All Outputs (1644)

Thermal emission at 3.6–8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star (2013)
Journal Article
Anderson, D. R., Smith, A. M. S., Madhusudhan, N., Wheatley, P. J., Collier Cameron, A., Hellier, C., …West, R. G. (2013). Thermal emission at 3.6–8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star. Monthly Notices of the Royal Astronomical Society, 430(4), 3422-3431. https://doi.org/10.1093/mnras/stt140

We report detection of thermal emission from the exoplanet WASP-19b at 3.6, 4.5, 5.8 and 8.0 μm. We used the InfraRed Array Camera on the Spitzer Space Telescope to observe two occultations of WASP-19b by its host star. We combine our new detections... Read More about Thermal emission at 3.6–8 μm from WASP-19b: a hot Jupiter without a stratosphere orbiting an active star.

A lower radius and mass for the transiting extrasolar planet HAT-P-8 b (2013)
Journal Article
Mancini, L., Southworth, J., Ciceri, S., Fortney, J. J., Morley, C. V., Dittmann, J. A., …Henning, T. (2013). A lower radius and mass for the transiting extrasolar planet HAT-P-8 b. Astronomy & Astrophysics, 551, Article A11. https://doi.org/10.1051/0004-6361/201220291

Context. The extrasolar planet HAT-P-8 b was thought to be one of the more inflated transiting hot Jupiters. Aims. By using new and existing photometric data, we computed precise estimates of the physical properties of the system. Methods. We p... Read More about A lower radius and mass for the transiting extrasolar planet HAT-P-8 b.

First results of an Hα based search of classical Be stars in the Perseus Arm and beyond (2013)
Journal Article
Raddi, R., Drew, J. E., Fabregat, J., Steeghs, D., Wright, N. J., Sale, S. E., …Drake, J. J. (2013). First results of an Hα based search of classical Be stars in the Perseus Arm and beyond. Monthly Notices of the Royal Astronomical Society, 430(3), 2169-2187. https://doi.org/10.1093/mnras/stt038

We investigate a region of the Galactic plane, between 120° ≤ ℓ ≤ 140° and −1° ≤ b ≤ +4°, and uncover a population of moderately reddened (E(B − V) ∼ 1) classical Be stars within and beyond the Perseus and Outer Arms. 370 candidate emission-line star... Read More about First results of an Hα based search of classical Be stars in the Perseus Arm and beyond.

Angular momentum evolution of cool stars: Toward a synthesis of observations and theory before and after the ZAMS (2013)
Journal Article
Meibom, S., Barnes, S., Covey, K., Jeffries, R., Matt, S., Morin, J., …Irwin, J. (2013). Angular momentum evolution of cool stars: Toward a synthesis of observations and theory before and after the ZAMS. Astronomische Nachrichten, 334(1-2), 168-171. https://doi.org/10.1002/asna.201211777

The coexistence of fast and slowly rotating cool stars in ZAMS clusters – forming distinct sequences in the color vs. rotation period plane – is providing clues to differences in their pre main-sequence angular momentum evolution. This Cool Stars 17... Read More about Angular momentum evolution of cool stars: Toward a synthesis of observations and theory before and after the ZAMS.

The stellar activity-rotation relationship: The stellar activity-rotation relationship (2013)
Journal Article
Wright, N., Drake, J., Mamajek, E., & Henry, G. (2013). The stellar activity-rotation relationship: The stellar activity-rotation relationship. Astronomische Nachrichten, 334(1-2), 151-154. https://doi.org/10.1002/asna.201211764

Using a new catalog of 824 solar and late-type stars with measured X-ray luminosities and rotation periods we have studied the relationship between rotation and stellar activity that is believed to be a probe of the underlying stellar dynamo. Using a... Read More about The stellar activity-rotation relationship: The stellar activity-rotation relationship.

