Skip to main content

Research Repository

Advanced Search

All Outputs (750)

Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging (2017)
Journal Article
Eling, C. J., Price, T. W., Marshall, A. R. L., Narda Viscomi, F., Robinson, P., Firth, G., Adawi, A. M., Bouillard, J.-S. G., & Stasiuk, G. J. (2017). Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging. ChemPlusChem, 82(5), 674-680. https://doi.org/10.1002/cplu.201600593

A novel SERS/fluorescent multimodal imaging probe for mitochondria has been synthesised using 12 nm diameter gold nanoparticles (AuNP) surface functionalised with a rhodamine thiol derivative ligand. The normal pH dependant acidic fluorescence of the... Read More about Dual-modal SERS/fluorescence AuNP probe for mitochondrial imaging.

Chandra and JVLA Observations of HST Frontier Fields Cluster MACS J0717.5+3745 (2017)
Journal Article
van Weeren, R. J., Ogrean, G. A., Jones, C., Forman, W. R., Andrade-Santos, F., Pearce, C. J. J., Bonafede, A., Brüggen, M., Bulbul, E., Clarke, T. E., Churazov, E., David, L., Dawson, W. A., Donahue, M., Goulding, A., Kraft, R. P., Mason, B., Merten, J., Mroczkowski, T., Nulsen, P. E. J., …Zitrin, A. (2017). Chandra and JVLA Observations of HST Frontier Fields Cluster MACS J0717.5+3745. The Astrophysical journal, 835(2), 197. https://doi.org/10.3847/1538-4357/835/2/197

To investigate the relationship between thermal and non-thermal components in merger galaxy clusters, we present deep JVLA and Chandra observations of the HST Frontier Fields cluster MACS J0717.5+3745. The Chandra image shows a complex merger event,... Read More about Chandra and JVLA Observations of HST Frontier Fields Cluster MACS J0717.5+3745.

A study of central galaxy rotation with stellar mass and environment (2017)
Journal Article
Lara-Lopez, M. A., Lopez-Sanchez, A. R., Oliva-Altamirano, P., Brough, S., Tran, K.-V., Jimmy, Miller, C., Bremer, M. N., Phillipps, S., Sharp, R., Colless, M., Lara-López, M. A., López-Sánchez, Á. R., Pimbblet, K., Kafle, P. R., & Couch, W. J. (2017). A study of central galaxy rotation with stellar mass and environment. The Astronomical journal, 153(2), 89. https://doi.org/10.3847/1538-3881/153/2/89

© 2017. The American Astronomical Society. All rights reserved. We present a pilot analysis of the influence of galaxy stellar mass and cluster environment on the probability of slow rotation in 22 central galaxies at mean redshift z = 0.07. This inc... Read More about A study of central galaxy rotation with stellar mass and environment.

Chromospherically Active Stars in the RAVE Survey. II. Young dwarfs in the Solar neighborhood (2017)
Journal Article
Žerjal, M., Zwitter, T., Matijevič, G., Grebel, E. K., Kordopatis, G., Munari, U., Seabroke, G., Steinmetz, M., Wojno, J., Bienaymé, O., Bland-Hawthorn, J., Conrad, C., Freeman, K. C., Gibson, B. K., Gilmore, G., Kunder, A., Navarro, J., Parker, Q. A., Reid, W., Siviero, A., …Wyse, R. F. G. (2017). Chromospherically Active Stars in the RAVE Survey. II. Young dwarfs in the Solar neighborhood. The Astrophysical journal, 835(1), 61. https://doi.org/10.3847/1538-4357/835/1/61

A large sample of over 38,000 chromospherically active candidate solar-like stars and cooler dwarfs from the RAVE survey is addressed in this paper. An improved activity identification with respect to the previous study was introduced to build a cata... Read More about Chromospherically Active Stars in the RAVE Survey. II. Young dwarfs in the Solar neighborhood.

