Zobrazeno 1 - 10
of 78
pro vyhledávání: '"Morgado, B E"'
Autor:
Sicardy, B., Tej, A., Gomes-Junior, A. R., Romanov, F. D., Bertrand, T., Ashok, N. M., Lellouch, E., Morgado, B. E., Assafin, M., Desmars, J., Camargo, J. I. B., Kilic, Y., Ortiz, J. L., Vieira-Martins, R., Braga-Ribas, F., Ninan, J. P., Bhatt, B. C., Kumar, S. Pramod, Swain, V., Sharma, S., Saha, A., Ojha, D. K., Pawar, G., Deshmukh, S., Deshpande, A., Ganesh, S., Jain, J. K., Mathew, S. K., Kumar, H., Bhalerao, V., Anupama, G. C., Barway, S., Brandeker, A., Floren, H. G., Olofsson, G., Bruno, G., Mao, Y. M., Ye, R. H., Zou, Q. Y., Sun, Y. K., Shen, Y. Y., Zhao, J. Y., Grishin, D. N., Romanova, L. V., Marchis, F., Fukui, K., Kukita, R., Benedetti-Rossi, G., Santos-Sanz, P., Dhyani, N., Gokhale, A., Kate, A.
Context - Around the year 2000, Triton's south pole experienced an extreme summer solstice that occurs every about 650 years, when the subsolar latitude reached about 50{\deg}. Bracketing this epoch, a few occultations probed Triton's atmosphere in 1
Externí odkaz:
http://arxiv.org/abs/2402.02476
Autor:
Pereira, C. L., Braga-Ribas, F., Sicardy, B., Gomes-Júnior, A. R., Ortiz, J. L., Branco, H. C., Camargo, J. I. B., Morgado, B. E., Vieira-Martins, R., Assafin, M., Benedetti-Rossi, G., Desmars, J., Emilio, M., Morales, R., Rommel, F. L., Hayamizu, T., Gondou, T., Jehin, E., Artola, R. A., Asai, A., Colazo, C., Ducrot, E., Duffard, R., Fabrega, J., Fernandez-Valenzuela, E., Gillon, M., Horaguchi, T., Ida, M., Kitazaki, K., Mammana, L. A., Maury, A., Melita, M., Morales, N., Moya-Sierralta, C., Owada, M., Pollock, J., Sanchez, J. L., Santos-Sanz, P., Sasanuma, N., Sebastian, D., Triaud, A., Uchiyama, S., Vanzi, L., Watanabe, H., Yamamura, H.
The Centaur (60558) Echeclus was discovered on March 03, 2000, orbiting between the orbits of Jupiter and Uranus. After exhibiting frequent outbursts, it also received a comet designation, 174P. If the ejected material can be a source of debris to fo
Externí odkaz:
http://arxiv.org/abs/2310.18084
Autor:
Assafin, M., Santos-Filho, S., Morgado, B. E., Gomes-Júnior, A. R., Sicardy, B., Margoti, G., Benedetti-Rossi, G., Braga-Ribas, F., Laidler, T., Camargo, J. I. B., Vieira-Martins, R., Swift, T., Dunham, D., George, T., Bardecker, J., Anderson, C., Nolthenius, R., Bender, K., Viscome, G., Oesper, D., Dunford, R., Getrost, K., Kitting, C., Green, K., Bria, R., Olsen, A., Scheck, A., Billard, B., Wasiuta, M. E., Tatum, R., Maley, P., di Cicco, D., Gamble, D., Ceravolo, P., Ceravolo, D., Hanna, W., Smith, N., Carlson, N., Messner, S., Bean, J., Moore, J., Venable, R.
We report the results of the stellar occultation by (UII) Umbriel on September 21st, 2020. The shadow crossed the USA and Canada, and 19 positive chords were obtained. A limb parameter accounted for putative topographic features in the limb fittings.
Externí odkaz:
http://arxiv.org/abs/2310.11196
The 2021 mutual phenomena involving the Galilean satellites of Jupiter and the inner satellite Thebe
Autor:
Catani, L. M., Assafin, M., Morgado, B. E., Santos-Filho, S., Braga-Ribas, F., Vieira-Martins, R., Arcas-Silva, J., Milone, A. C., Lima, I. J., Botelho, R. B.
