheres4,5. However, these previous inferences with the Hubble and Spitzer Space Telescopes were hindered by... Read More about Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM.

The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. V. The Star Formation History of Sagittarius Dwarf Irregular Galaxy Derived from Long-period Variable Stars (2023)
Journal Article
Van Loon, J. (2023). The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. V. The Star Formation History of Sagittarius Dwarf Irregular Galaxy Derived from Long-period Variable Stars. Astrophysical Journal, https://doi.org/10.3847/1538-4357/aca471

We conducted an optical monitoring survey of the Sagittarius dwarf irregular galaxy (SagDIG) during the period of 2016 June–2017 October, using the 2.5 m Isaac Newton Telescopeat La Palama. Our goal was to identify long-period variable stars (LPVs),... Read More about The Isaac Newton Telescope Monitoring Survey of Local Group Dwarf Galaxies. V. The Star Formation History of Sagittarius Dwarf Irregular Galaxy Derived from Long-period Variable Stars.

TOI 560: Two Transiting Planets Orbiting a K Dwarf Validated with iSHELL, PFS, and HIRES RVs (2023)
Journal Article
Hellier. (2023). TOI 560: Two Transiting Planets Orbiting a K Dwarf Validated with iSHELL, PFS, and HIRES RVs. Astronomical Journal, https://doi.org/10.3847/1538-3881/ac9834

We validate the presence of a two-planet system orbiting the 0.15–1.4 Gyr K4 dwarf TOI 560 (HD 73583). The system consists of an inner moderately eccentric transiting mini-Neptune (TOI 560 b, $P={6.3980661}_{-0.0000097}^{+0.0000095}$ days, $e={0.294}... Read More about TOI 560: Two Transiting Planets Orbiting a K Dwarf Validated with iSHELL, PFS, and HIRES RVs.

Teaching remote laboratories using smart phone sensors: determining the density of air (2023)
Journal Article
Wye. (2023). Teaching remote laboratories using smart phone sensors: determining the density of air. Physics Education, 58(1), 015002 - 015002. https://doi.org/10.1088/1361-6552/ac9816

Abstract During the COVID-19 pandemic and subsequent lockdown, both schools and universities faced significant challenges in moving teaching from an in-situ setting to a remote one, this included laboratory experiments. This paper presents an experim... Read More about Teaching remote laboratories using smart phone sensors: determining the density of air.

Fundamental effective temperature measurements for eclipsing binary stars (2022)
Thesis
Miller, N. J. (2022). Fundamental effective temperature measurements for eclipsing binary stars. (Thesis). Keele University

Modern high-precision spectroscopy and photometry has made it possible to directly measure masses and radii for stars in detached eclipsing binaries (DEBs) to 0.5% or better. These stars, due to their wide orbits, are suitable for testing models of s... Read More about Fundamental effective temperature measurements for eclipsing binary stars.

δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642 (2022)
Journal Article
Southworth, J., Murphy, S. J., & Pavlovski, K. (2022). δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642. Monthly Notices of the Royal Astronomical Society: Letters, 520(1), L53-L57. https://doi.org/10.1093/mnrasl/slad004

We announce the discovery of pulsations in HD?23642, the only bright eclipsing system in the Pleiades, based on light curves from the Transiting Exoplanet Survey Satellite (TESS). We measure 46 pulsation frequencies and attribute them to d?Scuti puls... Read More about δ Scuti pulsations in the bright Pleiades eclipsing binary HD 23642.

Synthesis of a B-Antigen Hexasaccharide, a B-Lewis b Heptasaccharide and Glycoconjugates Thereof to Investigate Binding Properties of Helicobacter pylori (2022)
Journal Article
Reihill, M., Fournière, V., Cheallaigh, A. N., Edlund, J. O., Miller, G. J., Borén, T., …Oscarson, S. (2023). Synthesis of a B-Antigen Hexasaccharide, a B-Lewis b Heptasaccharide and Glycoconjugates Thereof to Investigate Binding Properties of Helicobacter pylori. Chemistry - A European Journal, 29(16), Article e202203672. https://doi.org/10.1002/chem.202203672

AbstractInfecting the stomach of almost 50 % of people, Helicobacter pylori is a causative agent of gastritis, peptic ulcers and stomach cancers. Interactions between bacterial membrane‐bound lectin, Blood group Antigen Binding Adhesin (BabA), and hu... Read More about Synthesis of a B-Antigen Hexasaccharide, a B-Lewis b Heptasaccharide and Glycoconjugates Thereof to Investigate Binding Properties of Helicobacter pylori.

A unified framework for acoustic instabilities based on the tailored Green's function (2022)
Journal Article
Heckl. (2022). A unified framework for acoustic instabilities based on the tailored Green's function. Journal of Sound and Vibration, 1-24. https://doi.org/10.1016/j.jsv.2022.117279

This paper presents a unified framework to analyse the role of thermoacoustic and aeroacoustic sources in a one-dimensional acoustic resonator. We introduce two forms of the tailored Green’s function: one that satisfies the boundary conditions of the... Read More about A unified framework for acoustic instabilities based on the tailored Green's function.

Portable, low-cost, Raspberry Pi-based optical sensor (PiSENS): continuous monitoring of atmospheric nitrogen dioxide (2022)
Journal Article
Saiz, E., Banicevic, I., Espinoza Torres, S., Bertata, S., Picasso, G., O'Brien, M., & Radu, A. (in press). Portable, low-cost, Raspberry Pi-based optical sensor (PiSENS): continuous monitoring of atmospheric nitrogen dioxide. Analytical Methods, 15(4), 482-491. https://doi.org/10.1039/d2ay01433e

We have developed a sensing system that utilizes a low-cost computer (Raspberry Pi) and its imaging camera as an optical sensing core for the continuous detection of NO2 in the air (PiSENS-A). The sensor is based on colour development as a consequenc... Read More about Portable, low-cost, Raspberry Pi-based optical sensor (PiSENS): continuous monitoring of atmospheric nitrogen dioxide.

Phase curve and geometric albedo of WASP-43b measured with CHEOPS, TESS, and HST WFC3/UVIS (2022)
Journal Article
Maxted. (2022). Phase curve and geometric albedo of WASP-43b measured with CHEOPS, TESS, and HST WFC3/UVIS. Astronomy & Astrophysics, https://doi.org/10.1051/0004-6361/202243974

Context. Observations of the phase curves and secondary eclipses of extrasolar planets provide a window onto the composition and thermal structure of the planetary atmospheres. For example, the photometric observations of secondary eclipses lead to t... Read More about Phase curve and geometric albedo of WASP-43b measured with CHEOPS, TESS, and HST WFC3/UVIS.

Front Cover: 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 (ChemPlusChem 1/2023) (2022)
Digital Artefact
O'Brien, M., & Moraru, R. (2023). Front Cover: 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 1/2023). [Front cover to Journal]