All Outputs (24)

Biosynthesis of luminescent quantum dots in an earthworm (2012)
Journal Article
Stürzenbaum, S. R., Höckner, M., Panneerselvam, A., Levitt, J., Bouillard, J. S., Taniguchi, S., Dailey, L. A., Khanbeigi, R. A., Rosca, E. V., Thanou, M., Suhling, K., Zayats, A. V., & Green, M. (2013). Biosynthesis of luminescent quantum dots in an earthworm. Nature nanotechnology, 8(1), 57-60. https://doi.org/10.1038/nnano.2012.232

The synthesis of designer solid-state materials by living organisms is an emerging field in bio-nanotechnology. Key examples include the use of engineered viruses as templates for cobalt oxide (Co3O4) particles1, superparamagnetic cobalt–platinum all... Read More about Biosynthesis of luminescent quantum dots in an earthworm.

Galaxy And Mass Assembly (GAMA): The 0.013 < z < 0.1 cosmic spectral energy distribution from 0.1 μm to 1 mm (2012)
Journal Article
Driver, S. P., Robotham, A. S., Kelvin, L., Alpaslan, M., Baldry, I. K., Bamford, S. P., Brough, S., Brown, M., Hopkins, A. M., Liske, J., Loveday, J., Norberg, P., Peacock, J. A., Andrae, E., Bland-Hawthorn, J., Bourne, N., Cameron, E., Colless, M., Conselice, C. J., Croom, S. M., …Wilkins, S. (2012). Galaxy And Mass Assembly (GAMA): The 0.013 < z < 0.1 cosmic spectral energy distribution from 0.1 μm to 1 mm. Monthly notices of the Royal Astronomical Society, 427(4), 3244-3264. https://doi.org/10.1111/j.1365-2966.2012.22036.x

We use the Galaxy And Mass Assembly survey (GAMA) I data set combined with GALEX, Sloan Digital Sky Survey (SDSS) and UKIRT Infrared Deep Sky Survey (UKIDSS) imaging to construct the low-redshift (z < 0.1) galaxy luminosity functions in FUV, NUV, u... Read More about Galaxy And Mass Assembly (GAMA): The 0.013 < z < 0.1 cosmic spectral energy distribution from 0.1 μm to 1 mm.

Galaxy And Mass Assembly (GAMA): the 0.013 < z < 0.1 cosmic spectral energy distribution from 0.1  m to 1 mm (2012)
Journal Article
Driver, S. P., Robotham, A. S. G., Kelvin, L., Alpaslan, M., Baldry, I. K., Bamford, S. P., Brough, S., Brown, M., Hopkins, A. M., Liske, J., Loveday, J., Norberg, P., Peacock, J. A., Andrae, E., Bland-Hawthorn, J., Bourne, N., Cameron, E., Colless, M., Conselice, C. J., Croom, S. M., …Wilkins, S. (2012). Galaxy And Mass Assembly (GAMA): the 0.013 < z < 0.1 cosmic spectral energy distribution from 0.1  m to 1 mm. Monthly notices of the Royal Astronomical Society, 427(4), 3244-3264. https://doi.org/10.1111/j.1365-2966.2012.22036.x

We use the Galaxy And Mass Assembly survey (GAMA) I data set combined with GALEX, Sloan Digital Sky Survey (SDSS) and UKIRT Infrared Deep Sky Survey (UKIDSS) imaging to construct the low-redshift (z < 0.1) galaxy luminosity functions in FUV, NUV, u... Read More about Galaxy And Mass Assembly (GAMA): the 0.013 < z < 0.1 cosmic spectral energy distribution from 0.1  m to 1 mm.

The drivers of AGN activity in galaxy clusters: AGN fraction as a function of mass and environment (2012)
Journal Article
Pimbblet, K. A., Shabala, S. S., Haines, C. P., Fraser-McKelvie, A., & Floyd, D. J. E. (2013). The drivers of AGN activity in galaxy clusters: AGN fraction as a function of mass and environment. Monthly notices of the Royal Astronomical Society, 429(2), 1827-1839. https://doi.org/10.1093/mnras/sts470

We present an analysis of optical spectroscopically identified active galactic nuclei (AGN) down to a cluster magnitude of M * + 1 in a sample of six self-similar Sloan Digital Sky Survey galaxy clusters at z ~ 0.07. These clusters are specifically s... Read More about The drivers of AGN activity in galaxy clusters: AGN fraction as a function of mass and environment.

