Skip to main content

Research Repository

Advanced Search

All Outputs (750)

Near-field hyperspectral optical imaging (2014)
Journal Article
Bouillard, J. S. G., Dickson, W., Wurtz, G. A., & Zayats, A. V. (2014). Near-field hyperspectral optical imaging. Chemphyschem, 15(4), 619-629. https://doi.org/10.1002/cphc.201300826

This Minireview presents an overview of near-field hyperspectral imaging and discusses its applications. Based on a fibre-tip probe, the hyperspectral near-field optical microscope allows the simultaneous acquisition of near-field images over a broad... Read More about Near-field hyperspectral optical imaging.

Galaxy and mass assembly (GAMA): UgrizYJHK sérsic luminosity functions and the cosmic spectral energy distribution by hubble type (2014)
Journal Article
Kelvin, L. S., Driver, S. P., Robotham, A. S. G., Graham, A. W., Phillipps, S., Agius, N. K., Alpaslan, M., Baldry, I., Bamford, S. P., Bland-Hawthorn, J., Brough, S., Brown, M. J. I., Colless, M., Conselice, C. J., Hopkins, A. M., Liske, J., Loveday, J., Norberg, P., Pimbblet, K. A., Popescu, C. C., …Tuffs, R. J. (2014). Galaxy and mass assembly (GAMA): UgrizYJHK sérsic luminosity functions and the cosmic spectral energy distribution by hubble type. Monthly notices of the Royal Astronomical Society, 439(2), 1245-1269. https://doi.org/10.1093/mnras/stt2391

We report the morphological classification of 3727 galaxies from the Galaxy and Mass Assembly survey with M r < -17.4 mag and in the redshift range 0.025 < z < 0.06 (2.1 × 10 5 Mpc 3 ) into E, S0-Sa, SB0-SBa, Sab-Scd, SBab-SBcd, Sd-Irr and little... Read More about Galaxy and mass assembly (GAMA): UgrizYJHK sérsic luminosity functions and the cosmic spectral energy distribution by hubble type.

The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots (2014)
Journal Article
Mirzai, H., Nordin, M. N., Curry, R. J., Bouillard, J.-S., Zayats, A. V., & Green, M. (2014). The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots. Journal of Materials Chemistry C, 2(12), 2107-2111. https://doi.org/10.1039/c4tc00037d

Luminescent mercury selenide (HgSe) quantum dots have been synthesised by a phosphine-free method using oleic acid as a capping agent. The modification of experimental conditions such as temperature resulted in particles of various sizes (15–100 nm)... Read More about The room temperature phosphine-free synthesis of near-infrared emitting HgSe quantum dots.

A RAVE investigation on Galactic open clusters: I. Radial velocities and metallicities (2014)
Journal Article
Conrad, C., Scholz, R.-D., Kharchenko, N. V., Piskunov, A. E., Schilbach, E., Röser, S., Boeche, C., Kordopatis, G., Siebert, A., Williams, M., Munari, U., Matijevič, G., Grebel, E. K., Zwitter, T., De Jong, R. S., Steinmetz, M., Gilmore, G., Seabroke, G., Freeman, K., Navarro, J. F., …Siviero, A. (2014). A RAVE investigation on Galactic open clusters: I. Radial velocities and metallicities. Astronomy and Astrophysics, 562, A54. https://doi.org/10.1051/0004-6361/201322070

Context. Galactic open clusters (OCs) mainly belong to the young stellar population in the Milky Way disk, but are there groups and complexes of OCs that possibly define an additional level in hierarchical star formation? Current compilations are too... Read More about A RAVE investigation on Galactic open clusters: I. Radial velocities and metallicities.

Plasmonic nanogaps for broadband and large spontaneous emission rate enhancement (2014)
Journal Article
Edwards, A. P., & Adawi, A. M. (2014). Plasmonic nanogaps for broadband and large spontaneous emission rate enhancement. Journal of applied physics, 115(5), Article ARTN 053101. https://doi.org/10.1063/1.4864018

We present the optical properties of a plasmonic nanogap formed between a silver metallic nanoparticle and an extended silver film that shows a strong enhancement in the spontaneous emission rate over the whole visible range. In particular, we use th... Read More about Plasmonic nanogaps for broadband and large spontaneous emission rate enhancement.

