All Outputs (236)

Redshift measurement through star formation (2019)
Journal Article
Lindholmer, M. O., & Pimbblet, K. A. (2019). Redshift measurement through star formation. Astronomy and Astrophysics, 629, Article A7. https://doi.org/10.1051/0004-6361/201833046

© ESO 2019. In this work we use the property that, on average, star formation rate increases with redshift for objects with the same mass - the so called galaxy main sequence - to measure the redshift of galaxy clusters. We use the fact that the gene... Read More about Redshift measurement through star formation.

Star-Forming, Rotating Spheroidal Galaxies in the GAMA and SAMI Surveys (2019)
Journal Article
Moffett, A. J., Phillipps, S., Robotham, A. S. G., Driver, S. P., Bremer, M. N., Cortese, L., Wong, O. I., Brough, S., Brown, M. J. I., Bryant, J. J., Conselice, C. J., Croom, S. M., George, K., Goldstein, G., Goodwin, M., Holwerda, B. W., Hopkins, A. M., Konstantopoulos, I. S., Lawrence, J. S., Lorente, N. P. F., …Van De Sande, J. (2019). Star-Forming, Rotating Spheroidal Galaxies in the GAMA and SAMI Surveys. Monthly notices of the Royal Astronomical Society, 489(2), 2830–2843. https://doi.org/10.1093/mnras/stz2237

The Galaxy And Mass Assembly (GAMA) survey has morphologically identified a class of ‘Little Blue Spheroid’ (LBS) galaxies whose relationship to other classes of galaxies we now examine in detail. Considering a sample of 868 LBSs, we find that such g... Read More about Star-Forming, Rotating Spheroidal Galaxies in the GAMA and SAMI Surveys.

The frequency of dust lanes in edge-on spiral galaxies identified by galaxy Zoo in KiDS Imaging of GAMA Targets (2019)
Journal Article
Holwerda, B. W., Kelvin, L., Baldry, I., Lintott, C., Alpaslan, M., Pimbblet, K. A., Liske, J., Kitching, T., Bamford, S., De Jong, J., Bilicki, M., Hopkins, A., Bridge, J., Steele, R., Jacques, A., Goswami, S., Kusmic, S., Roemer, W., Kruk, S., Popescu, C. C., …Kitching, T. (2019). The frequency of dust lanes in edge-on spiral galaxies identified by galaxy Zoo in KiDS Imaging of GAMA Targets. Astronomical Journal, 158(3), Article 103. https://doi.org/10.3847/1538-3881/ab2886

Dust lanes bisect the plane of a typical edge-on spiral galaxy as a dark optical absorption feature. Their appearance is linked to the gravitational stability of spiral disks; the fraction of edge-on galaxies that displays a dust lane is a direct ind... Read More about The frequency of dust lanes in edge-on spiral galaxies identified by galaxy Zoo in KiDS Imaging of GAMA Targets.

News article classification using Kolmogorov complexity distance measure and artificial neural network (2019)
Journal Article
Fagbola, T. M., Thakur, C. S., & Olugbara, O. (2019). News article classification using Kolmogorov complexity distance measure and artificial neural network. International Journal of Technology, 10(4), 710-720. https://doi.org/10.14716/ijtech.v10i4.2339

News article classification is a recently growing area of interest in text classification because of its associated multiple matching categories. However, the weak reliability indices and ambiguities associated with state-of-the-art classifiers often... Read More about News article classification using Kolmogorov complexity distance measure and artificial neural network.

ASKAP commissioning observations of the GAMA 23 field (2019)
Journal Article
Leahy, D. A., Hopkins, A. M., Norris, R. P., Marvil, J., Collier, J. D., Taylor, E. N., Allison, J. R., Anderson, C., Bell, M., Bilicki, M., Bland-Hawthorn, J., Brough, S., Brown, M. J., Driver, S., Gurkan, G., Harvey-Smith, L., Heywood, I., Holwerda, B. W., Liske, J., Lopez-Sanchez, A. R., …Wang, L. (2019). ASKAP commissioning observations of the GAMA 23 field. Publications / Astronomical Society of Australia, 36, Article e024. https://doi.org/10.1017/pasa.2019.16

© Astronomical Society of Australia 2019. We have observed the G23 field of the Galaxy AndMass Assembly (GAMA) survey using the Australian Square Kilometre Array Pathfinder (ASKAP) in its commissioning phase to validate the performance of the telesco... Read More about ASKAP commissioning observations of the GAMA 23 field.

