Outputs (370)

A search for Centaurus A-like features in the spectra of Fermi-LAT detected radio galaxies (2020)
Journal Article

Motivated by the detection of a hardening in the γ-ray spectrum of the radio galaxy CentaurusA, we have analysed ∼10 years of Fermi-LAT observations of 26 radio galaxies to search for similar spectral features. We find that the majority of the radio... Read More about A search for Centaurus A-like features in the spectra of Fermi-LAT detected radio galaxies.

The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5 (2019)
Journal Article

We present the goals, design, and first results of the MUSE Ultra Deep Field (MUDF) survey, a large programme using the Multi Unit Spectroscopic Explorer (MUSE) instrument at the ESO Very Large Telescope. The MUDF survey is collecting ≈150 h on-sourc... Read More about The MUSE Ultra Deep Field (MUDF). II. Survey design and the gaseous properties of galaxy groups at 0.5 < z < 1.5.

Simulating MOS science on the ELT: Lyα forest tomography (2019)
Journal Article

Mapping the large-scale structure through cosmic time has numerous applications in studies of cosmology and galaxy evolution. At z ≳ 2, the structure can be traced by the neutral intergalactic medium (IGM) by way of observing the Lyα forest towards d... Read More about Simulating MOS science on the ELT: Lyα forest tomography.

Overview of new MAST physics in anticipation of first results from MAST Upgrade (2019)
Journal Article

The mega amp spherical tokamak (MAST) was a low aspect ratio device (R/a  =  0.85/0.65 ~ 1.3) with similar poloidal cross-section to other medium-size tokamaks. The physics programme concentrates on addressing key physics issues for the operation of... Read More about Overview of new MAST physics in anticipation of first results from MAST Upgrade.

Laboratory quantification of a plenoptic wavefront sensor with extended objects (2020)
Journal Article

From peculiar morphologies to Hubble-type spirals: the relation between galaxy dynamics and morphology in star-forming galaxies at z ∼ 1.5 (2019)
Journal Article

We present an analysis of the gas dynamics of star–forming galaxies at z ∼ 1.5 using data from the KMOS Galaxy Evolution Survey (KGES). We quantify the morphology of the galaxies using HSTCANDELS imaging parametrically and non-parametrically. We comb... Read More about From peculiar morphologies to Hubble-type spirals: the relation between galaxy dynamics and morphology in star-forming galaxies at z ∼ 1.5.

Automated wind velocity profiling from adaptive optics telemetry (2019)
Journal Article

Ground-based adaptive optics (AO) systems can use temporal control techniques to greatly improve image resolution. A measure of wind velocity as a function of altitude is needed to minimize the temporal errors associated with these systems. Spatio-te... Read More about Automated wind velocity profiling from adaptive optics telemetry.

Multi-plane remote refocussing epifluorescence microscopy to image dynamic Ca2+ events (2019)
Journal Article

Rapid imaging of multiple focal planes without sample movement may be achieved through remote refocusing, where imaging is carried out in a plane conjugate to the sample plane. The technique is ideally suited to studying the endothelial and smooth mu... Read More about Multi-plane remote refocussing epifluorescence microscopy to image dynamic Ca2+ events.

AOtools - a Python package for adaptive optics modelling and analysis (2019)
Journal Article

AOtools is a Python package that is open-source and aimed at providing tools for adaptive optics users and researchers. We present version 1.0, which contains tools for adaptive optics processing, including analysing data in the pupil plane, images a... Read More about AOtools - a Python package for adaptive optics modelling and analysis.

Experience with Artificial Neural Networks Applied in Multi-object Adaptive Optics (2019)
Journal Article

The use of artificial Intelligence techniques has become widespread in many fields of science, due to their ability to learn from real data and adjust to complex models with ease. These techniques have landed in the field of adaptive optics, and are... Read More about Experience with Artificial Neural Networks Applied in Multi-object Adaptive Optics.