The RAVE survey: the Galactic escape speed and the mass of the Milky Way (2014)
Journal Article
Scholz, R.-D., Williams, M. E., Matijevič, G., Bienaymé, O., Wyse, R. F., Piffl, T., Scannapieco, C., Binney, J., Steinmetz, M., Scholz, R. .-D., Williams, M. E. K., De Jong, R. S., Kordopatis, G., Matijevic, G., Bienayme, O., Bland-Hawthorn, J., Boeche, C., Freeman, K., Gibson, B., Gilmore, G., …Zwitter, T. (2014). The RAVE survey: the Galactic escape speed and the mass of the Milky Way. Astronomy and Astrophysics, 562, A91. https://doi.org/10.1051/0004-6361/201322531

We made new estimates of the Galactic escape speed at various Galactocentric radii using the latest data release of the RAdial Velocity Experiment (RAVE DR4). Compared to previous studies we have a database that is larger by a factor of 10, as well a... Read More about The RAVE survey: the Galactic escape speed and the mass of the Milky Way.

How typical is the Coma cluster? (2014)
Journal Article
Pimbblet, K. A., Penny, S. J., & Davies, R. L. (2014). How typical is the Coma cluster?. Monthly notices of the Royal Astronomical Society, 438(4), 3049-3057. https://doi.org/10.1093/mnras/stt2411

Coma is frequently used as the archetype z ∼ 0 galaxy cluster to compare higher redshift work against. It is not clear, however, how representative the Coma cluster is for galaxy clusters of its mass or X-ray luminosity, and significantly, recent wor... Read More about How typical is the Coma cluster?.

The environmental dependence of neutral hydrogen in the GIMIC simulations (2014)
Journal Article
Cunnama, D., Andrianomena, S., Cress, C. M., Faltenbacher, A., Gibson, B. K., & Theuns, T. (2014). The environmental dependence of neutral hydrogen in the GIMIC simulations. Monthly notices of the Royal Astronomical Society, 438(3), 2530-2537. https://doi.org/10.1093/mnras/stt2380

We use the Galaxies-Intergalactic Medium Interaction Calculation (GIMIC) cosmological hydrodynamic simulation at z = 0 to study the distribution and environmental dependence of neutral hydrogen (H I) gas in the outskirts of simulated galaxies. This g... Read More about The environmental dependence of neutral hydrogen in the GIMIC simulations.

Experimental neutron capture data of 58 Ni from the CERN n-TOF facility (2014)
Journal Article
Žugec, P., Barbagallo, M., Colonna, N., Bosnar, D., Altstadt, S., Andrzejewski, J., Audouin, L., Bécares, V., Bečvář, F., Belloni, F., Berthoumieux, E., Billowes, J., Boccone, V., Brugger, M., Calviani, M., Calvino, F., Cano-Ott, D., Carrapiço, C., Cerutti, F., Chiaveri, E., …Wright, T. J. (2014). Experimental neutron capture data of 58 Ni from the CERN n-TOF facility. Physical Review C - Nuclear Physics, 89(1), 014605-1-014605-9. https://doi.org/10.1103/physrevc.89.014605

The ⁵⁸Ni(n,γ) cross section has been measured at the neutron time of flight facility n_TOF at CERN, in the energy range from 27 meV up to 400 keV. In total, 51 resonances have been analyzed up to 122 keV. Maxwellian averaged cross sections (MACS) hav... Read More about Experimental neutron capture data of 58 Ni from the CERN n-TOF facility.

