Search Results - "Mendez, Rene A"

Speckle Interferometry at SOAR in 2022 by Mason, Brian D., Tokovinin, Andrei, Mendez, Rene A., Costa, Edgardo

“…Abstract Results of the speckle-interferometry observations at the 4.1 m SOuthern Astrophysical Research Telescope obtained during 2022 are presented: 2508…”
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Speckle Interferometry at SOAR Telescope in 2023 by Tokovinin, Andrei, Mason, Brian D., Mendez, Rene A., Costa, Edgardo

“…Abstract Results of the speckle-interferometry observations at the 4.1 m Southern Astrophysical Research Telescope obtained during 2023 are presented: 1913…”
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Mass Ratio of Single-line Spectroscopic Binaries with Visual Orbits Using Bayesian Inference and Suitable Priors by Anguita-Aguero, Jennifer, Mendez, Rene A., Videla, Miguel, Costa, Edgardo, Vanzi, Leonardo, Castro-Morales, Nicolas, Caballero-Valdes, Camila

“…Abstract We present orbital elements for 22 single-line binaries, nine of them studied for the first time, determined from a joint spectroscopic and…”
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Optimal Observational Scheduling Framework for Binary and Multiple Stellar Systems by Videla, Miguel, Mendez, Rene A., Silva, Jorge F., Orchard, Marcos E.

“…Abstract The optimal instant of observation of astrophysical phenomena for objects that vary on human timescales is an important problem, as it bears on the…”
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Speckle Interferometry at SOAR in 2021 by Tokovinin, Andrei, Mason, Brian D., Mendez, Rene A., Costa, Edgardo

“…Abstract The speckle interferometry program at the the 4.1 m Southern Astrophysical Research Telescope (SOAR), which started in 2008, now has accumulated over…”
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Soluble mediators produced by the crosstalk between microvascular endothelial cells and dengue-infected primary dermal fibroblasts inhibit dengue virus replication and increase leukocyte transmigration by Bustos-Arriaga, José, Mita-Mendoza, Neida K., Lopez-Gonzalez, Moises, García-Cordero, Julio, Juárez-Delgado, Francisco J., Gromowski, Gregory D., Méndez-Cruz, René A., Fairhurst, Rick M., Whitehead, Stephen S., Cedillo-Barrón, Leticia

“…When dengue virus (DENV)-infected mosquitoes use their proboscis to probe into human skin during blood feeding, both saliva and virus are released. During this…”
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Orbital Elements and Individual Component Masses from Joint Spectroscopic and Astrometric Data of Double-line Spectroscopic Binaries by Anguita-Aguero, Jennifer, Mendez, Rene A., Clavería, Rubén M., Costa, Edgardo

“…Abstract We present orbital elements, orbital parallaxes, and individual component masses for 14 spatially resolved double-line spectroscopic binaries derived…”
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Bayes-based Orbital Elements Estimation in Triple Hierarchical Stellar Systems by Villegas, Constanza, Mendez, Rene A., Silva, Jorge F., Orchard, Marcos E.

“…Under certain rather prevalent conditions (driven by dynamical orbital evolution), a hierarchical triple stellar system can be well approximated, from the…”
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Bayesian Inference in Single-line Spectroscopic Binaries with a Visual Orbit by Videla, Miguel, Mendez, Rene A., Clavería, Rubén M., Silva, Jorge F., Orchard, Marcos E.

“…Abstract We present a Bayesian inference methodology for the estimation of orbital parameters on single-line spectroscopic binaries with astrometric data,…”
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20 Orbits of binaries based on soar speckle observations by Gómez, Jorge, Docobo, José A, Campo, Pedro P, Andrade, Manuel, Mendez, Rene A, Costa, Edgardo

“…ABSTRACT New observational data obtained during the 2018, 2019, and 2020 speckle runs with the 4.1-m Southern Astrophysical Research (SOAR) telescope located…”
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Exploring the Galactic Anticenter Substructure with LAMOST and Gaia DR2 by Li, Jing, Xue, Xiang-Xiang, Liu, Chao, Zhang, Bo, Rix, Hans-Walter, Carlin, Jeffrey L., Yang, Chengqun, Mendez, Rene A., Zhong, Jing, Tian, Hao, Zhang, Lan, Xu, Yan, Wu, Yaqian, Zhao, Gang, Chang, Ruixiang

“…Abstract We characterize the kinematic and chemical properties of 589 Galactic anticenter substructure stars (GASS) with K/M giants in integrals-of-motion…”
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Visual Binary Stars with Partially Missing Data: Introducing Multiple Imputation in Astrometric Analysis by Claveria, Ruben M., Mendez, Rene A., Silva, Jorge F., Orchard, Marcos E.

