All Outputs (79)

The interplay between dust and radiation (2024)
Book Chapter
Richings, A. (2024). The interplay between dust and radiation. In S. Bovino, & T. Grassi (Eds.), Astrochemical Modeling: Practical Aspects of Microphysics in Numerical Simulations (157-188). Amsterdam: Elsevier. https://doi.org/10.1016/B978-0-32-391746-9.00015-8

The attenuation of radiation due to dust depends on the composition and optical properties of the dust grains. This is fundamental to determine the impact of radiation on chemical evolution. In this chapter we discuss how we can compute grain propert... Read More about The interplay between dust and radiation.

Pulsar scintillation through thick and thin: bow shocks, bubbles, and the broader interstellar medium (2023)
Journal Article
Ocker, S. K., Cordes, J. M., Chatterjee, S., Stinebring, D. R., Dolch, T., Giannakopoulos, C., …Reardon, D. J. (2024). Pulsar scintillation through thick and thin: bow shocks, bubbles, and the broader interstellar medium. Monthly notices of the Royal Astronomical Society, 527(3), 7568-7587. https://doi.org/10.1093/mnras/stad3683

Observations of pulsar scintillation are among the few astrophysical probes of very small-scale ( au) phenomena in the interstellar medium (ISM). In particular, characterization of scintillation arcs, including their curvature and intensity distribut... Read More about Pulsar scintillation through thick and thin: bow shocks, bubbles, and the broader interstellar medium.

The black widow pulsar J1641+8049 in the optical, radio, and X-rays (2023)
Journal Article
Kirichenko, A. Y., Zharikov, S. V., Karpova, A. V., Fonseca, E., Zyuzin, D. A., Shibanov, Y. A., …Swiggum, J. K. (2024). The black widow pulsar J1641+8049 in the optical, radio, and X-rays. Monthly notices of the Royal Astronomical Society, 527(3), 4563-4572. https://doi.org/10.1093/mnras/stad3391

PSR J1641+8049 is a 2 ms black widow pulsar with the 2.2 h orbital period detected in the radio and γ -rays. We performed new phase-resolved multiband photometry of PSR J1641+8049 using the OSIRIS instrument at the Gran Telescopio Canarias. The obtai... Read More about The black widow pulsar J1641+8049 in the optical, radio, and X-rays.

Rapid disc settling and the transition from bursty to steady star formation in Milky Way-mass galaxies (2022)
Journal Article
Gurvich, A. B., Stern, J., Faucher-Giguère, C. A., Hopkins, P. F., Wetzel, A., Moreno, J., …Hafen, Z. (2023). Rapid disc settling and the transition from bursty to steady star formation in Milky Way-mass galaxies. Monthly notices of the Royal Astronomical Society, 519(2), 2598-2614. https://doi.org/10.1093/mnras/stac3712

Recent observations and simulations indicate substantial evolution in the properties of galaxies with time, wherein rotationally supported and steady thin discs (like those frequently observed in the local Universe) emerge from galaxies that are clum... Read More about Rapid disc settling and the transition from bursty to steady star formation in Milky Way-mass galaxies.

Smart Face Masks for Covid-19 Pandemic Management: A Concise Review of Emerging Architectures, Challenges and Future Research Directions (2022)
Journal Article
Fagbola, T. M., Fagbola, F. I., Aroba, O. J., Doshi, R., Hiran, K. K., & Thakur, S. C. (2023). Smart Face Masks for Covid-19 Pandemic Management: A Concise Review of Emerging Architectures, Challenges and Future Research Directions. IEEE sensors journal, 23(2), 877-888. https://doi.org/10.1109/JSEN.2022.3225067

Smart sensing technology has been playing tremendous roles in digital healthcare management over time with great impacts. Lately, smart sensing has awoken the world by the advent of Smart Face Masks (SFM) in the global fight against the deadly Corona... Read More about Smart Face Masks for Covid-19 Pandemic Management: A Concise Review of Emerging Architectures, Challenges and Future Research Directions.

In silico identification of chemical compounds in Spondias mombin targeting aldose reductase and glycogen synthase kinase 3β to abate diabetes mellitus (2022)
Journal Article
Ajiboye, B. O., Fagbola, T. M., Folorunso, I. M., Salami, A. W., Aletile, O. N., Akomolede, B. A., …Oyinloye, B. E. (2023). In silico identification of chemical compounds in Spondias mombin targeting aldose reductase and glycogen synthase kinase 3β to abate diabetes mellitus. Informatics in Medicine Unlocked, 36, Article 101126. https://doi.org/10.1016/j.imu.2022.101126

Aldose reductase and glycogen synthase kinase 3β (GSK3β) represent two of the ideal drug targets in diabetes due to their role in the pathogenesis of diabetes. Studies have shown that plant compounds provide therapeutics in diabetes management. This... Read More about In silico identification of chemical compounds in Spondias mombin targeting aldose reductase and glycogen synthase kinase 3β to abate diabetes mellitus.

