Search Results - "Da Silva Neto, D. N."

A Pluto-like radius and a high albedo for the dwarf planet Eris from an occultation by Sicardy, B., Ortiz, J. L., Assafin, M., Jehin, E., Maury, A., Lellouch, E., Hutton, R. Gil, Braga-Ribas, F., Colas, F., Hestroffer, D., Lecacheux, J., Roques, F., Santos-Sanz, P., Widemann, T., Morales, N., Duffard, R., Thirouin, A., Castro-Tirado, A. J., Jelínek, M., Kubánek, P., Sota, A., Sánchez-Ramírez, R., Andrei, A. H., Camargo, J. I. B., da Silva Neto, D. N., Gomes, A. Ramos, Martins, R. Vieira, Gillon, M., Manfroid, J., Tozzi, G. P., Harlingten, C., Saravia, S., Behrend, R., Mottola, S., Melendo, E. García, Peris, V., Fabregat, J., Madiedo, J. M., Cuesta, L., Eibe, M. T., Ullán, A., Organero, F., Pastor, S., de los Reyes, J. A., Pedraz, S., Castro, A., de la Cueva, I., Muler, G., Steele, I. A., Cebrián, M., Montañés-Rodríguez, P., Oscoz, A., Weaver, D., Jacques, C., Corradi, W. J. B., Santos, F. P., Reis, W., Milone, A., Emilio, M., Gutiérrez, L., Vázquez, R., Hernández-Toledo, H.

“…Pluto's twin is out in the cold Four trans-Neptunian objects are currently recognized as dwarf planets: Eris, Haumea, Makemake and Pluto. Of these, the…”
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Parallaxes of Southern Extremely Cool objects III: 118 L and T dwarfs by Smart, R L, Bucciarelli, B, Jones, H R A, Marocco, F, Andrei, A H, Goldman, B, Mendez, R A, d’Avila, V A, Burningham, B, Camargo, J I B, Crosta, M T, Daprà, M, Jenkins, J S, Lachaume, R, Lattanzi, M G, Penna, J L, Pinfield, D J, da Silva Neto, D N, Sozzetti, A, Vecchiato, A

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Albedo and atmospheric constraints of dwarf planet Makemake from a stellar occultation by Ortiz, J. L., Sicardy, B., Braga-Ribas, F., Alvarez-Candal, A., Lellouch, E., Duffard, R., Pinilla-Alonso, N., Ivanov, V. D., Littlefair, S. P., Camargo, J. I. B., Assafin, M., Unda-Sanzana, E., Jehin, E., Morales, N., Tancredi, G., Gil-Hutton, R., de la Cueva, I., Colque, J. P., Da Silva Neto, D. N., Manfroid, J., Thirouin, A., Gutiérrez, P. J., Lecacheux, J., Gillon, M., Maury, A., Colas, F., Licandro, J., Mueller, T., Jacques, C., Weaver, D., Milone, A., Salvo, R., Bruzzone, S., Organero, F., Behrend, R., Roland, S., Vieira-Martins, R., Widemann, T., Roques, F., Santos-Sanz, P., Hestroffer, D., Dhillon, V. S., Marsh, T. R., Harlingten, C., Bagatin, A. Campo, Alonso, M. L., Ortiz, M., Colazo, C., Lima, H. J. F., Oliveira, A. S., Kerber, L. O., Smiljanic, R., Pimentel, E., Giacchini, B., Cacella, P., Emilio, M.

“…The icy dwarf planet Makemake has projected axes of 1,430 ± 9 and 1,502 ± 45 km and a V-band geometric albedo larger than Pluto’s but smaller than Eris’s, with…”
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Rio survey of optical astrometric positions for 300 ICRF2 sources and the current optical/radio frame link status before Gaia by Assafin, M., Vieira-Martins, R., Andrei, A. H., Camargo, J. I. B., da Silva Neto, D. N.

“…We obtained improved optical positions for 300 ICRF2 sources - the Rio survey. We compared the Rio survey with 10 other selected optical astrometric surveys…”
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Analysis of 25 mutual eclipses and occultations between the Galilean satellites observed from Brazil in 2009 by Dias-Oliveira, A., Vieira-Martins, R., Assafin, M., Camargo, J. I. B., Braga-Ribas, F., da Silva Neto, D. N., Gaspar, H. S., Pires dos Santos, P. M., Domingos, R. C., Boldrin, L. A. G., Izidoro, A., Carvalho, J. P. S., Sfair, R., Sampaio, J. C., Winter, O. C.

