All Outputs (100)

The evolution of a stereoselective synthesis of the C1–C16 fragment of bryostatins (2016)
Journal Article
Ball, M., Baron, A., Bradshaw, B., Dumeunier, R., O'Brien, M., & Thomas, E. J. The evolution of a stereoselective synthesis of the C1–C16 fragment of bryostatins. Organic and Biomolecular Chemistry, 14(40), 9650-9681. https://doi.org/10.1039/c6ob01804a

The development of a synthesis of the C1–C16 fragment of bryostatins in which the key step is a stereoselective oxy-Michael reaction used to assemble the cis-2,6-disubstituted tetrahydropyran with the exocyclic alkene already installed, is described.... Read More about The evolution of a stereoselective synthesis of the C1–C16 fragment of bryostatins.

On the Determination of Transiting Planet Properties from Light and Radial Velocity Curves (2016)
Journal Article
Taylor. (2016). On the Determination of Transiting Planet Properties from Light and Radial Velocity Curves. Publications of the Astronomical Society of the Pacific, 129(972), Article 024401. https://doi.org/10.1088/1538-3873/129/972/024401

A recent publication has suggested a method to determine the masses and radii of the components of an eclipsing system using only a light curve and radial velocities of one component. If true, this would have immediate impact in expediting the study... Read More about On the Determination of Transiting Planet Properties from Light and Radial Velocity Curves.

MiNDSTEp differential photometry of the gravitationally lensed quasars WFI 2033-4723 and HE0047-1756: microlensing and a new time delay (2016)
Journal Article
Giannini, E., Schmidt, R., Wambsganss, J., Alsubai, K., Andersen, J., Anguita, T., …Zimmer, F. (2017). MiNDSTEp differential photometry of the gravitationally lensed quasars WFI 2033-4723 and HE0047-1756: microlensing and a new time delay. Astronomy & Astrophysics, 597, Article A49. https://doi.org/10.1051/0004-6361/201527422

Aims We present V and R photometry of the gravitationally lensed quasars WFI?2033-4723 and HE?0047-1756. The data were taken by the MiNDSTEp collaboration with the 1.54 m Danish telescope at the ESO La Silla observatory from 2008 to 2012. Methods... Read More about MiNDSTEp differential photometry of the gravitationally lensed quasars WFI 2033-4723 and HE0047-1756: microlensing and a new time delay.

Massive Star Evolution: What we do (not) know (2016)
Journal Article
Georgy, C., Hirschi, R., & Ekström, S. (2016). Massive Star Evolution: What we do (not) know. Proceedings of the Polish Astronomical Society, 5, 37-44

The modelling of massive star evolution is a complex task, and is very sensitive to the way physical processes (such as convection, rotation, mass loss, etc.) are included in stellar evolution code. Moreover, the very high observed fraction of binary... Read More about Massive Star Evolution: What we do (not) know.

WASP-20 IS A CLOSE VISUAL BINARY WITH A TRANSITING HOT JUPITER (2016)
Journal Article
Evans, D. F., Southworth, J., & Smalley, B. (2016). WASP-20 IS A CLOSE VISUAL BINARY WITH A TRANSITING HOT JUPITER. Astrophysical Journal Letters, 833, Article L19. https://doi.org/10.3847/2041-8213/833/2/L19

We announce the discovery that WASP-20 is a binary stellar system, consisting of two components separated by 0.2578 ± 0farcs0007 on the sky, with a flux ratio of 0.4639 ± 0.0015 in the K-band. It has previously been assumed that the system consists o... Read More about WASP-20 IS A CLOSE VISUAL BINARY WITH A TRANSITING HOT JUPITER.