The 12C +12C reaction and the impact on nucleosynthesis in massive stars (2012)
Journal Article
Pignatari, M., Hirschi, R., Wiescher, M., Gallino, R., Bennett, M., Beard, M., Fryer, C., Herwig, F., Rockefeller, G., & X. Timmes, F. (2013). The 12C +12C reaction and the impact on nucleosynthesis in massive stars. The Astrophysical journal, 762(1), Article 31. https://doi.org/10.1088/0004-637X/762/1/31

Despite much effort in the past decades, the C-burning reaction rate is uncertain by several orders of magnitude, and the relative strength between the different channels 12 C( 12 C, α) 20 Ne, 12 C( 12 C, p) 23 Na, and 12 C( 12 C, n) 23 Mg is poorly... Read More about The 12C +12C reaction and the impact on nucleosynthesis in massive stars.

The stellar metallicity distribution of disc galaxies and bulges in cosmological simulations (2012)
Journal Article
Calura, F., Gibson, B. K., Michel-Dansac, L., Stinson, G. S., Cignoni, M., Dotter, A., Pilkington, K., House, E. L., Brook, C. B., Few, C. G., Bailin, J., Couchman, H. M. P., & Wadsley, J. (2012). The stellar metallicity distribution of disc galaxies and bulges in cosmological simulations. Monthly notices of the Royal Astronomical Society, 427(2), 1401-1417. https://doi.org/10.1111/j.1365-2966.2012.22052.x

By means of high-resolution cosmological hydrodynamical simulations of Milky Way (MW) like disc galaxies, we conduct an analysis of the associated stellar metallicity distribution functions (MDFs). After undertaking a kinematic decomposition of each... Read More about The stellar metallicity distribution of disc galaxies and bulges in cosmological simulations.

17O(α,γ)21Ne and17O(α, n)20Ne for the weak s process (2012)
Presentation / Conference Contribution
Best, A., Görres, J., Beard, M., Couder, M., deBoer, R., Falahat, S., Güray, R. T., Kontos, A., Kratz, K.-L., LeBlanc, P. J., Li, Q., O'Brien, S., Özkan, N., Pignatari, M., Sonnabend, K., Talwar, R., Tan, W., Uberseder, E., & Wiescher, M. 17O(α,γ)21Ne and17O(α, n)20Ne for the weak s process. Presented at EXOTIC NUCLEI AND NUCLEAR/PARTICLE ASTROPHYSICS (IV). FROM NUCLEI TO STARS: Carpathian Summer School of Physics 2012, Sinaia, Romania

The ratio of the reaction rates of the competing channels 17 O(αγ) 21 Ne and 17 O(α,n) 20 Ne determines the efficiency of 16 O as a neutron poison in the s process in low metallicity rotating stars. It has a large impact on the element production, ei... Read More about 17O(α,γ)21Ne and17O(α, n)20Ne for the weak s process.

Towards an understanding of the vibrational spectrum of the neutral Au7cluster (2012)
Journal Article
Mancera, L. A., & Benoit, D. M. (2013). Towards an understanding of the vibrational spectrum of the neutral Au7cluster. Physical chemistry chemical physics : PCCP, 15(6), 1929-1943. https://doi.org/10.1039/c2cp43211k

We present a detailed theoretical study of the vibrational spectrum of the neutral Au 7 cluster, aimed at understanding its reported experimental spectrum [P. Gruene et al., Science, 2008, 321, 674]. We study the effect of vibrational anharmonicity,... Read More about Towards an understanding of the vibrational spectrum of the neutral Au7cluster.

Broadband and broadangle SPP antennas based on plasmonic crystals with linear chirp (2012)
Journal Article
Bouillard, J. S., Vilain, S., Dickson, W., Wurtz, G. A., & Zayats, A. V. (2012). Broadband and broadangle SPP antennas based on plasmonic crystals with linear chirp. Scientific reports, 2(1), Article 829. https://doi.org/10.1038/srep00829

Plasmonic technology relies on the coupling of light to surface electromagnetic modes on smooth or structured metal surfaces. While some applications utilise the resonant nature of surface polaritons, others require broadband characteristics. We demo... Read More about Broadband and broadangle SPP antennas based on plasmonic crystals with linear chirp.

