Skip to main content

Research Repository

Advanced Search

All Outputs (74)

Galaxy and Mass Assembly (GAMA): Improved emission lines measurements in four representative samples at 0.07 < z < 0.3 (2016)
Journal Article
Rodrigues, M., Foster, C., Taylor, E. N., Wright, A. H., Hopkins, A. M., Baldry, I., …Pimbblet, K. A. (2016). Galaxy and Mass Assembly (GAMA): Improved emission lines measurements in four representative samples at 0.07 < z < 0.3. Astronomy and Astrophysics, 590, Article ARTN A18. https://doi.org/10.1051/0004-6361/201527836

This paper presents a new catalog of emission lines based on the GAMA II data for galaxies between 0.07 9.4 at z ~ 0.1 and log M∗> 10.6 at z ~ 0.30. We have developed a dedicated code called MARVIN that automates the main steps of the data analysis,... Read More about Galaxy and Mass Assembly (GAMA): Improved emission lines measurements in four representative samples at 0.07 < z < 0.3.

Structurally optimised BODIPY derivatives for imaging of mitochondrial dysfunction in cancer and heart cells (2016)
Journal Article
Nigam, S., Burke, B. P., Davies, L. H., Domarkas, J., Wallis, J. F., Waddell, P. G., …Archibald, S. J. (2016). Structurally optimised BODIPY derivatives for imaging of mitochondrial dysfunction in cancer and heart cells. Chemical communications : Chem comm / the Royal Society of Chemistry, 52(44), 7114-7117. https://doi.org/10.1039/c5cc08325g

The structural features required for mitochondrial uptake of BODIPY-based optical imaging agents have been explored. The first derivatives of this class of dyes shown to have mitochondrial membrane potential-dependent uptake in both cancer and heart... Read More about Structurally optimised BODIPY derivatives for imaging of mitochondrial dysfunction in cancer and heart cells.

Adsorption of imidazole on Au(111) surface: Dispersion corrected density functional study (2016)
Journal Article
Izzaouihda, S., Mahjoubi, K., Abou El Makarim, H., Komiha, N., & Benoit, D. M. (2016). Adsorption of imidazole on Au(111) surface: Dispersion corrected density functional study. Applied Surface Science, 383, 233-239. https://doi.org/10.1016/j.apsusc.2016.04.144

We use density functional theory in the generalized gradient approximation to study the adsorption of imidazole on the Au(111) surface and account for dispersion effect using Grimme's empirical dispersion correction technique. Our results show that t... Read More about Adsorption of imidazole on Au(111) surface: Dispersion corrected density functional study.

GAMA/WiggleZ: the 1.4 GHz radio luminosity functions of high- and low-excitation radio galaxies and their redshift evolution toz= 0.75 (2016)
Journal Article
Pracy, M. B., Ching, J. H. Y., Sadler, E. M., Croom, S. M., Baldry, I. K., Bland-Hawthorn, J., …Woods, D. (2016). GAMA/WiggleZ: the 1.4 GHz radio luminosity functions of high- and low-excitation radio galaxies and their redshift evolution toz= 0.75. Monthly notices of the Royal Astronomical Society, 460(1), 2-17. https://doi.org/10.1093/mnras/stw910

© 2016 The Authors. Published by Oxford University Press on behalf of The Royal Astronomical Society. We present radio active galactic nuclei (AGN) luminosity functions over the redshift range 0.005 < z < 0.75. The sample from which the luminosit... Read More about GAMA/WiggleZ: the 1.4 GHz radio luminosity functions of high- and low-excitation radio galaxies and their redshift evolution toz= 0.75.

Excitonic optical Tamm states: a step towards a full molecular-dielectric photonic integration (2016)
Journal Article
Núnez-Sánchez, S., Lopez-Garcia, M., Murshidy, M. M., Abdel-Hady, A. G., Serry, M., Adawi, A. M., …Barnes, W. L. (2016). Excitonic optical Tamm states: a step towards a full molecular-dielectric photonic integration. ACS Photonics, 3(5), 743-748. https://doi.org/10.1021/acsphotonics.6b00060

We report the first experimental observation of an excitonic optical Tamm state supported at the interface between a periodic multilayer dielectric structure and an organic dye-doped polymer layer. The existence of such states is enabled by the metal... Read More about Excitonic optical Tamm states: a step towards a full molecular-dielectric photonic integration.

The production of proton-rich isotopes beyond iron: The γ-process in stars (2016)
Journal Article
Pignatari, M., Göbel, K., Reifarth, R., & Travaglio, C. (2016). The production of proton-rich isotopes beyond iron: The γ-process in stars. International Journal of Modern Physics E, 25(4), Article 1630003. https://doi.org/10.1142/S0218301316300034

© 2016 World Scientific Publishing Company. Beyond iron, a small fraction of the total abundances in the Solar System is made of proton-rich isotopes, the p-nuclei. The clear understanding of their production is a fundamental challenge for nuclear as... Read More about The production of proton-rich isotopes beyond iron: The γ-process in stars.