The influence of halides in polyoxotitanate cages; dipole moment, splitting and expansion of d-orbitals and electron–electron repulsion (2016)
Journal Article
Li, N., Luo, H., Wright, D., Hanf, S., & Matthews, P. (2016). The influence of halides in polyoxotitanate cages; dipole moment, splitting and expansion of d-orbitals and electron–electron repulsion. Dalton Transactions, 578-585. https://doi.org/10.1039/c6dt04288k

Metal-doped polyoxotitanate (M-POT) cages have been shown to be efficient single-source precursors to metal-doped titania [TiO2(M)] (state-of-the-art photocatalytic materials) as well as molecular models for the behaviour of dopant metal ions in bulk... Read More about The influence of halides in polyoxotitanate cages; dipole moment, splitting and expansion of d-orbitals and electron–electron repulsion.

Orbital alignment and star-spot properties in the WASP-52 planetary system (2016)
Journal Article
Mancini, L., Southworth, J., Raia, G., Tregloan-Reed, J., Mollière, P., Bozza, V., …Wertz, O. (2017). Orbital alignment and star-spot properties in the WASP-52 planetary system. Monthly Notices of the Royal Astronomical Society, 465(1), 843 - 857. https://doi.org/10.1093/mnras/stw1987

We report 13 high-precision light curves of eight transits of the exoplanet WASP-52 b, obtained by using four medium-class telescopes, through different filters, and adopting the defocussing technique. One transit was recorded simultaneously from two... Read More about Orbital alignment and star-spot properties in the WASP-52 planetary system.

Spectroelectrochemistry at free-standing carbon nanotubes electrodes (2016)
Journal Article
Ibañez, D., Garoz-Ruiz, J., Plana, D., Heras, A., Fermín, D., & Colina, A. (2016). Spectroelectrochemistry at free-standing carbon nanotubes electrodes. Electrochimica Acta, 217, 262-268. https://doi.org/10.1016/j.electacta.2016.09.074

A versatile and low-cost methodology for fabricating free-standing carbon nanotubes (CNT) electrodes for electrochemical and spectroelectrochemical applications is described. The uniformity, flexibility and resistance to bending of these films make t... Read More about Spectroelectrochemistry at free-standing carbon nanotubes electrodes.

A spectroscopic study of the open cluster NGC 6250 (2016)
Journal Article
Martin, A., Stift, M., Fossati, L., Bagnulo, S., Scalia, C., Leone, F., & Smalley, B. (2017). A spectroscopic study of the open cluster NGC 6250. Monthly Notices of the Royal Astronomical Society, 466(1), 613 - 627. https://doi.org/10.1093/mnras/stw3052

We present the chemical abundance analysis of 19 upper main-sequence stars of the young open cluster NGC 6250 (log t~7.42 yr). Thiswork is part of a project aimed at setting observational constraints on the theory of atomic diffusion in stellar pho... Read More about A spectroscopic study of the open cluster NGC 6250.

WASP-South transiting exoplanets: WASP-130b, WASP-131b, WASP-132b, WASP-139b, WASP-140b, WASP-141b and WASP-142b (2016)
Journal Article
Hellier, C., Anderson, D., Collier Cameron, A., Delrez, L., Gillon, M., Jehin, E., …West, R. (2017). WASP-South transiting exoplanets: WASP-130b, WASP-131b, WASP-132b, WASP-139b, WASP-140b, WASP-141b and WASP-142b. Monthly Notices of the Royal Astronomical Society, 465(3), 3693-3707. https://doi.org/10.1093/mnras/stw3005

We describe seven exoplanets transiting stars of brightness V = 10.1–12.4. WASP-130b is a ‘warm Jupiter’ having an orbital period of 11.6 d around a metal-rich G6 star. Its mass and radius (1.23 ± 0.04 MJup and 0.89 ± 0.03 RJup) support the trend tha... Read More about WASP-South transiting exoplanets: WASP-130b, WASP-131b, WASP-132b, WASP-139b, WASP-140b, WASP-141b and WASP-142b.

