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2. SMC-Last Extracted Photometry

Author

Kuchar, T. A., Sloan, G. C., Mizuno, D. R., Kraemer, Kathleen E., Boyer, M. L., Groenewegen, Martin A. T., Jones, O. C., Kemper, F., McDonald, Iain, Oliveira, Joana M., Sewiło, Marta, Srinivasan, Sundar, van Loon, Jacco Th., and Zijlstra, Albert

Subjects
Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics
Abstract

We present point-source photometry from the Spitzer Space Telescope's final survey of the Small Magellanic Cloud (SMC). We mapped 30 square degrees in two epochs in 2017, with the second extending to early 2018 at 3.6 and 4.5 microns using the Infrared Array Camera. This survey duplicates the footprint from the SAGE-SMC program in 2008. Together, these surveys cover a nearly 10 yr temporal baseline in the SMC. We performed aperture photometry on the mosaicked maps produced from the new data. We did not use any prior catalogs as inputs for the extractor in order to be sensitive to any moving objects (e.g., foreground brown dwarfs) and other transient phenomena (e.g., cataclysmic variables or FU Ori-type eruptions). We produced a point-source catalog with high-confidence sources for each epoch as well as combined-epoch catalog. For each epoch and the combined-epoch data, we also produced a more complete archive with lower-confidence sources. All of these data products will be available to the community at the Infrared Science Archive., Comment: 16 pages, 11 figures, 6 tables

Published
2024
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9. Efficacy of monthly treatment with oral fluralaner (Bravecto® 1-Month) against Tunga penetrans in dogs in Brazil: a randomized, double-blind, controlled field study

Author

dos Santos, Katharine Costa, primary, Guedes, Paula Elisa Brandão, additional, Albuquerque, George Rêgo, additional, de Jesus, Anderson Vieira, additional, da Paixão Sevá, Anaiá, additional, de Oliveira, Joana Thaisa Santos, additional, de Carvalho Teixeira, Jamille Bispo, additional, Bitar, Thammy Vieira, additional, Harvey, Tatiani Vitor, additional, Ramos, Sofia Nadir Sanches, additional, Barufi, Francisco Bonomi, additional, de Almeida Borges, Fernando, additional, and Carlos, Renata Santiago Alberto, additional

Published
2024
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13. Body Condition Scores in Cats and Associations with Systolic Blood Pressure, Glucose Homeostasis, and Systemic Inflammation

Author

Vitor, Rebeca Costa, primary, Oliveira, Joana Thaisa Santos, additional, Navarro, Adan William de Melo, additional, Lima, Ana Carolina Ribeiro, additional, de Oliveira, Gabriela Mota Sena, additional, Munhoz, Alexandre Dias, additional, Sevá, Anaiá da Paixão, additional, Guedes, Paula Elisa Brandão, additional, and Carlos, Renata Santiago Alberto, additional

Published
2024
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28. Magnetic Refrigeration Materials at Micro-Scale

Author

Belo, João H., primary, da Silva, Daniel J., additional, Ventura, João, additional, Araújo, João P., additional, Pereira, André M., additional, Pires, Ana L., additional, and de Oliveira, Joana Cassilda Rodrigues Espain, additional

Published
2022
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32. Massive young stellar objects in the Local Group spiral galaxy M33 identified using machine learning

Author

Kinson, David A., Oliveira, Joana M., and van Loon, Jacco Th.

Subjects
Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics
Abstract

We present a supervised machine learning classification of stellar populations in the Local Group spiral galaxy M\,33. The Probabilistic Random Forest (PRF) methodology, previously applied to populations in NGC\,6822, utilises both near and far-IR classification features. It classifies sources into nine target classes: young stellar objects (YSOs), oxygen- and carbon-rich asymptotic giant branch stars, red giant branch and red super-giant stars, active galactic nuclei, blue stars (e.g. O-, B- and A-type main sequence stars), Wolf-Rayet stars and Galactic foreground stars. Across 100 classification runs the PRF classified 162,746 sources with an average estimated accuracy of $\sim$\,86\,per\,cent, based on confusion matrices. We identified 4985 YSOs across the disk of M\,33, applying a density-based clustering analysis to identify 68 star forming regions (SFRs) primarily in the galaxy's spiral arms. SFR counterparts to known H\,{\sc ii} regions were recovered, with $\sim$\,91\,per\,cent of SFRs spatially coincident with giant molecular clouds identified in the literature. Using photometric measurements, as well as SFRs in NGC\,6822 with an established evolutionary sequence as a benchmark, we employed a novel approach combining ratios of [H$\alpha$]$/$[24$\mu$m] and [250$\mu$m]$/$[500$\mu$m] to estimate the relative evolutionary status of all M\,33 SFRs. Masses were estimated for each YSO ranging from 6\,$-$\,27\,M$_\odot$. Using these masses, we estimate star formation rates based on direct YSO counts of 0.63\,M$_\odot$\,yr$^{-1}$ in M\,33's SFRs, 0.79\,$\pm$\,0.16\,M$_\odot$\,yr$^{-1}$ in its centre and 1.42\,$\pm$\,0.16\,M$_\odot$\,yr$^{-1}$ globally., Comment: 21 pages, 33 figures

Published
2022
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35. Altered amygdala volumes and microstructure in focal epilepsy patients with tonic–clonic seizures, ictal, and post‐convulsive central apnea

Author

Zeicu, Claudia, primary, Legouhy, Antoine, additional, Scott, Catherine A., additional, Oliveira, Joana F. A., additional, Winston, Gavin P., additional, Duncan, John S., additional, Vos, Sjoerd B., additional, Thom, Maria, additional, Lhatoo, Samden, additional, Zhang, Hui, additional, Harper, Ronald M., additional, and Diehl, Beate, additional