Multi-temporal dual- and quad-polarimetric synthetic aperture radar data for crop-type mapping (2019)
Journal Article
Valcarce-Diñeiro, R., Arias-Pérez, B., Lopez-Sanchez, J. M., & Sánchez, N. (2019). Multi-temporal dual- and quad-polarimetric synthetic aperture radar data for crop-type mapping. Remote Sensing, 11(13), Article 1518. https://doi.org/10.3390/rs11131518

Land-cover monitoring is one of the core applications of remote sensing. Monitoring and mapping changes in the distribution of agricultural land covers provide a reliable source of information that helps environmental sustainability and supports agri... Read More about Multi-temporal dual- and quad-polarimetric synthetic aperture radar data for crop-type mapping.

The effect of minor and major mergers on the evolution of low excitation radio galaxies (2019)
Journal Article
Gordon, Y. A., Pimbblet, K. A., Kaviraj, S., Owers, M. S., O'Dea, C. P., Walmsley, M., Baum, S. A., Crossett, J. P., Fraser-Mckelvie, A., Lintott, C. J., & Pierce, J. C. (2019). The effect of minor and major mergers on the evolution of low excitation radio galaxies. The Astrophysical journal, 878(2), Article 88. https://doi.org/10.3847/1538-4357/ab203f

We use deep, μ r lesssim 28 mag arcsec−2, r-band imaging from the Dark Energy Camera Legacy Survey to search for past, or ongoing, merger activity in a sample of 282 low-excitation radio galaxies (LERGs) at z < 0.07. Our principal aim is to assess t... Read More about The effect of minor and major mergers on the evolution of low excitation radio galaxies.

Water quality modelling of the Mekong River basin: climate change and socioeconomics drive flow and nutrient flux changes to the Mekong Delta (2019)
Journal Article
Whitehead, P. G., Jin, L., Bussi, G., Voepel, H. E., Darby, S. E., Vasilopoulos, G., Manley, R., Rodda, H., Hutton, C., Hackney, C., Tri, V. P. D., & Hung, N. N. (2019). Water quality modelling of the Mekong River basin: climate change and socioeconomics drive flow and nutrient flux changes to the Mekong Delta. Science of the Total Environment, 673, 218-229. https://doi.org/10.1016/j.scitotenv.2019.03.315

The Mekong delta is recognised as one of the world's most vulnerable mega-deltas, being subject to a range of environmental pressures including sea level rise, increasing population, and changes in flows and nutrients from its upland catchment. With... Read More about Water quality modelling of the Mekong River basin: climate change and socioeconomics drive flow and nutrient flux changes to the Mekong Delta.

Evolution of the stellar mass function and infrared luminosity function of galaxies since z = 1.2 (2019)
Journal Article
Beare, R., Brown, M. J., Pimbblet, K., & Taylor, E. N. (2019). Evolution of the stellar mass function and infrared luminosity function of galaxies since z = 1.2. The Astrophysical journal, 873(1), Article 78. https://doi.org/10.3847/1538-4357/ab041a

© 2019. The American Astronomical Society. All rights reserved. We measured evolution of the K-band luminosity function and stellar mass function (SMF) for red and blue galaxies at z < 1.2 using a sample of 353 594 I < 24 galaxies in 8.26 square degr... Read More about Evolution of the stellar mass function and infrared luminosity function of galaxies since z = 1.2.

Crystal toxins and the volunteer's dilemma in bacteria (2019)
Journal Article
Patel, M., Raymond, B., Bonsall, M. B., & West, S. A. (2019). Crystal toxins and the volunteer's dilemma in bacteria. Journal of evolutionary biology, 32(4), 310-319. https://doi.org/10.1111/jeb.13415

The growth and virulence of the bacteria Bacillus thuringiensis depend on the production of Cry toxins, which are used to perforate the gut of its host. Successful invasion of the host relies on producing a threshold amount of toxin, after which ther... Read More about Crystal toxins and the volunteer's dilemma in bacteria.