Astrometric studies and orbital modeling of planetary moons have contributed significantly to advancing our understanding of their orbital dynamics. These studies require precise positions measured over extended periods. In this paper, we present the
Externí odkaz:
http://arxiv.org/abs/2310.00807
Autor:
Rommel, F. L., Braga-Ribas, F., Ortiz, J. L., Sicardy, B., Santos-Sanz, P., Desmars, J., Camargo, J. I. B., Vieira-Martins, R., Assafin, M., Morgado, B. E., Boufleur, R. C., Benedetti-Rossi, G., Gomes-Júnior, A. R., Fernández-Valenzuela, E., Holler, B. J., Souami, D., Duffard, R., Margoti, G., Vara-Lubiano, M., Lecacheux, J., Plouvier, J. L., Morales, N., Maury, A., Fabrega, J., Ceravolo, P., Jehin, E., Albanese, D., Mariey, H., Cikota, S., Ruždjak, D., Cikota, A., Szakáts, R., Aissa, D. Baba, Gringahcene, Z., Kashuba, V., Koshkin, N., Zhukov, V., Fişek, S., Çakır, O., Özer, S., Schnabel, C., Schnabel, M., Signoret, F., Morrone, L., Santana-Ros, T., Pereira, C. L., Emilio, M., Burdanov, A. Y., de Wit, J., Barkaoui, K., Gillon, M., Leto, G., Frasca, A., Catanzaro, G., Sanchez, R. Zanmar, Tagliaferri, U., Di Sora, M., Isopi, G., Krugly, Y., Slyusarev, I., Chiorny, V., Mikuž, H., Bacci, P., Maestripieri, M., Grazia, M. D., de la Cueva, I., Yuste-Moreno, M., Ciabattari, F., Kozhukhov, O. M., Serra-Ricart, M., Alarcon, M. R., Licandro, J., Masi, G., Bacci, R., Bosch, J. M., Behem, R., Prost, J. -P., Renner, S., Conjat, M., Bachini, M., Succi, G., Stoian, L., Juravle, A., Carosati, D., Gowe, B., Carrillo, J., Zheleznyak, A. P., Montigiani, N., Foster, C. R., Mannucci, M., Ruocco, N., Cuevas, F., Di Marcantonio, P., Coretti, I., Iafrate, G., Baldini, V., Collins, M., Pál, A., Csák, B., Fernández-Garcia, E., Castro-Tirado, A. J., Hudin, L., Madiedo, J. M., Anghel, R. M., Calvo-Fernández, J. F., Valvasori, A., Guido, E., Gherase, R. M., Kamoun, S., Fafet, R., Sánchez-González, M., Curelaru, L., Vîntdevară, C. D., Danescu, C. A., Gout, J. -F., Schmitz, C. J., Sota, A., Belskaya, I., Rodríguez-Marco, M., Kilic, Y., Frappa, E., Klotz, A., Lavayssière, M., Oliveira, J. Marques, Popescu, M., Mammana, L. A., Fernández-Lajús, E., Schmidt, M., Hopp, U., Komžík, R., Pribulla, T., Tomko, D., Husárik, M., Erece, O., Eryilmaz, S., Buzzi, L., Gährken, B., Nardiello, D., Hornoch, K., Sonbas, E., Er, H., Burwitz, V., Sybilski, P. Waldemar, Bykowski, W., Müller, T. G., Ogloza, W., Gonçalves, R., Ferreira, J. F., Ferreira, M., Bento, M., Meister, S., Bagiran, M. N., Tekeş, M., Marciniak, A., Moravec, Z., Delinčák, P., Gianni, G., Casalnuovo, G. B., Boutet, M., Sanchez, J., Klemt, B., Wuensche, N., Burzynski, W., Borkowski, M., Serrau, M., Dangl, G., Klös, O., Weber, C., Urbaník, M., Rousselot, L., Kubánek, J., André, P., Colazo, C., Spagnotto, J., Sickafoose, A. A., Hueso, R., Sánchez-Lavega, A., Fisher, R. S., Rengstorf, A. W., Perelló, C., Dascalu, M., Altan, M., Gazeas, K., de Santana, T., Sfair, R., Winter, O. C., Kalkan, S., Canales-Moreno, O., Trigo-Rodríguez, J. M., Tsamis, V., Tigani, K., Sioulas, N., Lekkas, G., Bertesteanu, D. N., Dumitrescu, V., Wilberger, A. J., Barnes, J. W., Fieber-Beyer, S. K., Swaney, R. L., Fuentes, C., Mendez, R. A., Dumitru, B. D., Flynn, R. L., Wake, D. A.