The VLT-FLAMES Tarantula Survey: IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium⋆ (2013)
Journal Article
van Loon, J. T., Bailey, M., Tatton, B. L., Maíz Apellániz, J., Crowther, P. A., de Koter, A., …Walborn, N. R. (2013). The VLT-FLAMES Tarantula Survey: IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium⋆. Astronomy & Astrophysics, 550, Article A108. https://doi.org/10.1051/0004-6361/201220210

Context. The Tarantula Nebula (a.k.a. 30 Dor) is a spectacular star-forming region in the Large Magellanic Cloud (LMC), seen through gas in the Galactic disc and halo. Diffuse interstellar bands (DIBs) offer a unique probe of the diffuse, cool-warm g... Read More about The VLT-FLAMES Tarantula Survey: IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium⋆.

Intrinsic magnetism in nanosheets of SnO2: A first-principles study (2013)
Journal Article
Abreu Da Silva Morbec. (2013). Intrinsic magnetism in nanosheets of SnO2: A first-principles study. Journal of Magnetism and Magnetic Materials, 104 -108. https://doi.org/10.1016/j.jmmm.2012.10.017

We propose intrinsic magnetism in nanosheets of SnO2, based on first-principles calculations. The electronic structure and spin density reveal that p orbitals of the oxygen atoms, surrounding Sn vacancies, have a non-itinerant nature which gives birt... Read More about Intrinsic magnetism in nanosheets of SnO2: A first-principles study.

Stereoselectivity and conformational control in the synthesis of ajmaline and epi-ajmaline alkaloids (2013)
Journal Article
Bailey, P. D., Beard, M. A., Cresswell, M., Dang, H. P., Pathak, R. B., Phillips, T. R., & Price, R. A. (2013). Stereoselectivity and conformational control in the synthesis of ajmaline and epi-ajmaline alkaloids. Tetrahedron Letters, 54(13), 1726-1729. https://doi.org/10.1016/j.tetlet.2013.01.074

Careful choice of the N-protecting group provides crucial conformational control, allowing ring-closure to the indole 3-position in the late stages of the synthesis of ajmaline alkaloids; the choice of protecting group and reducing agent can also pro... Read More about Stereoselectivity and conformational control in the synthesis of ajmaline and epi-ajmaline alkaloids.

MOA-2010-BLG-523: “FAILED PLANET” = RS CVn STAR (2013)
Journal Article
Gould, A., Yee, J. C., Bond, I. A., Udalski, A., Han, C., Jørgensen, U. G., …The PLANET Collaboration. (in press). MOA-2010-BLG-523: “FAILED PLANET” = RS CVn STAR. Astrophysical Journal, 763(2), Article 141. https://doi.org/10.1088/0004-637x/763/2/141

The Galactic bulge source MOA-2010-BLG-523S exhibited short-term deviations from a standard microlensing light curve near the peak of an Amax ∼ 265 high-magnification microlensing event. The deviations originally seemed consistent with expectations f... Read More about MOA-2010-BLG-523: “FAILED PLANET” = RS CVn STAR.

WASP-52b, WASP-58b, WASP-59b, and WASP-60b: Four new transiting close-in giant planets (2013)
Journal Article
Hébrard, G., Collier Cameron, A., Brown, D. J. A., Díaz, R. F., Faedi, F., Smalley, B., …Wheatley, P. J. (2013). WASP-52b, WASP-58b, WASP-59b, and WASP-60b: Four new transiting close-in giant planets. Astronomy & Astrophysics, 549, Article A134. https://doi.org/10.1051/0004-6361/201220363

We present the discovery of four new transiting hot Jupiters, detected mainly from SuperWASP-North and SOPHIE observations. These new planets, WASP-52b, WASP-58b, WASP-59b, and WASP-60b, have orbital periods ranging from 1.7 to 7.9 days, masses betwe... Read More about WASP-52b, WASP-58b, WASP-59b, and WASP-60b: Four new transiting close-in giant planets.