The WiggleZ Dark Energy Survey: Final data release and cosmological results (2012)
Journal Article
Parkinson, D., Riemer-Sørensen, S., Blake, C., Poole, G. B., Davis, T. M., Brough, S., Colless, M., Contreras, C., Couch, W., Croom, S., Croton, D., Drinkwater, M. J., Forster, K., Gilbank, D., Gladders, M., Glazebrook, K., Jelliffe, B., Jurek, R. J., Li, I. H., Madore, B., …Yee, H. K. (2012). The WiggleZ Dark Energy Survey: Final data release and cosmological results. Physical Review D - Particles, Fields, Gravitation and Cosmology, 86(10), Article 103518. https://doi.org/10.1103/PhysRevD.86.103518

This paper presents cosmological results from the final data release of the WiggleZ Dark Energy Survey. We perform full analyses of different cosmological models using the WiggleZ power spectra measured at z=0.22, 0.41, 0.60, and 0.78, combined with... Read More about The WiggleZ Dark Energy Survey: Final data release and cosmological results.

Galaxy And Mass Assembly (GAMA): Estimating galaxy group masses via caustic analysis (2012)
Journal Article
Alpaslan, M., Robotham, A. S., Driver, S., Norberg, P., Peacock, J. A., Baldry, I., Bland-Hawthorn, J., Brough, S., Hopkins, A. M., Kelvin, L. S., Liske, J., Loveday, J., Merson, A., Nichol, R. C., & Pimbblet, K. (2012). Galaxy And Mass Assembly (GAMA): Estimating galaxy group masses via caustic analysis. Monthly notices of the Royal Astronomical Society, 426(4), 2832-2846. https://doi.org/10.1111/j.1365-2966.2012.21020.x

We have generated complementary halo mass estimates for all the groups in the Galaxy And Mass Assembly Galaxy Group Catalogue (GAMA G 3 Cv1) using a modified caustic mass estimation algorithm, originally developed by Diaferio & Geller. We calibrate... Read More about Galaxy And Mass Assembly (GAMA): Estimating galaxy group masses via caustic analysis.

Properties of the 15 February 2011 Flare Seismic Sources (2012)
Journal Article
Zharkov, S., Green, L. M., Matthews, S. A., & Zharkova, V. V. (2013). Properties of the 15 February 2011 Flare Seismic Sources. Solar Physics, 284(2), 315-327. https://doi.org/10.1007/s11207-012-0169-4

The first near-side X-class flare of Solar Cycle 24 occurred in February 2011 (SOL2011-02-05T01:55) and produced a very strong seismic response in the photosphere. One sunquake was reported by Kosovichev (Astrophys. J. Lett. 734, L15, 2011), followed... Read More about Properties of the 15 February 2011 Flare Seismic Sources.

Plunging fireworks: why do infalling galaxies light up on the outskirts of clusters? (2012)
Journal Article
Mahajan, S., Raychaudhury, S., & Pimbblet, K. A. (2012). Plunging fireworks: why do infalling galaxies light up on the outskirts of clusters?. Monthly notices of the Royal Astronomical Society, 427(2), 1252-1265. https://doi.org/10.1111/j.1365-2966.2012.22059.x

Integrated star formation rate (SFR) and specific star formation rate (SFR/M*), derived from the spectroscopic data obtained by the Sloan Digital Sky Survey (SDSS) data release 4 (DR4), are used to show that the star formation activity in galaxies (M... Read More about Plunging fireworks: why do infalling galaxies light up on the outskirts of clusters?.

Classical spin model of the relaxation dynamics of rare-earth doped permalloy (2012)
Journal Article
Ellis, M. O., Ostler, T. A., & Chantrell, R. W. (2012). Classical spin model of the relaxation dynamics of rare-earth doped permalloy. Physical review B: Condensed matter and materials physics, 86(17), Article 174418. https://doi.org/10.1103/PhysRevB.86.174418

In this paper, the ultrafast dynamic behavior of rare-earth doped permalloy is investigated using an atomistic spin model with Langevin dynamics. In line with experimental work, the effective Gilbert damping is calculated from transverse relaxation s... Read More about Classical spin model of the relaxation dynamics of rare-earth doped permalloy.