Publikováno v:
A&A 678, A167 (2023)
This work aims at constraining the size, shape, and geometric albedo of the dwarf planet candidate 2002 MS4 through the analysis of nine stellar occultation events. Using multichord detection, we also studied the object's topography by analyzing the
Externí odkaz:
http://arxiv.org/abs/2308.08062
Autor:
Ortiz, J. L., Pereira, C. L., Sicardy, B., Braga-Ribas, F., Takey, A., Fouad, A. M., Shaker, A. A., Kaspi, S., Brosch, N., Kretlow, M., Leiva, R., Desmars, J., Morgado, B. E., Morales, N., Vara-Lubiano, M., Santos-Sanz, P., Fernández-Valenzuela, E., Souami, D., Duffard, R., Rommel, F. L., Kilic, Y., Erece, O., Koseoglu, D., Ege, E., Morales, R., Alvarez-Candal, A., Rizos, J. L., Gómez-Limón, J. M., Assafin, M., Vieira-Martins, R., Gomes-Júnior, A. R., Camargo, J. I. B., Lecacheux, J.
Publikováno v:
A&A 676, L12 (2023)
We could accurately predict the shadow path and successfully observe an occultation of a bright star by Chiron on 2022 December 15. The Kottamia Astronomical Observatory in Egypt did not detect the occultation by the solid body, but we detected three
Externí odkaz:
http://arxiv.org/abs/2308.03458
Autor:
Pereira, C. L., Sicardy, B., Morgado, B. E., Braga-Ribas, F., Fernández-Valenzuela, E., Souami, D., Holler, B. J., Boufleur, R. C., Margoti, G., Assafin, M., Ortiz, J. L., Santos-Sanz, P., Epinat, B., Kervella, P., Desmars, J., Vieira-Martins, R., Kilic, Y., Gomes-Júnior, A. R., Camargo, J. I. B., Emilio, M., Vara-Lubiano, M., Kretlow, M., Albert, L., Alcock, C., Ball, J. G., Bender, K., Buie, M. W., Butterfield, K., Camarca, M., Castro-Chacón, J. H., Dunford, R., Fisher, R. S., Gamble, D., Geary, J. C., Gnilka, C. L., Green, K. D., Hartman, Z. D., Huang, C-K., Januszewski, H., Johnston, J., Kagitani, M., Kamin, R., Kavelaars, J. J., Keller, J. M., de Kleer, K. R., Lehner, M. J., Luken, A., Marchis, F., Marlin, T., McGregor, K., Nikitin, V., Nolthenius, R., Patrick, C., Redfield, S., Rengstorf, A. W., Reyes-Ruiz, M., Seccull, T., Skrutskie, M. F., Smith, A. B., Sproul, M., Stephens, A. W., Szentgyorgyi, A., Sánchez-Sanjuán, S., Tatsumi, E., Verbiscer, A., Wang, S-Y., Yoshida, F., Young, R., Zhang, Z-W.