“…The light curves of mutual eclipses and occultations between the natural satellites of a planet allow us to obtain high-precision position and relative motion…”
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Charon's size and an upper limit on its atmosphere from a stellar occultation by Behrend, R, Lecampion, J.-F, Feinstein, C, Gaillard, B, Lacour, S, Frappa, E, Alvarez-Candal, A, Pimentel, E, Veiga, C, Hummel, E, Doncel, F, Jacques, C, Lavayssière, M, Pau, S, Roques, F, Bellucci, A, Mousis, O, Marco, O, Carrier, F, Gendron, E, Mallia, F, Levato, H, Tancredi, G, Hainaut, O, Masi, G, Lecacheux, J, Vachier, F, Assafin, M, Lellouch, E, Martins, R. Vieira, Lazzaro, D, da Silva Neto, D. N, Ageorges, N, Di Sora, M, Weaver, D, Momiyama, T, Widemann, T, Lacombe, F, Colas, F, Renner, S, Rousselot, P, Sicardy, B, Maury, A, Beisker, W, Andrei, A. H

“…Pluto and its satellite, Charon (discovered in 1978; ref. 1), appear to form a double planet, rather than a hierarchical planet/satellite couple. Charon is…”
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Investigation of USNO-A2.0 Catalog Positions by Assafin, M, Andrei, A. H, Martins, R. Vieira, da Silva Neto, D. N, Camargo, J. I. B, Teixeira, R, Benevides-Soares, P

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Instrumental and digital coronagraphy for the observation of the Uranus satellites’ upcoming mutual events by Assafin, M., Campos, R.P., Vieira Martins, R., da Silva Neto, D.N., Camargo, J.I.B., Andrei, A.H.

“…Ground-based observations of faint satellites nearby their planets with 1–2 m class telescopes usually do not allow for high quality astrometry and photometry,…”
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Parallaxes of southern extremely cool objects III: 118 L \& T dwarfs by Smart, R. L, Bucciarelli, B, Jones, H. R. A, Marocco, F, Andrei, A. H, Goldman, B, Mendez, R. A, d'Avila, V. A, Burningham, B, Camargo, J. I. B, Crosta, M. T, Daprà, M, Jenkins, J. S, Lachaume, R, Lattanzi, M. G, Penna, J. L, Pinfield, D. J, Neto, D. N. da Silva, Sozzetti, A, Vecchiato, A

“…2018MNRAS.481.3548S We present new results from the Parallaxes of Southern Extremely Cool dwarfs program to measure parallaxes, proper motions and multi-epoch…”
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Astrometry of the main satellites of Uranus: 18 years of observations by Camargo, J. I. B, Magalhães, F. P, Vieira-Martins, R, Assafin, M, Braga-Ribas, F, Dias-Oliveira, A, Benedetti-Rossi, G, Gomes-Júnior, A. R, Andrei, A. H, Neto, D. N. da Silva

“…A&A 582, A8 (2015) We determine accurate positions of the main satellites of Uranus: Miranda, Ariel, Umbriel, Titania, and Oberon. Positions of Uranus, as…”
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Astrometric positions for 18 irregular satellites of giant planets from 23 years of observations by Gomes-Júnior, A. R, Assafin, M, Vieira-Martins, R, Arlot, J. -E, Camargo, J. I. B, Braga-Ribas, F, Neto, D. N. da Silva, Andrei, A. H, Dias-Oliveira, A, Morgado, B. E, Benedetti-Rossi, G, Duchemin, Y, Desmars, J, Lainey, V, Thuillot, W

“…A&A 580, A76 (2015) The irregular satellites of the giant planets are believed to have been captured during the evolution of the solar system. Knowing their…”
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Candidate stellar occultations by large trans-neptunian objects up to 2015 by Assafin, M, Camargo, J. I. B, Martins, R. Vieira, Braga-Ribas, F, Sicardy, B, Andrei, A. H, Neto, D. N. da Silva

“…We study large trans-neptunian objects (TNOs) using stellar occultations. We derive precise astrometric predictions for stellar occultations by Eris, Haumea,…”
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On the influence of radio extended structures on offsets between the optical and VLBI positions of sources in the ICRF2 by Camargo, J. I. B, Andrei, A. H, Assafin, M, Vieira-Martins, R, Neto, D. N. da Silva

“…Context: To investigate the differences between positions, as determined by optical (direct imaging) and Very Long Baseline Interferometry (VLBI) techniques,…”
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The Large Quasar Reference Frame (LQRF) - an optical representation of the ICRS by Andrei, A. H, Souchay, J, Zacharias, N, Smart, R. L, Martins, R. Vieira, Neto, D. N. da Silva, Camargo, J. I. B, Assafin, M, Barache, C, Bouquillon, S, Penna, J. L, Taris, F

“…The large number and all-sky distribution of quasars from different surveys, along with their presence in large, deep astrometric catalogs,enables the building…”
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