The Radial Velocity Experiment (RAVE): fifth data release (2017)
Journal Article
Kunder, A., Kordopatis, G., Steinmetz, M., Zwitter, T., McMillan, P. J., Casagrande, L., Enke, H., Wojno, J., Valentini, M., Chiappini, C., Matijevič, G., Siviero, A., De Laverny, P., Recio-Blanco, A., Bijaoui, A., Wyse, R. F. G., Binney, J., Grebel, E. K., Helmi, A., Jofre, P., …Mosser, B. (2017). The Radial Velocity Experiment (RAVE): fifth data release. Astronomical Journal, 153(2), 75. https://doi.org/10.3847/1538-3881/153/2/75

Data Release 5 (DR5) of the Radial Velocity Experiment (RAVE) is the fifth data release from a magnitude-limited (9 < I < 12) survey of stars randomly selected in the Southern Hemisphere. The RAVE medium-resolution spectra (R ∼ 7500) covering the Ca-... Read More about The Radial Velocity Experiment (RAVE): fifth data release.

Capturing the 3D motion of an infalling galaxy via fluid dynamics (2017)
Journal Article
Su, Y., Kraft, R. P., Nulsen, P. E. J., Roediger, E., Forman, W. R., Churazov, E., Randall, S. W., Jones, C., & Machacek, M. E. (2017). Capturing the 3D motion of an infalling galaxy via fluid dynamics. The Astrophysical journal, 835(1), 19. https://doi.org/10.3847/1538-4357/835/1/19

The Fornax Cluster is the nearest galaxy cluster in the southern sky. NGC 1404 is a bright elliptical galaxy falling through the intracluster medium of the Fornax Cluster. The sharp leading edge of NGC 1404 forms a classical "cold front" that separat... Read More about Capturing the 3D motion of an infalling galaxy via fluid dynamics.

i-process Nucleosynthesis and Mass Retention Efficiency in He-shell Flash Evolution of Rapidly Accreting White Dwarfs (2017)
Journal Article
Denissenkov, P. A., Herwig, F., Battino, U., Ritter, C., Pignatari, M., Jones, S., & Paxton, B. (2017). i-process Nucleosynthesis and Mass Retention Efficiency in He-shell Flash Evolution of Rapidly Accreting White Dwarfs. Astrophysical journal. Letters, 834(2), L10. https://doi.org/10.3847/2041-8213/834/2/l10

© 2017. The American Astronomical Society. All rights reserved. Based on stellar evolution simulations, we demonstrate that rapidly accreting white dwarfs (WDs) in close binary systems are an astrophysical site for the intermediate neutron-capture pr... Read More about i-process Nucleosynthesis and Mass Retention Efficiency in He-shell Flash Evolution of Rapidly Accreting White Dwarfs.

Deep Chandra observations of NGC 1404 : cluster plasma physics revealed by an infalling early-type galaxy (2017)
Journal Article
Kraft, R. P., Forman, W. R., Randall, S. W., Machacek, M. E., Roediger, E., Churazov, E., Forman, W., Jones, C., Kraft, R., Machacek, M., Nulsen, P., Randall, S., & Su, Y. (2017). Deep Chandra observations of NGC 1404 : cluster plasma physics revealed by an infalling early-type galaxy. The Astrophysical journal, 834(1), 74. https://doi.org/10.3847/1538-4357/834/1/74

The intracluster medium (ICM), as a magnetized and highly ionized fluid, provides an ideal laboratory to study plasma physics under extreme conditions that cannot yet be achieved on Earth. NGC 1404 is a bright elliptical galaxy that is being gas stri... Read More about Deep Chandra observations of NGC 1404 : cluster plasma physics revealed by an infalling early-type galaxy.

Time resolved anisotropic emission from an aluminium laser produced plasma (2017)
Journal Article
Wubetu, G. A., Fiedorowicz, H., Costello, J. T., & Kelly, T. J. (2017). Time resolved anisotropic emission from an aluminium laser produced plasma. Physics of Plasmas, 24(1), 013105. https://doi.org/10.1063/1.4973444

The polarisation anisotropy of the emission from a laser produced aluminium plasma has been studied using time and polarisation resolved spectroscopy at various background pressures of air. A Wollaston prism was used to resolve the emission from the... Read More about Time resolved anisotropic emission from an aluminium laser produced plasma.