The diverse origins of neutron-capture elements in the metal-poor star HD 94028 : possible detection of products of i-process nucleosynthesis (2016)
Journal Article
Roederer, I. U., Karakas, A. I., Pignatari, M., & Herwig, F. (2016). The diverse origins of neutron-capture elements in the metal-poor star HD 94028 : possible detection of products of i-process nucleosynthesis. The Astrophysical journal, 821(1), Article ARTN 37. https://doi.org/10.3847/0004-637X/821/1/37

We present a detailed analysis of the composition and nucleosynthetic origins of the heavy elements in the metal-poor ([Fe/H] = −1.62 ± 0.09) star HD 94028. Previous studies revealed that this star is mildly enhanced in elements produced by the slow... Read More about The diverse origins of neutron-capture elements in the metal-poor star HD 94028 : possible detection of products of i-process nucleosynthesis.

Towards a fundamental astrometric reference system behind the Malleganic clouds : spectroscopic confirmation of new quasar candidates selected in the near-infrared (2016)
Journal Article
Ivanov, V. D., Cioni, M. L., Bekki, K., De Grijs, R., Emerson, J., Gibson, B. K., …For, B. (2016). Towards a fundamental astrometric reference system behind the Malleganic clouds : spectroscopic confirmation of new quasar candidates selected in the near-infrared. The Messenger, 32-34

Quasi-stellar objects (quasars) located behind nearby galaxies provide an excellent absolute reference system for astrometric studies, but they are difficult to identify because of fore- and background contamination. We have embarked on a programme t... Read More about Towards a fundamental astrometric reference system behind the Malleganic clouds : spectroscopic confirmation of new quasar candidates selected in the near-infrared.

New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates (2016)
Journal Article
Ivanov, V. D., Cioni, M. L., Bekki, K., de Grijs, R., Emerson, J., Gibson, B. K., …For, B. (2016). New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates. Astronomy and Astrophysics, 588, Article A93. https://doi.org/10.1051/0004-6361/201527398

Context. Quasi-stellar objects (quasars) located behind nearby galaxies provide an excellent absolute reference system for astrometric studies, but they are difficult to identify because of fore- and background contamination. Deep wide-field, high an... Read More about New quasars behind the Magellanic Clouds. Spectroscopic confirmation of near-infrared selected candidates.

The many assembly histories of massive void galaxies as revealed by integral field spectroscopy (2016)
Journal Article
Fraser-McKelvie, A., Pimbblet, K. A., Penny, S. J., & Brown, M. J. I. (2016). The many assembly histories of massive void galaxies as revealed by integral field spectroscopy. Monthly notices of the Royal Astronomical Society, 459(1), 754-770. https://doi.org/10.1093/mnras/stw677

We present the first detailed integral field spectroscopy study of nine central void galaxies with M*>10¹⁰Mʘ using the Wide Field Spectrograph to determine how a range of assembly histories manifest themselves in the current day Universe.While the ma... Read More about The many assembly histories of massive void galaxies as revealed by integral field spectroscopy.

Time-of-Flight measurements of Single-Electron wave packets in quantum hall edge states (2016)
Journal Article
Kataoka, M., Johnson, N., Emary, C., See, P., Griffiths, J., Jones, G., …Janssen, T. (2016). Time-of-Flight measurements of Single-Electron wave packets in quantum hall edge states. Physical review letters, 116(12), Article 126803. https://doi.org/10.1103/PhysRevLett.116.126803

We report time-of-flight measurements on electrons traveling in quantum Hall edge states. Hot-electron wave packets are emitted one per cycle into edge states formed along a depleted sample boundary. The electron arrival time is detected by driving a... Read More about Time-of-Flight measurements of Single-Electron wave packets in quantum hall edge states.

Nitrogen and oxygen abundances in the Local Universe (2016)
Journal Article
Vincenzo, F., Belfiore, F., Maiolino, R., Matteucci, F., & Ventura, P. (2016). Nitrogen and oxygen abundances in the Local Universe. Monthly notices of the Royal Astronomical Society, 458(4), 3466–3477. https://doi.org/10.1093/mnras/stw532

We present chemical evolution models aimed at reproducing the observed (N/O) vs. (O/H) abundance pattern of star forming galaxies in the Local Universe. We derive gas-phase abundances from SDSS spectroscopy and a complementary sample of low-metallici... Read More about Nitrogen and oxygen abundances in the Local Universe.

Are ancient dwarf satellites the building blocks of the Galactic halo? (2016)
Journal Article
Spitoni, E., Vincenzo, F., Matteucci, F., & Romano, D. (2016). Are ancient dwarf satellites the building blocks of the Galactic halo?. Monthly notices of the Royal Astronomical Society, 458(3), 2541-2552. https://doi.org/10.1093/mnras/stw519

According to the current cosmological cold dark matter paradigm, the Galactic halo could have been the result of the assemblage of smaller structures. Here we explore the hypothesis that the classical and ultra-faint dwarf spheroidal satellites of th... Read More about Are ancient dwarf satellites the building blocks of the Galactic halo?.