Can VEGFC Form Turing Patterns in the Zebrafish Embryo? (2019)
Journal Article
Wertheim, K. Y., & Roose, T. (2019). Can VEGFC Form Turing Patterns in the Zebrafish Embryo?. Bulletin of Mathematical Biology, 81(4), 1201-1237. https://doi.org/10.1007/s11538-018-00560-2

This paper is concerned with a late stage of lymphangiogenesis in the trunk of the zebrafish embryo. At 48 hours post-fertilisation (HPF), a pool of parachordal lymphangioblasts (PLs) lies in the horizontal myoseptum. Between 48 and 168 HPF, the PLs... Read More about Can VEGFC Form Turing Patterns in the Zebrafish Embryo?.

Resolution-aware Ensemble of Pose and Illumination-Invariant Feature Descriptors for Face Identification in Unconstrained Videos (2019)
Journal Article
Fagbola, T. M., & Thakur, C. S. (2019). Resolution-aware Ensemble of Pose and Illumination-Invariant Feature Descriptors for Face Identification in Unconstrained Videos. International Journal of Engineering Research & Technology, 12(12), 3114-3126

The recurring global security insurgence has posed new opportunities for massive deployment of Video Surveillance Systems (VSS). However, videos captured by such systems suffer characterized Low Resolution (LR), varying illumination and pose challeng... Read More about Resolution-aware Ensemble of Pose and Illumination-Invariant Feature Descriptors for Face Identification in Unconstrained Videos.

TERMHIGEN – A hybrid metaheuristic technique for solving large-scale vehicle routing problem with time windows (2019)
Journal Article
Fagbola, T. M., & Thakur, S. C. (2019). TERMHIGEN – A hybrid metaheuristic technique for solving large-scale vehicle routing problem with time windows. International Journal of Engineering Research & Technology, 12(2), 180-195

Vehicle Routing Problem with Time Windows (VRPTW) involves traversing a coordinated set of vehicular paths such that a set of customers is visited once within a given time-stamped boundary. VRPTW poses a great challenge to logistics distribution and... Read More about TERMHIGEN – A hybrid metaheuristic technique for solving large-scale vehicle routing problem with time windows.

Investigating the effect of implementation languages and large problem sizes on the tractability and efficiency of sorting algorithms (2019)
Journal Article
Fagbola, T. M., & Thakur, S. C. (2019). Investigating the effect of implementation languages and large problem sizes on the tractability and efficiency of sorting algorithms. International Journal of Engineering Research & Technology, 12(2), 196-203

Sorting is a data structure operation involving a re-arrangement of an unordered set of elements with witnessed real life applications for load balancing and energy conservation in distributed, grid and cloud computing environments. However, the rear... Read More about Investigating the effect of implementation languages and large problem sizes on the tractability and efficiency of sorting algorithms.

Rab-KAMS: A reproducible knowledge management system with visualization for preserving Rabbit Farming and Production Knowledge (2019)
Journal Article
Fagbola, T. M., Thakur, S. C., & Olugbara, O. (2019). Rab-KAMS: A reproducible knowledge management system with visualization for preserving Rabbit Farming and Production Knowledge. International journal of advanced computer science and applications : IJACSA, 10(1), 263-273. https://doi.org/10.14569/IJACSA.2019.0100135

The sudden rise in rural-to-urban migration has been a key challenge threatening food security and most especially the survival of Rabbit Farming and Production (RFP) in Sub-Saharan Africa. Currently, significant knowledge of RFP is going into extinc... Read More about Rab-KAMS: A reproducible knowledge management system with visualization for preserving Rabbit Farming and Production Knowledge.

