Zobrazeno 1 - 10
of 509
pro vyhledávání: '"Moura, T"'
Autor:
Moura, T. A., Júnior, M. L. Lana, da Silva, C. H. V., Américo, L. R., Mendes, J. B. S., Brandão, M. C. N. P., Subtil, A. G. S., Rocha, M. S.
We present a novel approach to determine the optical properties of materials in the nanoscale range using optical tweezers (OT). Fluorescent polymer-based nanostructures (pdots) are optically trapped in a Gaussian beam OT and the trap stiffness is st
Externí odkaz:
http://arxiv.org/abs/2310.04555
Autor:
Oliveira, R. Machado, Winter, O. C., Sfair, R., Valvano, G., Moura, T. S., Borderes-Motta, G.
Didymos and Dimorphos are primary and secondary, respectively, asteroids who compose a binary system that make up the set of Near Earth Asteroids (NEAs). They are targets of the Double Asteroid Redirection Test (DART), the first test mission dedicate
Externí odkaz:
http://arxiv.org/abs/2307.06254
Autor:
Razera, R., Barbuy, B., Moura, T. C., Ernandes, H., Pérez-Villegas, A., Souza, S. O., Chiappini, C., Queiroz, A. B. A., Anders, F., Fernández-Trincado, J. G., Friaça, A. C. S., Cunha, K., Smith, V. V., Santiago, B. X., Schiavon, R. P., Valentini, M., Minniti, D., Schultheis, M., Geisler, D., Sobeck, J., Placco, V. M, Zoccali, M.
The central part of the Galaxy host a multitude of stellar populations, including the spheroidal bulge stars, stars moved to the bulge through secular evolution of the bar, inner halo, inner thick disk, inner thin disk, as well as debris from past ac
Externí odkaz:
http://arxiv.org/abs/2208.06634
Autor:
Morgado, B. E., Sicardy, B., Braga-Ribas, F., Desmars, J., Gomes-Júnior, A. R., Bérard, D., Leiva, R., Ortiz, J. L., Vieira-Martins, R., Benedetti-Rossi, G., Santos-Sanz, P., Camargo, J. I. B., Duffard, R., Rommel, F. L., Assafin, M., Boufleur, R. C., Colas, F., Kretlow, M., Beisker, W., Sfair, R., Snodgrass, C., Morales, N., Fernández-Valenzuela, E., Amaral, L. S., Amarante, A., Artola, R. A., Backes, M., Bath, K-L., Bouley, S., Buie, M. W., Cacella, P., Colazo, C. A., Colque, J. P., Dauvergne, J-L., Dominik, M., Emilio, M., Erickson, C., Evans, R., Fabrega-Polleri, J., Garcia-Lambas, D., Giacchini, B. L., Hanna, W., Herald, D., Hesler, G., Hinse, T. C., Jacques, C., Jehin, E., Jørgensen, U. G., Kerr, S., Kouprianov, V., Levine, S. E., Linder, T., Maley, P. D., Machado, D. I., Maquet, L., Maury, A., Melia, R., Meza, E., Mondon, B., Moura, T., Newman, J., Payet, T., Pereira, C. L., Pollock, J., Poltronieri, R. C., Quispe-Huaynasi, F., Reichart, D., de Santana, T., Schneiter, E. M., Sieyra, M. V., Skottfelt, J., Soulier, J. F., Starck, M., Thierry, P., Torres, P. J., Trabuco, L. L., Unda-Sanzana, E., Yamashita, T. A. R., Winter, O. C., Zapata, A., Zuluaga, C. A.
Publikováno v:
A&A 652, A141 (2021)
The Centaur (10199) Chariklo has the first rings system discovered around a small object. It was first observed using stellar occultation in 2013. Stellar occultations allow the determination of sizes and shapes with kilometre accuracy and obtain cha
Externí odkaz:
http://arxiv.org/abs/2107.07904
Autor:
Barbuy, B., Ernandes, H., Souza, S. O., Razera, R., Moura, T., Meléndez, J., Pérez-Villegas, A., Zoccali, M., Minniti, D., Dias, B., Ortolani, S., Bica, E.
The globular cluster AL~3 is old and located in the inner bulge. Three individual stars were observed with the Phoenix spectrograph at the Gemini South telescope. The wavelength region contains prominent lines of CN, OH, and CO, allowing the derivati
Externí odkaz:
http://arxiv.org/abs/2102.12674
The (153591) 2001 SN263 asteroid system, target of the first Brazilian interplanetary space mission, is one of the known three triple systems within the population of NEAs. One of the mission objectives is to collect data about the formation of this
Externí odkaz:
http://arxiv.org/abs/2003.11411
Radar observations show that (16) Psyche is one of the largest and most massive asteroids of the M-class located in the main belt, with a diameter of approximately 230 km. This fact makes Psyche a unique object since observations indicated an iron-ni
Externí odkaz:
http://arxiv.org/abs/2003.10310
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This paper is the third of a series in which we investigate the discrimination between Gaussian (G) and Non-Gaussian (NG) clusters, based on the velocity distribution of the member galaxies. We study a sample of 177 groups from the Yang catalog in th
Externí odkaz:
http://arxiv.org/abs/1906.00060
Autor:
Campos, W. H., Moura, T. A., Marques, O. J. B. J., Fonseca, J. M., Moura-Melo, W. A., Rocha, M. S., Mendes, J. B. S.
Publikováno v:
Phys. Rev. Research 1, 033119 (2019)
Oscillatory dynamics is a key tool in optical tweezers applications. It is usually implemented by mechanical interventions that cannot be optically controlled. In this work we show that Germanium semiconductor beads behave as optically induced oscill
Externí odkaz:
http://arxiv.org/abs/1903.12252