A simple and general method for solving detailed chemical evolution with delayed production of iron and other chemical elements (2016)
Journal Article
Vincenzo, F., Matteucci, F., & Spitoni, E. (2017). A simple and general method for solving detailed chemical evolution with delayed production of iron and other chemical elements. Monthly notices of the Royal Astronomical Society, 466(3), 2939–2947. https://doi.org/10.1093/mnras/stw3369

We present a theoretical method for solving the chemical evolution of galaxies, by assuming an instantaneous recycling approximation for chemical elements restored by massive stars and the Delay Time Distribution formalism for the delayed chemical en... Read More about A simple and general method for solving detailed chemical evolution with delayed production of iron and other chemical elements.

Evidence for HI replenishment in massive galaxies through gas accretion from the cosmic web (2016)
Journal Article
Kleiner, D., Pimbblet, K. A., Heath Jones, D., Koribalski, B. S., & Serra, P. (2017). Evidence for HI replenishment in massive galaxies through gas accretion from the cosmic web. Monthly notices of the Royal Astronomical Society, 466(4), 4692-4710. https://doi.org/10.1093/mnras/stw3328

We examine the H i -to-stellar mass ratio (H i fraction) for galaxies near filament backbones within the nearby Universe (d < 181 Mpc). This work uses the 6 degree Field Galaxy Survey (6dFGS) and the Discrete Persistent Structures Extractor (DisPerSE... Read More about Evidence for HI replenishment in massive galaxies through gas accretion from the cosmic web.

Atomic “bomb testing”: the Elitzur–Vaidman experiment violates the Leggett–Garg inequality (2016)
Journal Article
Robens, C., Alt, W., Emary, C., Meschede, D., & Alberti, A. (2017). Atomic “bomb testing”: the Elitzur–Vaidman experiment violates the Leggett–Garg inequality. Applied physics. B, Lasers and optics, 123(1), Article 12. https://doi.org/10.1007/s00340-016-6581-y

Elitzur and Vaidman have proposed a measurement scheme that, based on the quantum superposition principle, allows one to detect the presence of an object—in a dramatic scenario, a bomb—without interacting with it. It was pointed out by Ghirardi that... Read More about Atomic “bomb testing”: the Elitzur–Vaidman experiment violates the Leggett–Garg inequality.

The evolution of the radial gradient of oxygen abundance in spiral galaxies (2016)
Preprint / Working Paper
Mollá, M., Díaz, Á., Ascasibar, Y., Gibson, B., Cavichia, O., Costa, R. D. D. D., & Maciel, W. J. The evolution of the radial gradient of oxygen abundance in spiral galaxies

The aim of this work is to present our new series of chemical evolution models computed for spiral and low mass galaxies of different total masses and star formation efficiencies. We analyze the results of models, in particular the evolution of the r... Read More about The evolution of the radial gradient of oxygen abundance in spiral galaxies.

Galaxy and Mass Assembly (GAMA): active galactic nuclei in pairs of galaxies (2016)
Journal Article
Gordon, Y. A., Owers, M. S., Pimbblet, K. A., Croom, S. M., Alpaslan, M., Baldry, I. K., Brough, S., Brown, M. J., Cluver, M. E., Conselice, C. J., Davies, L. J., Holwerda, B. W., Hopkins, A. M., Gunawardhana, M. L., Loveday, J., Taylor, E. N., & Wang, L. (2017). Galaxy and Mass Assembly (GAMA): active galactic nuclei in pairs of galaxies. Monthly notices of the Royal Astronomical Society, 465(3), 2671-2686. https://doi.org/10.1093/mnras/stw2925

There exist conflicting observations on whether or not the environment of broad and narrow line AGN differ and this consequently questions the validity of the AGN unification model. The high spectroscopic completeness of the GAMA survey makes it idea... Read More about Galaxy and Mass Assembly (GAMA): active galactic nuclei in pairs of galaxies.

Amine catalysis for the organocatalytic diboration of challenging alkenes (2016)
Journal Article
Farre, A., Soares, K., Briggs, R. A., Balanta, A., Benoit, D. M., & Bonet, A. (2016). Amine catalysis for the organocatalytic diboration of challenging alkenes. Chemistry: a European journal, 22(49), 17552-17556. https://doi.org/10.1002/chem.201603979

© 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim The generation of in situ sp 2 –sp 3 diboron adducts has revolutionised the synthesis of organoboranes. Organocatalytic diboration reactions have represented a milestone in terms of unpredictable re... Read More about Amine catalysis for the organocatalytic diboration of challenging alkenes.