Testing The Asteroseismic Scaling Relations For Red Giants With Eclipsing Binaries Observed By Kepler (2016)
Journal Article
Gaulme, P., McKeever, J., Jackiewicz, J., Rawls, M., Corsaro, E., Mosser, B., …Deshpande, R. (2016). Testing The Asteroseismic Scaling Relations For Red Giants With Eclipsing Binaries Observed By Kepler. Astrophysical Journal, 832(2), Article 121. https://doi.org/10.3847/0004-637X/832/2/121

Given the potential of ensemble asteroseismology for understanding fundamental properties of large numbers of stars, it is critical to determine the accuracy of the scaling relations on which these measurements are based. From several powerful valida... Read More about Testing The Asteroseismic Scaling Relations For Red Giants With Eclipsing Binaries Observed By Kepler.

Matchout deuterium labelling of proteins for small-angle neutron scattering studies using prokaryotic and eukaryotic expression systems and high cell-density culture (2016)
Journal Article
(2016). Matchout deuterium labelling of proteins for small-angle neutron scattering studies using prokaryotic and eukaryotic expression systems and high cell-density culture. European Biophysics Journal, 425-432. https://doi.org/10.1007/s00249-016-1186-2

Small-angle neutron scattering (SANS) is a powerful technique for the characterisation of macromolecular structures and interactions. Its main advantage over other solution state approaches is the ability to use D2O/H2O solvent contrast variation to... Read More about Matchout deuterium labelling of proteins for small-angle neutron scattering studies using prokaryotic and eukaryotic expression systems and high cell-density culture.

Synthetic routes to iron chalcogenide nanoparticles and thin films (2016)
Journal Article
Matthews, P., Akhtar, M., Malik, M., Revaprasadu, N., & O'Brien, P. (2016). Synthetic routes to iron chalcogenide nanoparticles and thin films. Dalton Transactions, 18803-18812. https://doi.org/10.1039/C6DT03486A

Iron chalcogenides are earth abundant, cheap and environmentally benign materials that have seen extensive research directed toward a range of applications, most notably for photovoltaics. The most common forms of materials for these applications are... Read More about Synthetic routes to iron chalcogenide nanoparticles and thin films.

Flexible Porous Coordination Polymers from Divergent Photoluminescent 4-Oxo-1,8-naphthalimide Ligands (2016)
Journal Article
Hawes, C. S. (2016). Flexible Porous Coordination Polymers from Divergent Photoluminescent 4-Oxo-1,8-naphthalimide Ligands. Inorganic Chemistry, 11570 -11582. https://doi.org/10.1021/acs.inorgchem.6b02137

Two new luminescent ditopic naphthalimide-derived ligands, N-(4-cyanophenylmethylene)-4-(4-cyanophenoxy)-1,8-naphthalimide (L3) and N-(4-carboxyphenylmethylene)-4-(4-carboxyphenoxy)-1,8- naphthalimide (H2L4), have been prepared, and their coordinati... Read More about Flexible Porous Coordination Polymers from Divergent Photoluminescent 4-Oxo-1,8-naphthalimide Ligands.

The First Simultaneous Microlensing Observations by Two Space Telescopes: Spitzer and Swift Reveal a Brown Dwarf in Event OGLE-2015-BLG-1319 (2016)
Journal Article
Shvartzvald, Y., Li, Z., Udalski, A., Gould, A., Sumi, T., Street, R., …Gehrels, N. (2016). The First Simultaneous Microlensing Observations by Two Space Telescopes: Spitzer and Swift Reveal a Brown Dwarf in Event OGLE-2015-BLG-1319. Astrophysical Journal, 831(2), Article 183. https://doi.org/10.3847/0004-637X/831/2/183

Simultaneous observations of microlensing events from multiple locations allow for the breaking of degeneracies between the physical properties of the lensing system, specifically by exploring different regions of the lens plane and by directly measu... Read More about The First Simultaneous Microlensing Observations by Two Space Telescopes: Spitzer and Swift Reveal a Brown Dwarf in Event OGLE-2015-BLG-1319.