Published
2023
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43. Fatores de Risco Para Mortalidade Neonatal em Recém‐ nascidos Internados na UTI

Author

Silva, Denise Ribeiro da, primary, Castro, Ana Carolina Ramos de, additional, Lago, Roseany Barros Morais, additional, Brito, Frank Willam Silva, additional, Oliveira, Joana D'arc do Nascimento, additional, Almeida, Vitória Silva, additional, Sena, Thomas Dalysson Costa Feitosa de, additional, Dias, Jessica Maria Santos, additional, Silva, Bruno Eugênio da Costa, additional, and Sousa, Bruna Lorena Soares Cavalcante, additional

Published
2021
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44. The Detection of Deuterated Water in the Large Magellanic Cloud with ALMA

Author

Sewiło, Marta, Karska, Agata, Kristensen, Lars E., Charnley, Steven B., Chen, C. -H. Rosie, Oliveira, Joana M., Cordiner, Martin, Wiseman, Jennifer, Sánchez-Monge, Álvaro, van Loon, Jacco Th., Indebetouw, Remy, Schilke, Peter, and Garcia-Berrios, Emmanuel

Subjects
Astrophysics - Astrophysics of Galaxies
Abstract

We report the first detection of deuterated water (HDO) toward an extragalactic hot core. The HDO 2$_{11}$-2$_{12}$ line has been detected toward hot cores N105-2A and 2B in the N105 star-forming region in the low-metallicity Large Magellanic Cloud (LMC) dwarf galaxy with the Atacama Large Millimeter/submillimeter Array (ALMA). We have compared the HDO line luminosity ($L_{\rm HDO}$) measured toward the LMC hot cores to those observed toward a sample of seventeen Galactic hot cores covering three orders of magnitude in $L_{\rm HDO}$, four orders of magnitude in bolometric luminosity ($L_{\rm bol}$), and a wide range of Galactocentric distances (thus metallicities). The observed values of $L_{\rm HDO}$ for the LMC hot cores fit very well into the $L_{\rm HDO}$ trends with $L_{\rm bol}$ and metallicity observed toward the Galactic hot cores. We have found that $L_{\rm HDO}$ seems to be largely dependent on the source luminosity, but metallicity also plays a role. We provide a rough estimate of the H$_2$O column density and abundance ranges toward the LMC hot cores by assuming that HDO/H$_2$O toward the LMC hot cores is the same as that observed in the Milky Way; the estimated ranges are systematically lower than Galactic values. The spatial distribution and velocity structure of the HDO emission in N105-2A is consistent with HDO being the product of the low-temperature dust grain chemistry. Our results are in agreement with the astrochemical model predictions that HDO is abundant regardless of the extragalactic environment and should be detectable with ALMA in external galaxies., Comment: 21 pages, 2 tables, 9 figures (including appendices); Accepted for publication in the Astrophysical Journal

Published
2022
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47. Kit 'Energy, Environment and Sustainability': An Educational Strategy for a Sustainable Future. A Case Study for Guinea-Bissau

Author

Oliveira, Joana, Neves, Luísa, and Lanceros-Mendez, Senentxu

Abstract

Increasing the scientific knowledge of the population through education is a development strategy towards a sustainable future. However, there is no equity in the access to science education and scientific knowledge. The aim of this paper is to present and analyse a science kit named "Energy, Environment and Sustainability" (KEAS). Based on research conducted in Guinea-Bissau, it explores strategies to promote science education for a sustainable future. The strengths and limitations of the KEAS were studied using different data collection methods, including interviews, observation, survey, focus groups and document analysis. The participants were teacher trainers from the Guinea-Bissau School of Education. It is concluded that the KEAS is a feasible and suitable teaching strategy appropriate to the context, having the potential to contribute to learning about the environment and sustainability. Further, it addresses real problems for which students should acquire knowledge and skills in order to be able to make informed choices.

Published
2021

49. Contributors

Author

Baucher, Marie, primary, Behr, Marc, additional, El Bouhali, Aymane, additional, Burger, Rene, additional, Chen, Jiachuan, additional, Cárcamo-Martínez, Álvaro, additional, Dai, Lin, additional, Do, Xuan Tung, additional, Domínguez-Robles, Juan, additional, Donnelly, Ryan F., additional, Erdocia, Xabier, additional, Fatehi, Pedram, additional, Figueiredo, Patrícia, additional, de Freitas, Victor, additional, Gao, Weijue, additional, Gnanasekar, Pitchaimari, additional, Habibi, Youssef, additional, Hernández-Ramos, Fabio, additional, de Hoyos-Martínez, Pedro L., additional, Imlimthan, Surachet, additional, Izaguirre, Nagore, additional, El Jaziri, Mondher, additional, Kong, Fangong, additional, Labidi, Jalel, additional, Larrañeta, Eneko, additional, Liu, Rui, additional, Luzi, Francesca, additional, Ma, Piming, additional, Monakhova, Yulia, additional, Morales, Amaia, additional, Oliveira, Joana, additional, Pereira, Ana Rita, additional, Puglia, Debora, additional, Qian, Yong, additional, Qiu, Xueqing, additional, Rumpf, Jessica, additional, Santos, Hélder A., additional, Sarparanta, Mirkka, additional, Schulze, Margit, additional, Si, Chuan-Ling, additional, Stewart, Sarah A., additional, Torre, Luigi, additional, and Yang, Weijun, additional

Published
2021
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