Quasar Sightline and Galaxy Evolution (QSAGE) survey - II. Galaxy overdensities around UV luminous quasars at z = 1-2 (2020)
Journal Article

We demonstrate that the UV brightest quasars at z = 1–2 live in overdense environments. This is based on an analysis of deep Hubble Space Telescope WFC3 G141 grism spectroscopy of the galaxies along the lines-of-sight to UV luminous quasars in the re... Read More about Quasar Sightline and Galaxy Evolution (QSAGE) survey - II. Galaxy overdensities around UV luminous quasars at z = 1-2.

On-sky results for adaptive optics control with data-driven models on low-order modes (2020)
Journal Article

Dedicated tip-tilt loops are commonly implemented on adaptive optics (AO) systems. In addition, a number of recent high-performance systems feature tip-tilt controllers which are more efficient than the integral action controller. In this context, Li... Read More about On-sky results for adaptive optics control with data-driven models on low-order modes.

The energetics of starburst-driven outflows at z ∼ 1 from KMOS (2019)
Journal Article

We present an analysis of the gas outflow energetics from KMOS observations of 529 main-sequence star-forming galaxies at z 1 using broad, underlying Hα and forbid- den lines of [Nii] and [Sii]. Based on the stacked spectra for a sample with median s... Read More about The energetics of starburst-driven outflows at z ∼ 1 from KMOS.

Scattering of spoof surface plasmon polaritons in defect-rich THz waveguides (2019)
Journal Article

We report on the first observation of ‘Spoof’ Surface Plasmon Polariton (SPP) scattering from surface defects on metal-coated 3D printed, corrugated THz waveguiding surfaces. Surface defects, a result of the printing process, are shown to assist the... Read More about Scattering of spoof surface plasmon polaritons in defect-rich THz waveguides.

The PDS 110 observing campaign – photometric and spectroscopic observations reveal eclipses are aperiodic (2019)
Journal Article

PDS 110 is a young disc-hosting star in the Orion OB1A association. Two dimming events of similar depth and duration were seen in 2008 (WASP) and 2011 (KELT), consistent with an object in a closed periodic orbit. In this paper, we present data from a... Read More about The PDS 110 observing campaign – photometric and spectroscopic observations reveal eclipses are aperiodic.

The Pre-He White Dwarf in the Post-mass Transfer Binary EL CVn (2019)
Journal Article

EL CVn is the prototype of a class of eclipsing binaries that consist of an A- or F-type main-sequence star and a hot, low-mass, pre-He white dwarf (pre-He WD), the stripped down remains of the former mass donor. Here we present the first direct dete... Read More about The Pre-He White Dwarf in the Post-mass Transfer Binary EL CVn.

An open source toolkit for the tracking, termination and recovery of high altitude balloon flights and payloads (2019)
Journal Article

We present an open source toolkit of flight-proven electronic devices which can be used to track, terminate and recover high altitude balloon flights and payloads. Comprising a beacon, pyrotechnic and non-pyrotechnic cut-down devices plus associated... Read More about An open source toolkit for the tracking, termination and recovery of high altitude balloon flights and payloads.

PEPITO: atmospheric Profiling from short-Exposure focal Plane Images in seeing-limiTed mOde (2019)
Journal Article

Atmospheric profiling is a requirement for controlling wide-field Adaptive Optics (AO) instruments, analyzing the AO performance with respect to the observing conditions and predicting the Point Spread Function (PSF) spatial variations. We present PE... Read More about PEPITO: atmospheric Profiling from short-Exposure focal Plane Images in seeing-limiTed mOde.

The Type II-plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor (2019)
Journal Article

We present extensive optical photometric and spectroscopic observations, from 4 to 482 days after explosion, of the Type II-plateau (II-P) supernova (SN) 2017eaw in NGC 6946. SN 2017eaw is a normal SN II-P intermediate in properties between, for exam... Read More about The Type II-plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor.

Photoactivated cell-killing involving a low molecular weight, donor-acceptor diphenylacetylene (2019)
Journal Article

Photoactivation of photosensitisers can be utilised to elicit the production of ROS, for potential therapeutic applications, including the destruction of diseased tissues and tumours. A novel class of photosensitiser, exemplified by DC324, has been d... Read More about Photoactivated cell-killing involving a low molecular weight, donor-acceptor diphenylacetylene.