A new stellar chemo-kinematic relation reveals the merger history of the milky way disk (2014)
Journal Article
Minchev, I., Chiappini, C., Martig, M., Steinmetz, M., De Jong, R. S., Boeche, C., Scannapieco, C., Zwitter, T., Wyse, R. F. G., Binney, J. J., Bland-Hawthorn, J., Bienaymé, O., Famaey, B., Freeman, K. C., Gibson, B. K., Grebel, E. K., Gilmore, G., Helmi, A., Kordopatis, G., Lee, Y. S., …Williams, M. (2014). A new stellar chemo-kinematic relation reveals the merger history of the milky way disk. Astrophysical journal. Letters, 781(1), L20. https://doi.org/10.1088/2041-8205/781/1/l20

The velocity dispersions of stars near the Sun are known to increase with stellar age, but age can be difficult to determine, so a proxy like the abundance of α elements (e.g., Mg) with respect to iron, [α/Fe], is used. Here we report an unexpected b... Read More about A new stellar chemo-kinematic relation reveals the merger history of the milky way disk.

Observationally-motivated analysis of simulated galaxies (2014)
Presentation / Conference Contribution
Gibson, B. K., MacFarlane, B. A., & Miranda, M. S. Observationally-motivated analysis of simulated galaxies. Presented at Proceedings of Science

© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence. The spatial and temporal relationships between stellar age, kinematics, and chemistry are a fundamental tool for uncovering the p... Read More about Observationally-motivated analysis of simulated galaxies.

Cloud angular momentum and effective viscosity in global SPH simulations with feedback (2014)
Journal Article
Williamson, D. J., Thacker, R. J., Wurster, J., & Gibson, B. K. (2014). Cloud angular momentum and effective viscosity in global SPH simulations with feedback. Monthly notices of the Royal Astronomical Society, 442(4), 3674-3685. https://doi.org/10.1093/mnras/stu1121

We examine simulations of isolated galaxies to analyse the effects of localized feedback on the formation and evolution of molecular clouds. Feedback contributes to turbulence and the destruction of clouds, leading to a population of clouds that is y... Read More about Cloud angular momentum and effective viscosity in global SPH simulations with feedback.

Impact of the uncertainty in α-captures on 22Ne on the weak s-process in massive stars (2014)
Presentation / Conference Contribution
Nishimura, N., Hirschi, R., Pignatari, M., Herwig, F., Beard, M., Imbriani, G., Görres, J., Deboer, R. J., & Wiescher, M. Impact of the uncertainty in α-captures on 22Ne on the weak s-process in massive stars. Presented at ORIGIN OF MATTER AND EVOLUTION OF GALAXIES 2013: Proceedings of the 12th International Symposium on Origin of Matter and Evolution of Galaxies (OMEG12), Tsukuba, Japan

Massive stars at solar metallicity contribute to the production of heavy elements with atomic masses between A = 60 and A = 90 via the so-called weak s-process (which takes place during core He and shell C burning phases). Furthermore, recent studies... Read More about Impact of the uncertainty in α-captures on 22Ne on the weak s-process in massive stars.

The VMC ESO Public Survey (2013)
Journal Article
Cioni, M.-R. L., Anders, P., Bagheri, G., Bekki, K., Clementini, G., Emerson, J., Evans, C. J., For, B.-Q., De Grijs, R., Gibson, B. K., Girardi, L., Groenewegen, M. A. T., Guandalini, R., Gullieuszik, M., Ivanov, V. D., Kamath, D., Marconi, M., Marquette, J.-B., Miszalski, B., Moore, B., …Zaggia, S. (2013). The VMC ESO Public Survey. The Messenger, 23-25

The VISTA near-infrared YJKs survey of the Magellanic Clouds system (VMC) has entered its core phase: about 50% of the observations across the Large and Small Magellanic Clouds (LMC, SMC), the Magellanic Bridge and Stream have already been secured an... Read More about The VMC ESO Public Survey.

Some noteworthy alternating trilinear forms (2013)
Journal Article
Draisma, J., & Shaw, R. (2014). Some noteworthy alternating trilinear forms. Journal of Geometry, 105(1), 167-176. https://doi.org/10.1007/s00022-013-0202-2

Given an alternating trilinear form T ∈ Alt(×3Vn) on Vn =V(n,F) let LT denote the set of T-singular lines in PG(n-1)=PVn, consisting that is of those lines 〈a,b〉 of PG(n-1) such that T(a, b, x) = 0 for all x ∈ Vn. Amongst the immense profusion of d... Read More about Some noteworthy alternating trilinear forms.