Community knowledge networks: An action-orientated approach to energy research (2013)
Journal Article
Robinson, Z., Ross, S., Catney, P., Dobson, A., Hall, S., Hards, S., …Ormerod, M. (2013). Community knowledge networks: An action-orientated approach to energy research. Local Environment, https://doi.org/10.1080/13549839.2012.748729

The Climate Change Act 2008 commits the UK to reducing carbon emissions by 80 percent of 1990 levels by 2050. With household emissions constituting more than a quarter of current total energy use in the UK, energy practices in the home have taken on... Read More about Community knowledge networks: An action-orientated approach to energy research.

Initial rate kinetic studies show an unexpected influence of para-substituents on the catalytic behaviour of manganese complexes of TMTACN in the epoxidation of styrenes with H2O2 (2013)
Journal Article
Ilyashenko, G., De Faveri, G., Masoudi, S., Al-Safadi, R., & Watkinson, M. (2013). Initial rate kinetic studies show an unexpected influence of para-substituents on the catalytic behaviour of manganese complexes of TMTACN in the epoxidation of styrenes with H2O2. Organic and Biomolecular Chemistry, 11(12), 1942. https://doi.org/10.1039/c3ob27217f

Investigations into the efficacy of a range of enantiomerically pure BINOL additives in the epoxidation of styrene substrates with a number of manganese catalysts prepared from the ligand 1,4,7-trimethyl-1,4,7-triazacyclononane, TMTACN, using hydroge... Read More about Initial rate kinetic studies show an unexpected influence of para-substituents on the catalytic behaviour of manganese complexes of TMTACN in the epoxidation of styrenes with H2O2.

MOA-2010-BLG-073L: AN M-DWARF WITH A SUBSTELLAR COMPANION AT THE PLANET/BROWN DWARF BOUNDARY (2013)
Journal Article
Street, R. A., Choi, J., Tsapras, Y., Han, C., Furusawa, K., Hundertmark, M., …MiNDSTEp. (2013). MOA-2010-BLG-073L: AN M-DWARF WITH A SUBSTELLAR COMPANION AT THE PLANET/BROWN DWARF BOUNDARY. Astrophysical Journal, 763(1), Article 67. https://doi.org/10.1088/0004-637x/763/1/67

We present an analysis of the anomalous microlensing event, MOA-2010-BLG-073, announced by the Microlensing Observations in Astrophysics survey on 2010 March 18. This event was remarkable because the source was previously known to be photometrically... Read More about MOA-2010-BLG-073L: AN M-DWARF WITH A SUBSTELLAR COMPANION AT THE PLANET/BROWN DWARF BOUNDARY.

An atomistic simulation study of the effect of dopants on the morphology of YLiF 4 (2013)
Journal Article
Littleford, T. E., Jackson, R. A., & Read, M. S. D. (2013). An atomistic simulation study of the effect of dopants on the morphology of YLiF 4. physica status solidi (c), 10(2), 156-159. https://doi.org/10.1002/pssc.201200456

Solid-state optical materials are a continuing field of study that has many important applications including lasers. YLiF4 is one material has been studied in detail however, no studies into the surface properties or crystal morphology have been carr... Read More about An atomistic simulation study of the effect of dopants on the morphology of YLiF 4.

Modelling rare‐earth doped BaMgF 4 : a potential laser material (2013)
Journal Article
Littleford, T. E., Jackson, R. A., & Read, M. S. D. (2013). Modelling rare‐earth doped BaMgF 4 : a potential laser material. physica status solidi (c), 10(2), 153-155. https://doi.org/10.1002/pssc.201200455

Solid-state optical materials are a continuing field of study that has many important applications including lasers. BaMgF4 is one material has been studied in detail however, no studies into the surface properties or crystal morphology have been car... Read More about Modelling rare‐earth doped BaMgF 4 : a potential laser material.