A detailed study of giant pulses from PSR B1937+21 using the Large European Array for Pulsars (2018)
Journal Article
McKee, J. W., Stappers, B. W., Bassa, C. G., Chen, S., Cognard, I., Gaikwad, M., Janssen, G. H., Karuppusamy, R., Kramer, M., Lee, K. J., Liu, K., Perrodin, D., Sanidas, S. A., Smits, R., Wang, L., & Zhu, W. W. (2019). A detailed study of giant pulses from PSR B1937+21 using the Large European Array for Pulsars. Monthly notices of the Royal Astronomical Society, 483(4), 4784-4802. https://doi.org/10.1093/mnras/sty3058

We have studied 4265 giant pulses (GPs) from the millisecond pulsar B1937+21; the largest-ever sample gathered for this pulsar, in observations made with the Large European Array for Pulsars. The pulse energy distribution of GPs associated with the i... Read More about A detailed study of giant pulses from PSR B1937+21 using the Large European Array for Pulsars.

Influence of Incidence Angle in the Correlation of C-band Polarimetric Parameters with Biophysical Variables of Rain-fed Crops (2018)
Journal Article
Valcarce-Diñeiro, R., Lopez-Sanchez, J. M., Sánchez, N., Arias-Pérez, B., & Martínez-Fernández, J. (2018). Influence of Incidence Angle in the Correlation of C-band Polarimetric Parameters with Biophysical Variables of Rain-fed Crops. Canadian Journal of Remote Sensing, 44(6), 643-659. https://doi.org/10.1080/07038992.2019.1579051

A multi-temporal field experiment was conducted within the Soil Measurement Stations Network of the University of Salamanca (REMEDHUS) in Spain in order to retrieve useful crop information. The objective of this research was to evaluate the potential... Read More about Influence of Incidence Angle in the Correlation of C-band Polarimetric Parameters with Biophysical Variables of Rain-fed Crops.

Tests of gravitational symmetries with pulsar binary J1713+0747 (2018)
Journal Article
Zhu, W. W., Desvignes, G., Wex, N., Caballero, R. N., Champion, D. J., Demorest, P. B., Ellis, J. A., Janssen, G. H., Kramer, M., Krieger, A., Lentati, L., Nice, D. J., Ransom, S. M., Stairs, I. H., Stappers, B. W., Verbiest, J. P., Arzoumanian, Z., Bassa, C. G., Burgay, M., Cognard, I., …Tiburzi, C. (2019). Tests of gravitational symmetries with pulsar binary J1713+0747. Monthly notices of the Royal Astronomical Society, 482(3), 3249-3260. https://doi.org/10.1093/mnras/sty2905

Symmetries play a fundamental role in modern theories of gravity. The strong equivalence principle (SEP) constitutes a collection of gravitational symmetries which are all implemented by general relativity. Alternative theories, however, are generall... Read More about Tests of gravitational symmetries with pulsar binary J1713+0747.

Studying the Solar system with the International Pulsar Timing Array (2018)
Journal Article
Caballero, R. N., Guo, Y. J., Lee, K. J., Lazarus, P., Champion, D. J., Desvignes, G., Kramer, M., Plant, K., Arzoumanian, Z., Bailes, M., Bassa, C. G., Bhat, N. D., Brazier, A., Burgay, M., Burke-Spolaor, S., Chamberlin, S. J., Chatterjee, S., Cognard, I., Cordes, J. M., Dai, S., …Zhu, W. W. (2018). Studying the Solar system with the International Pulsar Timing Array. Monthly notices of the Royal Astronomical Society, 481(4), 5501-5516. https://doi.org/10.1093/MNRAS/STY2632

Pulsar-timing analyses are sensitive to errors in the Solar-system ephemerides (SSEs) that timing models utilize to estimate the location of the Solar-system barycentre, the quasi-inertial reference frame to which all recorded pulse times-of-arrival... Read More about Studying the Solar system with the International Pulsar Timing Array.

The kinematics of cluster galaxies via velocity dispersion profiles (2018)
Journal Article
Bilton, L. E., & Pimbblet, K. A. (2018). The kinematics of cluster galaxies via velocity dispersion profiles. Monthly notices of the Royal Astronomical Society, 481(2), 1507-1521. https://doi.org/10.1093/mnras/sty2379

© 2018 The Author(s). We present an analysis of the kinematics of a sample of 14 galaxy clusters via velocity dispersion profiles (VDPs), compiled using cluster parameters defined within the X-Ray Galaxy Clusters Database (BAX) cross-matched with dat... Read More about The kinematics of cluster galaxies via velocity dispersion profiles.