A large topographic feature on the surface of the trans-Neptunian object (307261) 2002 MS$_4$ measured from stellar occultations

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

Milliarcsecond astrometry for the Galilean moons using stellar occultations

Autor: Morgado, B. E., Gomes-Júnior, A. R., Braga-Ribas, F., Vieira-Martins, R., Desmars, J., Lainey, V., D'aversa, E., Dunham, D., Moore, J., Baillié, K., Herald, D., Assafin, M., Sicardy, B., Aoki, S., Bardecker, J., Barton, J., Blank, T., Bruns, D., Carlson, N., Carlson, R. W., Cobble, K., Dunham, J., Eisfeldt, D., Emilio, M., Jacques, C., Hinse, T. C., Kim, Y., Malacarne, M., Maley, P. D., Maury, A., Meza, E., Oliva, F., Orton, G. S., Pereira, C. L., Person, M., Plainaki, C., Sfair, R., Sindoni, G., Smith, M., Sussenbach, E., Stuart, P., Vrolijk, J., Winter, O. C.

Publikováno v: The Astronomical Journal, Volume 163, Number 5, 2022

A stellar occultation occurs when a Solar System object passes in front of a star for an observer. This technique allows the determination of sizes and shapes of the occulting body with kilometer precision. Also, this technique constrains the occulti

Externí odkaz: http://arxiv.org/abs/2203.11711

Refined physical parameters for Chariklo's body and rings from stellar occultations observed between 2013 and 2020

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

Stellar occultations enable milliarcsecond astrometry for Trans-Neptunian objects and Centaurs

Autor: Rommel, F. L., Braga-Ribas, F., Desmars, J., Camargo, J. I. B., Ortiz, J. L., Sicardy, B., Vieira-Martins, R., Assafin, M., Santos-Sanz, P., Duffard, R., Fernández-Valenzuela, E., Lecacheux, J., Morgado, B. E., Benedetti-Rossi, G., Gomes-Júnior, A. R., Pereira, C. L., Herald, D., Hanna, W., Bradshaw, J., Morales, N., Brimacombe, J., Burtovoi, A., Carruthers, T., de Barros, J. R., Fiori, M., Gilmore, A., Hooper, D., Hornoch, K., Jacques, C., Janik, T., Kerr, S., Kilmartin, P., Winkel, Jan Maarten, Naletto, G., Nardiello, D., Nascimbeni, V., Newman, J., Ossola, A., Pál, A., Pimentel, E., Pravec, P., Sposetti, S., Stechina, A., Szákats, R., Ueno, Y., Zampieri, L., Broughton, J., Dunham, J. B., Dunham, D. W., Gault, D., Hayamizu, T., Hosoi, K., Jehin, E., Jones, R., Kitazaki, K., Komžík, R., Marciniak, A., Maury, A., Mikuž, H., Nosworthy, P., Polleri, J. Fábrega, Rahvar, S., Sfair, R., Siqueira, P. B., Snodgrass, C., Sogorb, P., Tomioka, H., Tregloan-Reed, J., Winter, O. C.

Publikováno v: A&A 644, A40 (2020)

Trans-Neptunian objects (TNOs) and Centaurs are remnants of our planetary system formation, and their physical properties have invaluable information for evolutionary theories. Stellar occultation is a ground-based method for studying these small bod

Externí odkaz: http://arxiv.org/abs/2010.12708

Dynamical Environment and Surface Characteristics of Asteroid (16) Psyche

Autor: Moura, T. S., Winter, O. C., Amarante, A., Sfair, R., Borderes-Motta, G., Valvano, G.

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