Period and period change measurements for 143 SuperWASP eclipsing binary candidates near the short-period limit and discovery of a doubly eclipsing quadruple system (2013)
Journal Article
Lohr, M. E., Norton, A. J., Kolb, U. C., Maxted, P. F. L., Todd, I., & West, R. G. (2013). Period and period change measurements for 143 SuperWASP eclipsing binary candidates near the short-period limit and discovery of a doubly eclipsing quadruple system. Astronomy & Astrophysics, 549, A86. https://doi.org/10.1051/0004-6361/201220562

Building on previous work, a new search of the SuperWASP archive was carried out to identify eclipsing binary systems near the short-period limit. 143 candidate objects were detected with orbital periods between 16 000 and 20 000 s, of which 97 are n... Read More about Period and period change measurements for 143 SuperWASP eclipsing binary candidates near the short-period limit and discovery of a doubly eclipsing quadruple system.

Acid directed in situ oxidation and decarboxylation of 4,4′,6,6′-tetra-methyl-2,2′-bipyridine: Synthesis and structural characterisation of 4,4′,6-tri-carboxy-2,2′-bipyridine and its copper(II) coordination polymer (2012)
Journal Article
Kelly, N. R., Goetz, S., Hawes, C. S., & Kruger, P. E. (2013). Acid directed in situ oxidation and decarboxylation of 4,4′,6,6′-tetra-methyl-2,2′-bipyridine: Synthesis and structural characterisation of 4,4′,6-tri-carboxy-2,2′-bipyridine and its copper(II) coordination polymer. Inorganica Chimica Acta, 403, 102-109. https://doi.org/10.1016/j.ica.2012.12.033

Atomistic modelling of actinide oxides for nuclear fuel applications (2012)
Journal Article
Walker, S. R., Jackson, R. A., & Read, M. S. D. (2013). Atomistic modelling of actinide oxides for nuclear fuel applications. physica status solidi (c), 10(2), 197-201. https://doi.org/10.1002/pssc.201200513

Atomistic computer simulations were performed for the actinide oxides (UO2, PuO2 and MOX) in the temperature range 300 K-2000 K, in order to elucidate the physical and defect properties of these nuclear fuel materials. Parameterised cation-anion Buck... Read More about Atomistic modelling of actinide oxides for nuclear fuel applications.

Computer modelling of undoped and Eu 3+ ‐doped LiLa(WO 4 ) 2 (2012)
Journal Article
Amaral, J. B., de Moraes, J. R., Baldochi, S. L., Jackson, R. A., & Valerio, M. E. G. (2013). Computer modelling of undoped and Eu 3+ ‐doped LiLa(WO 4 ) 2. physica status solidi (c), 10(2), 165-167. https://doi.org/10.1002/pssc.201200510

In this work, computer modelling of the undoped and Eu3+-doped LiLa(WO4)2 structure was successfully achieved by energy minimization and mean field theory. The results were compared with experimental data previously published and are in good agreemen... Read More about Computer modelling of undoped and Eu 3+ ‐doped LiLa(WO 4 ) 2.

Flow Chemistry Syntheses of Styrenes, Unsymmetrical Stilbenes and Branched Aldehydes (2012)
Journal Article
Bourne, S. L., O'Brien, M., Kasinathan, S., Koos, P., Tolstoy, P., Hu, D. X., …Ley, S. V. (2013). Flow Chemistry Syntheses of Styrenes, Unsymmetrical Stilbenes and Branched Aldehydes. ChemCatChem, 5(1), 159-172. https://doi.org/10.1002/cctc.201200778

Two tandem flow chemistry processes have been developed. A single palladium-catalysed Heck reaction with ethylene gas provides an efficient synthesis for functionalised styrenes. Through further elaboration the catalyst becomes multi-functional and p... Read More about Flow Chemistry Syntheses of Styrenes, Unsymmetrical Stilbenes and Branched Aldehydes.