Robust parameter estimation from pulsar timing data (2022)
Journal Article
Samajdar, A., Shaifullah, G. M., Sesana, A., Antoniadis, J., Burgay, M., Chen, S., …Van Der Wateren, E. (2022). Robust parameter estimation from pulsar timing data. Monthly notices of the Royal Astronomical Society, 517(1), 1460-1468. https://doi.org/10.1093/mnras/stac2810

Recently, global pulsar timing arrays have released results from searching for a nano-Hertz gravitational wave background signal. Although there has not been any definite evidence of the presence of such a signal in residuals of pulsar timing data ye... Read More about Robust parameter estimation from pulsar timing data.

The effects of local stellar radiation and dust depletion on non-equilibrium interstellar chemistry (2022)
Journal Article
Richings, A. J., Faucher-Giguère, C. A., Gurvich, A. B., Schaye, J., & Hayward, C. C. (2022). The effects of local stellar radiation and dust depletion on non-equilibrium interstellar chemistry. Monthly notices of the Royal Astronomical Society, 517(2), 1557-1583. https://doi.org/10.1093/mnras/stac2338

Interstellar chemistry is important for galaxy formation, as it determines the rate at which gas can cool, and enables us to make predictions for observable spectroscopic lines from ions and molecules. We explore two central aspects of modelling the... Read More about The effects of local stellar radiation and dust depletion on non-equilibrium interstellar chemistry.

Long-term scintillation studies of EPTA pulsars I. Observations and basic results (2022)
Journal Article
Liu, Y., Verbiest, J. P., Main, R. A., Wu, Z., Ambalappat, K. M., Champion, D. J., …Theureau, G. (2022). Long-term scintillation studies of EPTA pulsars I. Observations and basic results. Astronomy and Astrophysics, 664, Article A116. https://doi.org/10.1051/0004-6361/202142552

Context. Interstellar scintillation analysis of pulsars allows us to probe the small-scale distribution and inhomogeneities of the ionized interstellar medium. From the frequency scale of scintillation, one can estimate the geometric time delays from... Read More about Long-term scintillation studies of EPTA pulsars I. Observations and basic results.

A theoretical analysis of the scale separation in a model to predict solid tumour growth (2022)
Journal Article
de Melo Quintela, B., Hervas-Raluy, S., Garcia-Aznar, J. M., Walker, D., Wertheim, K. Y., & Viceconti, M. (2022). A theoretical analysis of the scale separation in a model to predict solid tumour growth. Journal of Theoretical Biology, 547, Article 111173. https://doi.org/10.1016/j.jtbi.2022.111173

Solid tumour growth depends on a host of factors which affect the cell life cycle and extracellular matrix vascularization that leads to a favourable environment. The whole solid tumour can either grow or wither in response to the action of the immun... Read More about A theoretical analysis of the scale separation in a model to predict solid tumour growth.

The Large Dispersion and Scattering of FRB 20190520B Are Dominated by the Host Galaxy (2022)
Journal Article
Koch Ocker, S., Cordes, J. M., Chatterjee, S., Niu, C. H., Li, D., McKee, J. W., …Cruces, M. (2022). The Large Dispersion and Scattering of FRB 20190520B Are Dominated by the Host Galaxy. The Astrophysical journal, 931(2), Article 87. https://doi.org/10.3847/1538-4357/ac6504

The repeating fast radio burst FRB 20190520B is localized to a galaxy at z = 0.241, much closer than expected given its dispersion measure DM = 1205 ± 4 pc cm-3. Here we assess implications of the large DM and scattering observed from FRB 20190520B f... Read More about The Large Dispersion and Scattering of FRB 20190520B Are Dominated by the Host Galaxy.

Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs (2022)
Journal Article
Abbott, R., Abe, H., Acernese, F., Ackley, K., Adhikari, N., Adhikari, R., …Weltevrede, P. (2022). Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs. The Astrophysical journal, 935(1), Article 1. https://doi.org/10.3847/1538-4357/ac6acf

We present a targeted search for continuous gravitational waves (GWs) from 236 pulsars using data from the third observing run of LIGO and Virgo (O3) combined with data from the second observing run (O2). Searches were for emission from the l = m = 2... Read More about Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs.

Detection of quasi-periodic micro-structure in three millisecond pulsars with the Large European Array for Pulsars (2022)
Journal Article
Liu, K., Antoniadis, J., Bassa, C. G., Chen, S., Cognard, I., Gaikwad, M., …Possenti, A. (2022). Detection of quasi-periodic micro-structure in three millisecond pulsars with the Large European Array for Pulsars. Monthly notices of the Royal Astronomical Society, 513(3), 4037-4044. https://doi.org/10.1093/mnras/stac1082

We report on the detection of quasi-periodic micro-structure in three millisecond pulsars (MSPs), PSRs J1022+1001, J2145-0750, and J1744-1134, using high time resolution data acquired with the Large European Array for Pulsars at a radio frequency of... Read More about Detection of quasi-periodic micro-structure in three millisecond pulsars with the Large European Array for Pulsars.