Frontier fields clusters: deep Chandra observations of the complex merger MACS~J1149.6+2223 (2016)
Journal Article
Ogrean, G. A., Van Weeren, R. J., Jones, C., Forman, W., Dawson, W. A., Golovich, N., …Ebeling, H. (2016). Frontier fields clusters: deep Chandra observations of the complex merger MACS~J1149.6+2223. The Astrophysical journal, 819(2), 113-1-113-13. https://doi.org/10.3847/0004-637X/819/2/113

The Hubble Space Telescope Frontier Fields cluster MACS J1149.6+2223 is one of the most complex merging clusters, believed to consist of four dark matter halos. We present results from deep (365 ks) Chandra observations of the cluster, which reveal t... Read More about Frontier fields clusters: deep Chandra observations of the complex merger MACS~J1149.6+2223.

High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array (2016)
Journal Article
Desvignes, G., Caballero, R. N., Lentati, L., Verbiest, J. P., Champion, D. J., Stappers, B. W., …Vecchio, A. (2016). High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array. Monthly notices of the Royal Astronomical Society, 458(3), 3341-3380. https://doi.org/10.1093/mnras/stw483

We report on the high-precision timing of 42 radio millisecond pulsars (MSPs) observed by the European Pulsar Timing Array (EPTA). This EPTA Data Release 1.0 extends up to mid-2014 and baselines range from 7-18 yr. It forms the basis for the stochast... Read More about High-precision timing of 42 millisecond pulsars with the European Pulsar Timing Array.

STELLAR ORIGINS OF EXTREMELY C-13- AND N-15-ENRICHED PRESOLAR SIC GRAINS: NOVAE OR SUPERNOVAE? (2016)
Journal Article
Liu, N., Nittler, L. R., Alexander, C. M. O., Wang, J., Pignatari, M., José, J., & Nguyen, A. (2016). STELLAR ORIGINS OF EXTREMELY C-13- AND N-15-ENRICHED PRESOLAR SIC GRAINS: NOVAE OR SUPERNOVAE?. The Astrophysical journal, 820(2), 1-14. https://doi.org/10.3847/0004-637X/820/2/140

Extreme excesses of 13C (12C/13C < 10) and 15N (14N/15N < 20) in rare presolar SiC grains have been considered diagnostic of an origin in classical novae, though an origin in core collapse supernovae (CCSNe) has also been proposed. We report C, N, an... Read More about STELLAR ORIGINS OF EXTREMELY C-13- AND N-15-ENRICHED PRESOLAR SIC GRAINS: NOVAE OR SUPERNOVAE?.

Jupiter's X-ray and EUV auroras monitored by Chandra, XXM-Newton, and Hisaki satellite (2016)
Journal Article
Badman, S. V., Branduardi-Raymont, G., Dunn, W. R., Elsner, R. F., Ezoe, Y., Fujimoto, M., …Yoshioka, K. (2016). Jupiter's X-ray and EUV auroras monitored by Chandra, XXM-Newton, and Hisaki satellite. Journal of Geophysical Research: Space Physics, 121(3), 2308-2320. https://doi.org/10.1002/2015ja021893

Jupiter's X-ray auroral emission in the polar cap region results from particles which have undergone strong field-aligned acceleration into the ionosphere. The origin of precipitating ions and electrons and the time variability in the X-ray emission... Read More about Jupiter's X-ray and EUV auroras monitored by Chandra, XXM-Newton, and Hisaki satellite.

Properties of the outer regions of spiral disks: Abundances, colors and ages (2016)
Journal Article
Mollá, M., Díaz, A. I., Gibson, B. K., Cavichia, O., & López-Sánchez, Á. (2016). Properties of the outer regions of spiral disks: Abundances, colors and ages. IAU symposium and colloquium proceedings series / International Astronomical Union. Symposium, 11(S321), 102-104. https://doi.org/10.1017/s1743921316011030

© 2017 International Astronomical Union. We summarize the results obtained from our suite of chemical evolution models for spiral disks, computed for different total masses and star formation efficiencies. Once the gas, stars and star formation radia... Read More about Properties of the outer regions of spiral disks: Abundances, colors and ages.

First direct measurement of 12C (12C,n) 23Mg at stellar energies (2016)
Journal Article
Tang, X., Bucher, B., Fang, X., Heger, A., Almaraz-Calderon, S., Alongi, A., …Woosley, S. (2016). First direct measurement of 12C (12C,n) 23Mg at stellar energies. EPJ Web of Conferences, 109, 04009. https://doi.org/10.1051/epjconf/201610904009

© 2016 Owned by the authors, published by EDP Sciences. Neutrons produced by the carbon fusion reaction12C(12C,n)23Mg play an important role in stellar nucleosynthesis. Past studies have shown large discrepancies between experimental data and theory,... Read More about First direct measurement of 12C (12C,n) 23Mg at stellar energies.