Publications: Docobo, J. A., Campo, P. P., Gomez, J., Mendez, R.A ., Costa, E. "A Study of Eight Visual-spectroscopic Southern Binaries Using Recent SOAR Observations". The Astronomical Journal, 2023, 166. doi:10.3847/1538-3881/acffb7 Anguita-Aguero, J., Mendez, R. A. et al. "Mass Ratio of Single-line Spectroscopic Binaries with Visual Orbits Using Bayesian Inference and Suitable Priors". The Astronomical Journal, 2023, 166. doi:10.3847/1538-3881/acf297 Mason, B. D., Tokovinin, A., Mendez, R. A., Costa, E. "Speckle Interferometry at SOAR in 2022". The Astronomical Journal 2023, 166. doi:10.3847/1538-3881/acedaf Chauvin, G., Videla, M., Beust, H., Mendez, R. A. et al. "Chasing extreme planetary architectures. I. HD 196885 Ab, a super-Jupiter dancing with two stars?". Astronomy and Astrophysics, 2023, 675. doi:10.1051/0004-6361/202244502 Videla, M., Mendez, R. A., Silva, J. F., Orchard, M. E. "Optimal Observational Scheduling Framework for Binary and Multiple Stellar Systems". Publications of the Astronomical Society of the Pacific 2023, 135. doi:10.1088/1538-3873/acaebc Tokovinin, A., Mason, B. D., Mendez, R. A., Costa, E. "Speckle Interferometry at SOAR in 2021". The Astronomical Journal 2022, 164. doi:10.3847/1538-3881/ac78e7 Tokovinin, A., Mason, B. D., Mendez, R. A., Costa, E. 2022. VizieR Online Data Catalog: Speckle Interferometry at SOAR in 2021 (Tokovinin+, 2022). VizieR Online Data Catalog. doi:10.26093/cds/vizier.51640058 Videla, M., Mendez, R. A., Claveria, R. M., Silva, J. F., Orchard, M. E. "Bayesian Inference in Single-line Spectroscopic Binaries with a Visual Orbit". The Astronomical Journal 2022, 163. doi:10.3847/1538-3881/ac5ab4 Anguita-Aguero, J., Mendez, R. A., Claveria, R. M., Costa, E. "Orbital Elements and Individual Component Masses from Joint Spectroscopic and Astrometric Data of Double-line Spectroscopic Binaries". The Astronomical Journal 2022, 163. doi:10.3847/1538-3881/ac478c Gomez, J., Docobo, J. A., Campo, P. P., Andrade, M., Mendez, R. A., Costa, E."20 Orbits of binaries based on soar speckle observations". Monthly Notices of the Royal Astronomical Society 2022, 509, 4229–4245. doi:10.1093/mnras/stab2633 Tokovinin, A., Mason, B. D., Mendez, R. A., Costa, E., Mann, A. W., Henry, T. J. "Speckle Interferometry at SOAR in 2020". The Astronomical Journal 2021, 162. doi:10.3847/1538-3881/ac00bd Tokovinin, A., Mason, B. D., Mendez, R. A., Costa, E., Mann, A. W., Henry, T.J. 2021. VizieR Online Data Catalog: Speckle interferometry at SOAR in 2020 (Tokovinin+, 2021). VizieR Online Data Catalog. doi:10.26093/cds/vizier.51620041 Villegas, C., Mendez, R. A., Silva, J. F., Orchard, M. E."Bayes-based Orbital Elements Estimation in Triple Hierarchical Stellar Systems". Publications of the Astronomical Society of the Pacific 2021, 133. doi:10.1088/1538-3873/ac0239 Mendez, R. A., Claveria, R. M., and Costa, E., "Orbits and Masses of Binaries from Speckle Interferometry at SOAR", The Astronomical Journal, vol. 161, no. 4, 2021. doi:10.3847/1538-3881/abdb28. Mendez, R. A. and Costa, E., "A speckle survey of binary stars in the southern sky", Boletin de la Asociacion Argentina de Astronomia La Plata Argentina, vol. 61C, pp. 60-60, 2020. Villegas, C. L., Mendez, R. A., Orchard, M. E., and Silva, J. F., "Bayes-based estimation of orbital parameters in hierarchical triple stellar systems", Boletin de la Asociacion Argentina de Astronomia La Plata Argentina, vol. 61C, pp. 