Galaxy and mass assembly (GAMA): The mass-metallicity relationship (2012)
Journal Article
Foster, C., Hopkins, A. M., Gunawardhana, M., Lara-López, M. A., Sharp, R. G., Steele, O., Taylor, E. N., Driver, S. P., Baldry, I. K., Bamford, S. P., Liske, J., Loveday, J., Norberg, P., Peacock, J. A., Alpaslan, M., Bauer, A. E., Bland-Hawthorn, J., Brough, S., Cameron, E., Colless, M., …Wijesinghe, D. (2012). Galaxy and mass assembly (GAMA): The mass-metallicity relationship. Astronomy and Astrophysics, 547, Article A79. https://doi.org/10.1051/0004-6361/201220050

Context. The mass-metallicity relationship (MMR) of star-forming galaxies is well-established, however there is still some disagreement with respect to its exact shape and its possible dependence on other observables. Aims.We measure the MMR in the G... Read More about Galaxy and mass assembly (GAMA): The mass-metallicity relationship.

Calibrating an updated smoothed particle hydrodynamics scheme within GCD+ (2012)
Journal Article
Kawata, D., Okamoto, T., Gibson, B. K., Barnes, D. J., & Cen, R. (2013). Calibrating an updated smoothed particle hydrodynamics scheme within GCD+. Monthly notices of the Royal Astronomical Society, 428(3), 1968-1979. https://doi.org/10.1093/mnras/sts161

We adapt a modern scheme of smoothed particle hydrodynamics (SPH) to our treeN-body/SPH galactic chemodynamics code GCD+. The applied scheme includes implementations of the artificial viscosity switch and artificial thermal conductivity proposed by M... Read More about Calibrating an updated smoothed particle hydrodynamics scheme within GCD+.

Properties of simulated Milky Way-mass galaxies in loose group and field environments (2012)
Journal Article
Few, C. G., Gibson, B. K., Courty, S., Michel-Dansac, L., Brook, C. B., & Stinson, G. S. (2012). Properties of simulated Milky Way-mass galaxies in loose group and field environments. Astronomy and Astrophysics, 547, Article ARTN A63. https://doi.org/10.1051/0004-6361/201219649

Aims. We test the validity of comparing simulated field disk galaxies with the empirical properties of systems situated within environments more comparable to loose groups, including the Milky Way's Local Group. Methods. Cosmological simulations of M... Read More about Properties of simulated Milky Way-mass galaxies in loose group and field environments.

The role of stellar mass and environment for cluster blue fraction, AGN fraction and star formation indicators from a targeted analysis of Abell 1691 (2012)
Journal Article
Pimbblet, K. A., & Jensen, P. C. (2012). The role of stellar mass and environment for cluster blue fraction, AGN fraction and star formation indicators from a targeted analysis of Abell 1691. Monthly notices of the Royal Astronomical Society, 426(2), 1632-1646. https://doi.org/10.1111/j.1365-2966.2012.21855.x

We present an analysis of the galaxy population of the intermediate X-ray luminosity galaxy cluster, Abell 1691, from Sloan Digital Sky Survey (SDSS) and Galaxy Zoo data to elucidate the relationships between environment and galaxy stellar mass for a... Read More about The role of stellar mass and environment for cluster blue fraction, AGN fraction and star formation indicators from a targeted analysis of Abell 1691.

The NuGrid Research Platform: A Comprehensive Simulation Approach for Nuclear Astrophysics (2012)
Journal Article
Pignatari, M., & Herwig, F. (2012). The NuGrid Research Platform: A Comprehensive Simulation Approach for Nuclear Astrophysics. Nuclear physics news : a publication of NuPECC and EPS-NPB, 22(4), 18-23. https://doi.org/10.1080/10619127.2012.710142

Since the seminal works by BBFH [1] and Cameron et al. [2] a lot of progress in our understanding of the formation of the elements in stars has been made. Increasing fidelity of spectroscopic observations of stellar abundances as well as high-precis... Read More about The NuGrid Research Platform: A Comprehensive Simulation Approach for Nuclear Astrophysics.

Tidal interactions at the edge of the Local Group: New evidence for tidal features in the antlia Dwarf galaxy (2012)
Journal Article
Penny, S. J., Pimbblet, K. A., Conselice, C. J., Brown, M. J., Grützbauch, R., & Floyd, D. J. (2012). Tidal interactions at the edge of the Local Group: New evidence for tidal features in the antlia Dwarf galaxy. Astrophysical journal. Letters, 758(2), Article L32. https://doi.org/10.1088/2041-8205/758/2/L32

Using deep B-band imaging down to μ B = 26 mag arcsec -2 , we present evidence for tidal tails in the Antlia Dwarf galaxy, one of the most distant members of the Local Group. This elongation is in the direction of Antlia's nearest neighbor, the Magel... Read More about Tidal interactions at the edge of the Local Group: New evidence for tidal features in the antlia Dwarf galaxy.