Zobrazeno 1 - 10
of 5 974
pro vyhledávání: '"Cardaci A"'
Autor:
Oliveira, C. B., Dors, O. L., Zinchenko, I. A., Cardaci, M. V., Hägele, G. F., Morais, I. N., Santos, P. C., Almeida, G. C.
In this paper, we present a semi-empirical calibration between the oxygen abundance and the $N2$ emission-line ratio for Low Ionization Nuclear Emission Regions (LINERs). This relation was derived by comparing the optical spectroscopic data of 118 nu
Externí odkaz:
http://arxiv.org/abs/2411.02043
Autor:
Dors, O. L., Almeida, G. C., Oliveira, C. B., Flury, S. R., Riffel, R., Riffel, R. A., Cardaci, M. V., Hägele, G. F., Ilha, G. S., Krabbe, A. C., Arellano-Córdova, K. Z., Santos, P. C., Morais, I. N.
For the first time, a calibration between the HeI $\lambda5876$/H$\beta$ emission line ratio and the helium abundance $y$=12+log(He/H) for Narrow line regions (NLRs) of Seyfert~2 Active Galactic Nuclei (AGN) is proposed. In this context, observationa
Externí odkaz:
http://arxiv.org/abs/2406.03259
Autor:
Dors, O. L., Cardaci, M. V., Hägele, G. F., Valerdi, M., Ilha, G. S., Oliveira, C. B., Riffel, R. A., Flury, S. R., Arellano-Córdova, K. Z., Storchi-Bergmann, T., Riffel, R., Almeida, G. C., Morais, I. N.
We derive the nitrogen and oxygen abundances in the Narrow Line Regions (NLRs) of a sample of 38 local ($z \: < \: 0.4$) Seyfert~2 nuclei. For that, we consider narrow optical emission line intensities and direct estimates of the electron temperature
Externí odkaz:
http://arxiv.org/abs/2405.13906
Autor:
Oliveira Jr., C. B., Krabbe, A. C., Dors Jr., O. L., Zinchenko, I. A., Hernandez-Jimenez, J. A., Cardaci, M. V., Hägele, G. F., Ilha, G. S.
In this work, we investigated the nitrogen and oxygen abundances in a sample of galaxies with Low Ionization Nuclear Emission Regions (LINERs) in their nucleus. Optical spectroscopic data (3 600 - 10 000 {\AA}) of 40 LINERs from the Mapping Nearby Ga
Externí odkaz:
http://arxiv.org/abs/2404.16631
Cosmic metallicity evolution of Active Galactic Nuclei: Implications for optical diagnostic diagrams
Autor:
Dors, Oli L., Cardaci, M. V., Hagele, G. F., Ilha, G. S., Oliveira, C. B., Riffel, R. A., Riffel, R., Krabbe, A. C.
We analyze the validity of optical diagnostic diagrams relying on emission-lines ratios and in the context of classifying Active Galactic Nuclei (AGNs) according to the cosmic metallicity evolution in the redshift range 0 < z < 11.2. In this regard,
Externí odkaz:
http://arxiv.org/abs/2311.14026
Autor:
Dors, O. L., Valerdi, M., Riffel, R. A., Riffel, R., Cardaci, M. V., Hägele, G. F., Armah, M., Revalski, M., Flury, S. R., Freitas-Lemes, P., Amôres, E. B., Krabbe, A. C., Binette, L., Feltre, A., Storchi-Bergmann, T.
For the first time, the sulphur abundance relative to hydrogen (S/H) in the Narrow Line Regions of a sample of Seyfert 2 nuclei (Sy 2s) has been derived via direct estimation of the electron temperature. Narrow emission line intensities from the SDSS
Externí odkaz:
http://arxiv.org/abs/2302.12876
Autor:
Oliveira Jr., C. B., Krabbe, A. C., Hernandez-Jimenez, J. A., Dors Jr., O. L., Zinchenko, I. A., Hägele, G. F., Cardaci, M. V., Monteiro, A. F.
The ionizing source of Low Ionization Nuclear Emission Regions (LINERs) is uncertain. Because of this, an empirical relation to determine the chemical abundances of these objects has not been proposed. In this work, for the first time, we derived two
Externí odkaz:
http://arxiv.org/abs/2207.10260
Autor:
Tanja Eberhart, Federico Uchenna Stanley, Luisa Ricci, Tiziana Chirico, Roberto Ferrarese, Sofia Sisti, Alessandra Scagliola, Andreina Baj, Sylvia Badurek, Andreas Sommer, Rachel Culp-Hill, Monika Dzieciatkowska, Engy Shokry, David Sumpton, Angelo D’Alessandro, Nicola Clementi, Nicasio Mancini, Simone Cardaci
Publikováno v:
Cell Death and Disease, Vol 15, Iss 2, Pp 1-16 (2024)
Abstract Aconitate decarboxylase 1 (ACOD1) is the enzyme synthesizing itaconate, an immuno-regulatory metabolite tuning host-pathogen interactions. Such functions are achieved by affecting metabolic pathways regulating inflammation and microbe surviv
Externí odkaz:
https://doaj.org/article/3cd0e9d0544a4871a65621196c1cf98d
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLVIII-2-W4-2024, Pp 95-102 (2024)
The world is a complex subject whose dynamic range between dark and light cannot be captured by digital cameras. The range of light that can be measured and recorded by a single exposure, is too limited and adapted only for the average light values o
Externí odkaz:
https://doaj.org/article/8ec7d357a93e4177ab4aa1d0d8ecfaef
Autor:
Thomas D. Cardaci, Brandon N. VanderVeen, Brooke M. Bullard, Sierra J. McDonald, Christian A. Unger, Reilly T. Enos, Daping Fan, Kandy T. Velázquez, Norma Frizzell, Espen E. Spangenburg, E. Angela Murphy
Publikováno v:
Journal of Cachexia, Sarcopenia and Muscle, Vol 15, Iss 1, Pp 124-137 (2024)
Abstract Background More than 650 million people are obese (BMI > 30) worldwide, which increases their risk for several metabolic diseases and cancer. While cachexia and obesity are at opposite ends of the weight spectrum, leading many to suggest a p
Externí odkaz:
https://doaj.org/article/8e58be7d41294061abe0faa6c1ffb64b