Resilience of sloshing cold fronts against subsequent minor mergers (2022)
Journal Article
Vaezzadeh, I., Roediger, E., Cashmore, C., Hunt, M., Zuhone, J., Forman, W., …Churazov, E. (2022). Resilience of sloshing cold fronts against subsequent minor mergers. Monthly notices of the Royal Astronomical Society, 514(1), 518-534. https://doi.org/10.1093/mnras/stac784

Minor mergers are common in galaxy clusters. They have the potential to create sloshing cold fronts (SCFs) in the intracluster medium of the cluster. However, the resilience of SCFs to subsequent minor mergers is unknown. Here we investigate the exte... Read More about Resilience of sloshing cold fronts against subsequent minor mergers.

Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions (2022)
Journal Article
Driver, S. P., Bellstedt, S., Robotham, A. S. G., Baldry, I. K., Davies, L. J., Liske, J., …Wilkins, S. M. (2022). Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions. Monthly notices of the Royal Astronomical Society, 513(1), 439-467. https://doi.org/10.1093/mnras/stac472

In Galaxy And Mass Assembly Data Release 4 (GAMA DR4), we make available our full spectroscopic redshift sample. This includes 248 682 galaxy spectra, and, in combination with earlier surveys, results in 330 542 redshifts across five sky regions cove... Read More about Galaxy And Mass Assembly (GAMA): Data Release 4 and the z < 0.1 total and z < 0.08 morphological galaxy stellar mass functions.

Probing the Local Interstellar Medium with Scintillometry of the Bright Pulsar B1133 + 16 (2022)
Journal Article
McKee, J. W., Zhu, H., Stinebring, D. R., & Cordes, J. M. (2022). Probing the Local Interstellar Medium with Scintillometry of the Bright Pulsar B1133 + 16. The Astrophysical journal, 927(1), Article 99. https://doi.org/10.3847/1538-4357/ac460b

The interstellar medium hosts a population of scattering screens, most of unknown origin. Scintillation studies of pulsars provide a sensitive tool for resolving these scattering screens and a means of measuring their properties. In this paper, we re... Read More about Probing the Local Interstellar Medium with Scintillometry of the Bright Pulsar B1133 + 16.

Lexicon-Based Sentiment Analysis and Emotion Classification of Climate Change Related Tweets (2022)
Conference Proceeding
Fagbola, T. M., Abayomi, A., Mutanga, M. B., & Jugoo, V. (2022). Lexicon-Based Sentiment Analysis and Emotion Classification of Climate Change Related Tweets. In Proceedings of the 13th International Conference on Soft Computing and Pattern Recognition (SoCPaR 2021) (637-646). https://doi.org/10.1007/978-3-030-96302-6_60

The concerns for a potential future climate jeopardy has steered actions by youths globally to call the governments to immediately address challenges relating to climate change. In this paper, using natural language processing techniques in data scie... Read More about Lexicon-Based Sentiment Analysis and Emotion Classification of Climate Change Related Tweets.

Dual-frequency single-pulse study of PSR B0950+08 (2022)
Journal Article
Bilous, A. V., Grießmeier, J. M., Pennucci, T., Wu, Z., Bondonneau, L., Kondratiev, V., …Ziemke, J. (2022). Dual-frequency single-pulse study of PSR B0950+08. Astronomy and Astrophysics, 658, Article A143. https://doi.org/10.1051/0004-6361/202142242

PSR B0950+08 is a bright nonrecycled pulsar whose single-pulse fluence variability is reportedly large. Based on observations at two widely separated frequencies, 55 MHz (NenuFAR) and 1.4 GHz (Westerbork Synthesis Radio Telescope), we review the prop... Read More about Dual-frequency single-pulse study of PSR B0950+08.

The International Pulsar Timing Array second data release: Search for an isotropic gravitational wave background (2022)
Journal Article
Antoniadis, J., Arzoumanian, Z., Babak, S., Bailes, M., Bak Nielsen, A. S., Baker, P. T., …Shaifullah, G. (2022). The International Pulsar Timing Array second data release: Search for an isotropic gravitational wave background. Monthly notices of the Royal Astronomical Society, 510(4), 4873-4887. https://doi.org/10.1093/mnras/stab3418

We searched for an isotropic stochastic gravitational wave background in the second data release of the International Pulsar Timing Array, a global collaboration synthesizing decadal-length pulsar-timing campaigns in North America, Europe, and Austra... Read More about The International Pulsar Timing Array second data release: Search for an isotropic gravitational wave background.

Modelling annual scintillation arc variations in PSR J1643-1224 using the Large European Array for Pulsars (2022)
Journal Article
Mall, G., Main, R. A., Antoniadis, J., Bassa, C. G., Burgay, M., Chen, S., …Zhu, W. W. (2022). Modelling annual scintillation arc variations in PSR J1643-1224 using the Large European Array for Pulsars. Monthly notices of the Royal Astronomical Society, 511(1), 1104-1114. https://doi.org/10.1093/mnras/stac096

In this work, we study variations in the parabolic scintillation arcs of the binary millisecond pulsar PSR J1643-1224 over five years using the Large European Array for Pulsars (LEAP). The two-dimensional (2D) power spectrum of scintillation, called... Read More about Modelling annual scintillation arc variations in PSR J1643-1224 using the Large European Array for Pulsars.