102-102, 2020. Tokovinin, A., Mason, B. D., Mendez, R. A., Costa, E., and Horch, E. P., "VizieR Online Data Catalog: 2019 SOAR speckle interferometry of binary stars (Tokovinin+, 2020)", VizieR Online Data Catalog, 2020. Tokovinin, A., Mason, B. D., Mendez, R. A., Costa, E., and Horch, E. P., "Speckle Interferometry at SOAR in 2019", The Astronomical Journal, vol. 160, no. 1, 2020. doi:10.3847/1538-3881/ab91c1. Claveria, R. M., Mendez, R. A., Silva, J. F., and Orchard, M. E., "Visual Binary Stars with Partially Missing Data: Introducing Multiple Imputation in Astrometric Analysis", Publications of the Astronomical Society of the Pacific, vol. 131, no. 1002, p. 084502, 2019. doi:10.1088/1538-3873/ab22e2. Tokovinin, A., Mason, B. D., Mendez, R. A., Horch, E. P., and Briceno, C., "VizieR Online Data Catalog: Speckle interferometry at SOAR in 2018 (Tokovinin+, 2019)", VizieR Online Data Catalog, 2019. Tokovinin, A., Mason, B. D., Mendez, R. A., Horch, E. P., and Briceño, C., "Speckle Interferometry at SOAR in 2018", The Astronomical Journal, vol. 158, no. 1, 2019. doi:10.3847/1538-3881/ab24e4. Docobo, J. A., Gomez, J., Campo, P. P., Andrade, M., Horch, E. P., Costa, E., Mendez, R. A., "Orbits of 14 binaries based on 2018 SOAR speckle observations", Monthly Notices of the Royal Astronomical Society, vol. 482, no. 3, pp. 4096-4110, 2019. doi:10.1093/mnras/sty2704. Tokovinin, A., Mason, B. D., Hartkopf, W. I., Mendez, R. A., and Horch, E. P., "VizieR Online Data Catalog: Speckle interferometry at SOAR in 2016 and 2017 (Tokovinin+, 2018)", VizieR Online Data Catalog, 2018. Tokovinin, A., Mason, B. D., Hartkopf, W. I., Mendez, R. A., and Horch, E. P., "Speckle Interferometry at SOAR in 2016 and 2017", The Astronomical Journal, vol. 155, no. 6, 2018. doi:10.3847/1538-3881/aabf8d. Tokovinin, A., Mason, B. D., Hartkopf, W. I., Mendez, R. A., and Horch, E. P., "VizieR Online Data Catalog: Speckle interferometry at SOAR in 2015 (Tokovinin+, 2016)", VizieR Online Data Catalog, 2018. Mendez, R. A., Tokovinin, A., and Horch, E., "A Speckle survey of Southern Hipparcos Visual Doubles and Geneva-Copenhagen Spectroscopic Binaries", in Revista Mexicana de Astronomia y Astrofisica Conference Series, 2018, vol. 50, pp. 56-57. Mendez, R. A., Claveria, R. M., Orchard, M. E., and Silva, J. F., "Orbits for 18 Visual Binaries and Two Double-line Spectroscopic Binaries Observed with HRCAM on the CTIO SOAR 4 m Telescope, Using a New Bayesian Orbit Code Based on Markov Chain Monte Carlo", The Astronomical Journal, vol. 154, no. 5, 2017. doi:10.3847/1538-3881/aa8d6f. Mendez, R. A., Tokovinin, A., and Horch, E., "A Speckle survey of Southern Hipparcos Visual Doubles and Geneva-Copenhagen Spectroscopic Binaries", in Revista Mexicana de Astronomia y Astrofisica Conference Series, 2017, vol. 49, pp. 164-164. Gomez, J., Docobo, J. A., Campo, P. P., and Mendez, R. A., "Orbits of 12 Southern Binaries Based on Soar Speckle Observations", The Astronomical Journal, vol. 152, no. 6, 2016. doi:10.3847/0004-6256/152/6/216. Tokovinin, A., Mason, B. D., Hartkopf, W. I., Mendez, R. A., and Horch, E. P., "Speckle Interferometry at SOAR in 2015", The Astronomical Journal, vol. 151, no. 6, 2016. doi:10.3847/0004-6256/151/6/153. Tokovinin, A., Mason, B. D., Hartkopf, W. I., Mendez, R. A., and Horch, E. P., "Speckle Interferometry at SOAR in 2014", The Astronomical Journal, vol. 150, no. 2, 2015. doi:10.1088/0004-6256/150/2/50.