Publikováno v:
A&A 673, L4 (2023)
Quaoar is a classical Trans-Neptunian Object (TNO) with an area equivalent diameter of 1,100 km and an orbital semi-major axis of 43.3 astronomical units. Based on stellar occultations observed between 2018 and 2021, an inhomogeneous ring (Q1R, Quaoa
Externí odkaz:
http://arxiv.org/abs/2304.09237
Autor:
Morgado, B. E., Bruno, G., Gomes-Júnior, A. R., Pagano, I., Sicardy, B., Fortier, A., Desmars, J., Maxted, P. F. L., Braga-Ribas, F., Queloz, D., Sousa, S. G., Ortiz, J. L., Brandeker, A., Cameron, A. Collier, Pereira, C. L., Florén, H. G., Hara, N., Souami, D., Isaak, K. G., Olofsson, G., Santos-Sanz, P., Wilson, T. G., Broughton, J., Alibert, Y., Alonso, R., Anglada, G., Bárczy, T., Barrado, D., Barros, S. C. C., Baumjohann, W., Beck, M., Beck, T., Benz, W., Billot, N., Bonfils, X., Broeg, C., Cabrera, J., Charnoz, S., Csizmadia, S., Davies, M. B., Deleuil, M., Delrez, L., Demangeon, O. D. S., Demory, B. O., Ehrenreich, D., Erikson, A., Fossati, L., Fridlund, M., Gandolfi, D., Gillon, M., Güdel, M., Heng, K., Hoyer, S., Kiss, L. L., Laskar, J., Etangs, A. Lecavelier des, Lendl, M., Lovis, C., Magrin, D., Marafatto, L., Nascimbeni, V., Ottensamer, R., Pallé, E., Peter, G., Piazza, D., Piotto, G., Pollacco, D., Ragazzoni, R., Rando, N., Ratti, F., Rauer, H., Reimers, C., Ribas, I., Santos, N. C., Scandariato, G., Ségransan, D., Simon, A. E., Smith, A. M. S., Steller, M., Szabó, G. M., Thomas, N., Udry, S., Van Grootel, V., Walton, N. A., Westerdorff, K.
Publikováno v:
A&A 664, L15 (2022)
Stellar occultation is a powerful technique that allows the determination of some physical parameters of the occulting object. The result depends on the photometric accuracy, the temporal resolution, and the number of chords obtained. Space telescope
Externí odkaz:
http://arxiv.org/abs/2208.06204
Autor:
Kilic, Y., Braga-Ribas, F., Kaplan, M., Erece, O., Souami, D., Dindar, M., Desmars, J., Sicardy, B., Morgado, B. E., Shameoni, M. N., Rommel, F. L., Gomes-Júnior, A. R.
Recording a stellar occultation is one powerful method that gives direct information about the physical properties of the occulting solar system object. In order to obtain reliable and accurate results, simultaneous observations from different locati
Externí odkaz:
http://arxiv.org/abs/2206.09615
Autor:
Santos-Sanz, P., Ortiz, J. L., Sicardy, B., Popescu, M., Benedetti-Rossi, G., Morales, N., Vara-Lubiano, M., Camargo, J. I. B., Pereira, C. L., Rommel, F. L., Assafin, M., Desmars, J., Braga-Ribas, F., Duffard, R., Oliveira, J. Marques, Vieira-Martins, R., Fernández-Valenzuela, E., Morgado, B. E., Acar, M., Anghel, S., Atalay, E., Ateş, A., Bakış, H., Bakış, V., Eker, Z., Erece, O., Kaspi, S., Kayhan, C., Kilic, S. E., Kilic, Y., Manulis, I., Nedelcu, D. A., Niaei, M. S., Nir, G., Ofek, E., Ozisik, T., Petrescu, E., Satir, O., Solmaz, A., Sonka, A., Tekes, M., Unsalan, O., Yesilyaprak, C., Anghel, R., Berteşteanu, D., Curelaru, L., Danescu, C., Dumitrescu, V., Gherase, R., Hudin, L., Stoian, A-M., Tercu, J. O., Truta, R., Turcu, V., Vantdevara, C., Belskaya, I., Dementiev, T. O., Gazeas, K., Karampotsiou, S., Kashuba, V., Kiss, Cs., Koshkin, N., Kozhukhov, O. M., Krugly, Y., Lecacheux, J., Pal, A., Püsküllü, Ç., Szakats, R., Zhukov, V., Bamberger, D., Mondon, B., Perelló, C., Pratt, A., Schnabel, C., Selva, A., Teng, J. P., Tigani, K., Tsamis, V., Weber, C., Wells, G., Kalkan, S., Kudak, V., Marciniak, A., Ogloza, W., Ozdemir, T., Pakstiene, E., Perig, V., Zejmo, M.
Publikováno v:
A&A 664, A130 (2022)
Within our international program to obtain accurate physical properties of trans-Neptunian objects (TNOs) we predicted a stellar occultation by the TNO (38628) Huya of the star Gaia DR2 4352760586390566400 (mG = 11.5 mag.) for March 18, 2019. After a
Externí odkaz:
http://arxiv.org/abs/2205.12882