“…Partial measurements of relative position are a relatively common event during the observation of visual binary stars. However, these observations are…”
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NGC 6404 and 6583: two neglected intermediate-age open clusters located in the Galactic Centre direction by Carraro, Giovanni, Méndez, René A., Costa, Edgardo

“…We report on VI charge-coupled device photometry of two fields centred in the region of the open clusters NGC 6404 and 6583 down to V= 22.0. So far these…”
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The Gaia alerted fading of the FUor-type star Gaia21elv by Nagy, Zsófia, Park, Sunkyung, Ábrahám, Péter, Kóspál, Ágnes, Cruz-Sáenz de Miera, Fernando, Kun, Mária, Siwak, Michał, Szabó, Zsófia Marianna, Szilágyi, Máté, Fiorellino, Eleonora, Giannini, Teresa, Lee, Jae-Joon, Lee, Jeong-Eun, Marton, Gábor, Szabados, László, Vitali, Fabrizio, Andrzejewski, Jan, Gromadzki, Mariusz, Hodgkin, Simon, Jabłońska, Maja, Mendez, Rene A, Merc, Jaroslav, Michniewicz, Olga, Mikołajczyk, Przemysław J, Pylypenko, Uliana, Ratajczak, Milena, Wyrzykowski, Łukasz, Zejmo, Michal, Zieliński, Paweł

“…ABSTRACT FU Orionis objects (FUors) are eruptive young stars, which exhibit outbursts that last from decades to a century. Due to the duration of their…”
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Orbits of 14 binaries based on 2018 SOAR speckle observations by Docobo, José A, Gomez, Jorge, Campo, Pedro P, Andrade, Manuel, Horch, Elliott P, Costa, Edgardo, Mendez, Rene A

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Analysis of the Cramér-Rao Bound in the Joint Estimation of Astrometry and Photometry by Mendez, Rene A., Silva, Jorge F., Orostica, Rodrigo, Lobos, Rodrigo

“…In this paper, we use the Cramér-Rao lower uncertainty bound to estimate the maximum precision that could be achieved on the joint simultaneous (or…”
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Performance Analysis of the Least-Squares Estimator in Astrometry by Lobos, Rodrigo A., Silva, Jorge F., Mendez, Rene A., Orchard, Marcos

“…We characterize the performance of the widely used least-squares estimator in astrometry in terms of a comparison with the Cramér-Rao lower variance bound. In…”
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In-situ Star Formation in the Outskirts of the Large Magellanic Cloud: Gaia DR2 Confirmation by Casetti-Dinescu, Dana I, Girard, Terrence M, Bidin, Christian Moni, Zhang, Lan, Mendez, Rene A, Vieira, Katherine, Korchagin, Vladimir I, van Altena, William F

“…We explore the data release 2 (DR2) proper motions of six young, main-sequence stars, members of the Large Magellanic Cloud (LMC) reported by Moni Bidin et al…”
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A Study of Eight Visual-spectroscopic Southern Binaries Using Recent SOAR Observations by Docobo, José A., Campo, Pedro P., Gómez, Jorge, Méndez, René A., Costa, Edgardo

“…Abstract Speckle observations performed between 2019 and 2022 with the HRCam attached to the 4.1 m SOAR telescope (Cerro Pachón, Chile) permitted to improve…”
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Plasma triglyceride/HDL-cholesterol ratio, insulin resistance, and cardiometabolic risk in young adults by Murguía-Romero, Miguel, Jiménez-Flores, J. Rafael, Sigrist-Flores, Santiago C., Espinoza-Camacho, Miguel A., Jiménez-Morales, Mayra, Piña, Enrique, Méndez-Cruz, A. René, Villalobos-Molina, Rafael, Reaven, Gerald M.

“…Studies in mature adults suggest that the plasma concentration ratio of triglyceride (TG)/HDL-cholesterol (HDL-C) provides a simple way to identify apparently…”
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