Measuring the 2D baryon acoustic oscillation signal of galaxies in WiggleZ: cosmological constraints (2016)
Journal Article
Hinton, S. R., Kazin, E., Davis, T. M., Blake, C., Brough, S., Colless, M., Couch, W. J., Drinkwater, M. J., Glazebrook, K., Jurek, R. J., Parkinson, D., Pimbblet, K. A., Poole, G. B., Pracy, M., & Woods, D. (2017). Measuring the 2D baryon acoustic oscillation signal of galaxies in WiggleZ: cosmological constraints. Monthly notices of the Royal Astronomical Society, 464(4), 4807-4822. https://doi.org/10.1093/mnras/stw2725

© 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. We present results from the 2D anisotropic baryon acoustic oscillation (BAO) signal present in the final data set from the WiggleZ Dark Energy Surve... Read More about Measuring the 2D baryon acoustic oscillation signal of galaxies in WiggleZ: cosmological constraints.

A simple, low cost interferometric autocorrelator with no moving parts (2016)
Journal Article
Kelly, T. J., Davitt, S. J., & Costello, J. T. (2016). A simple, low cost interferometric autocorrelator with no moving parts. Measurement Science and Technology, 27(11), 117003. https://doi.org/10.1088/0957-0233/27/11/117003

The design and implementation of a low cost interferometric autocorrelator with no moving parts is discussed. It is found that the device is optically simple, uses low cost components and self aligns. The device is used to measure the interferometric... Read More about A simple, low cost interferometric autocorrelator with no moving parts.

HI4PI: A full-sky Hi survey based on EBHIS and GASS (2016)
Journal Article
Ben Bekhti, N., Flöer, L., Keller, R., Kerp, J., Lenz, D., Winkel, B., Bailin, J., Calabretta, M. R., Dedes, L., Ford, H. A., Gibson, B. K., Haud, U., Janowiecki, S., Kalberla, P. M. W., Lockman, F. J., McClure-Griffiths, N. M., Murphy, T., Nakanishi, H., Pisano, D. J., Staveley-Smith, L., & HI4PI Collaboration:. (2016). HI4PI: A full-sky Hi survey based on EBHIS and GASS. Astronomy and Astrophysics, 594, A116. https://doi.org/10.1051/0004-6361/201629178

© 2016 ESO. Context. Measurement of the Galactic neutral atomic hydrogen (H i) column density, NH i, and brightness temperatures, TB, is of high scientific value for a broad range of astrophysical disciplines. In the past two decades, one of the most... Read More about HI4PI: A full-sky Hi survey based on EBHIS and GASS.

Stellar yields and abundances: new directions from planetary nebulae (2016)
Journal Article
Lugaro, M., Karakas, A. I., Pignatari, M., & Doherty, C. L. (2016). Stellar yields and abundances: new directions from planetary nebulae. IAU symposium and colloquium proceedings series / International Astronomical Union. Symposium, 12(S323), 86-94. https://doi.org/10.1017/s1743921317001247

Copyright © International Astronomical Union 2017. Planetary nebulae retain the signature of the nucleosynthesis and mixing events that occurred during the previous AGB phase. Observational signatures complement observations of AGB and post-AGB stars... Read More about Stellar yields and abundances: new directions from planetary nebulae.

Looking for imprints of the first stellar generations in metal-poor bulge field stars (2016)
Journal Article
Chiappini, C., Freeman, K., Ness, M., Depagne, E., Cantelli, E., Hirschi, R., Frischknecht, U., Maeder, A., Pignatari, M., Barbuy, B., Cantelli, E. W. C., Chiappini, C., Depagne, É., Freeman, K., Frischknecht, U., Hirschi, R., Maeder, A., Meynet, G., Ness, M., & Siqueira-Mello, C. (2016). Looking for imprints of the first stellar generations in metal-poor bulge field stars. Astronomy and Astrophysics, 593, A79-1-A79-16. https://doi.org/10.1051/0004-6361/201628104

© 2016 ESO. Context. Efforts to look for signatures of the first stars have concentrated on metal-poor halo objects. However, the low end of the bulge metallicity distribution has been shown to host some of the oldest objects in the Milky Way and hen... Read More about Looking for imprints of the first stellar generations in metal-poor bulge field stars.