Leggett-Garg inequalities (2013)
Journal Article
Emary, C., Lambert, N., & Nori, F. (2014). Leggett-Garg inequalities. Reports on progress in physics, 77(1), Article 016001. https://doi.org/10.1088/0034-4885/77/1/016001

In contrast to the spatial Bell’s inequalities which probe entanglement between spatially-separated systems, the Leggett-Garg inequalities test the correlations of a single system measured at different times. Violation of a genuine Leggett-Garg test... Read More about Leggett-Garg inequalities.

Numerical simulations of bubble-induced star formation in dwarf irregular galaxies with a novel stellar feedback scheme (2013)
Journal Article
Kawata, D., Gibson, B. K., Barnes, D. J., Grand, R. J., & Rahimi, A. (2014). Numerical simulations of bubble-induced star formation in dwarf irregular galaxies with a novel stellar feedback scheme. Monthly notices of the Royal Astronomical Society, 438(2), 1208-1222. https://doi.org/10.1093/mnras/stt2267

To study the star formation and feedback mechanism, we simulate the evolution of an isolated dwarf irregular galaxy (dIrr) in a fixed dark matter halo, similar in size to Wolf–Lundmark–Melotte, using a new stellar feedback scheme. We use the new vers... Read More about Numerical simulations of bubble-induced star formation in dwarf irregular galaxies with a novel stellar feedback scheme.

Galaxy and mass assembly (GAMA): The large-scale structure of galaxies and comparison to mock universes (2013)
Journal Article
Alpaslan, M., Robotham, A. S. G., Driver, S., Norberg, P., Baldry, I., Bauer, A. E., Bland-Hawthorn, J., Brown, M., Cluver, M., Colless, M., Foster, C., Hopkins, A., Van kampen, E., Kelvin, L., Lara-Lopez, M. A., Liske, J., Lopez-Sanchez, A. R., Loveday, J., Mcnaught-Roberts, T., Merson, A., & Pimbblet, K. (2014). Galaxy and mass assembly (GAMA): The large-scale structure of galaxies and comparison to mock universes. Monthly notices of the Royal Astronomical Society, 438(1), 177-194. https://doi.org/10.1093/mnras/stt2136

From a volume-limited sample of 45 542 galaxies and 6000 groups with z ≤ 0.213, we use an adapted minimal spanning tree algorithm to identify and classify large-scale structures within the Galaxy And Mass Assembly (GAMA) survey. Using galaxy groups,... Read More about Galaxy and mass assembly (GAMA): The large-scale structure of galaxies and comparison to mock universes.

Phase mixing due to the Galactic potential: steps in the position and velocity distributions of popped star clusters (2013)
Journal Article
Candlish, G. N., Smith, R., Fellhauer, M., Gibson, B. K., Kroupa, P., & Assmann, P. (2014). Phase mixing due to the Galactic potential: steps in the position and velocity distributions of popped star clusters. Monthly notices of the Royal Astronomical Society, 437(4), 3702-3717. https://doi.org/10.1093/mnras/stt2166

As star clusters are expected to form with low star formation efficiencies, the gas in the cluster is expelled quickly and early in their development: the star cluster ‘pops’. This leads to an unbound stellar system, evolving in the Galactic potentia... Read More about Phase mixing due to the Galactic potential: steps in the position and velocity distributions of popped star clusters.

A fragment method for systematic improvement of anharmonic adsorbate vibrational frequencies: Acetylene on Cu(001) (2013)
Journal Article
Chulkov, S. K., & Benoit, D. M. (2013). A fragment method for systematic improvement of anharmonic adsorbate vibrational frequencies: Acetylene on Cu(001). The Journal of chemical physics, 139(21), Article 214704. https://doi.org/10.1063/1.4829461

We suggest a novel method for systematic improvement of anharmonic adsorbate frequencies based on a fragment approach. The calculations are carried out by considering the adsorbed molecule separately and computing an energy correction using high-leve... Read More about A fragment method for systematic improvement of anharmonic adsorbate vibrational frequencies: Acetylene on Cu(001).