Photoelectrochemical activity of colloidal TiO2 nanostructures assembled at polarisable liquid/liquid interfaces (2016)
Journal Article
Plana. (2016). Photoelectrochemical activity of colloidal TiO2 nanostructures assembled at polarisable liquid/liquid interfaces. Journal of Electroanalytical Chemistry, 373 -378. https://doi.org/10.1016/j.jelechem.2015.09.030

Photoelectrochemical responses arising from the heterogeneous hole-transfer from colloidal TiO2 nanoparticles to ferrocene species across the polarizable water/1,2-dichloroethane (DCE) interface are investigated as a function of the formal redox pote... Read More about Photoelectrochemical activity of colloidal TiO2 nanostructures assembled at polarisable liquid/liquid interfaces.

WASP-157b, a Transiting Hot Jupiter Observed with K2 (2016)
Journal Article
Močnik, T., Anderson, D., Brown, D., Collier Cameron, A., Delrez, L., Gillon, M., …West, R. (2016). WASP-157b, a Transiting Hot Jupiter Observed with K2. Publications of the Astronomical Society of the Pacific, 128(970), Article 124403. https://doi.org/10.1088/1538-3873/128/970/124403

We announce the discovery of the transiting hot Jupiter WASP-157b in a 3.95-d orbit around a V = 12.9 G2 main-sequence star. This moderately inflated planet has a Saturn-like density, with a mass of 0.57 ± 0.10 MJup and a radius of 1.06 ± 0.05 RJup.... Read More about WASP-157b, a Transiting Hot Jupiter Observed with K2.

Campaign 9 of the K2 Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey (2016)
Journal Article
Henderson, C. B., Poleski, R., Penny, M., Street, R. A., Bennett, D. P., Hogg, D. W., …Wang, D. (2016). Campaign 9 of the K2 Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey. Publications of the Astronomical Society of the Pacific, 128(124401), https://doi.org/10.1088/1538-3873/128/970/124401

K2's Campaign 9 (K2C9) will conduct a ~3.7 deg2 survey toward the Galactic bulge from 2016 April 22 through July 2 that will leverage the spatial separation between K2 and the Earth to facilitate measurement of the microlens parallax ${\pi }_{{\rm{E}... Read More about Campaign 9 of the K2 Mission: Observational Parameters, Scientific Drivers, and Community Involvement for a Simultaneous Space- and Ground-based Microlensing Survey.

The wind speeds, dust content, and mass-loss rates of evolved AGB and RSG stars at varying metallicity (2016)
Journal Article
Goldman, S. R., van Loon, J. T., Zijlstra, A. A., Green, J. A., Wood, P. R., Nanni, A., …Gómez, J. F. (2017). The wind speeds, dust content, and mass-loss rates of evolved AGB and RSG stars at varying metallicity. Monthly Notices of the Royal Astronomical Society, 465(1), 403-433. https://doi.org/10.1093/mnras/stw2708

We present the results of our survey of 1612-MHz circumstellar OH maser emission from asymptotic giant branch (AGB) stars and red supergiants (RSGs) in the Large Magellanic Cloud (LMC). We have discovered four new circumstellar maser sources in the L... Read More about The wind speeds, dust content, and mass-loss rates of evolved AGB and RSG stars at varying metallicity.

A solar twin in the eclipsing binary LL Aquarii (2016)
Journal Article
Graczyk, D., Smolec, R., Pavlovski, K., Southworth, J., Pietrzyński, G., Maxted, P., …Anderson, R. (2016). A solar twin in the eclipsing binary LL Aquarii. Astronomy & Astrophysics, 594, Article A92. https://doi.org/10.1051/0004-6361/201628918

Aims. In the course of a project to study eclipsing binary stars in vinicity of the Sun, we found that the cooler component of LL Aqr is a solar twin candidate. This is the first known star with properties of a solar twin existing in a non-interactin... Read More about A solar twin in the eclipsing binary LL Aquarii.