The size, shape, density and ring of the dwarf planet Haumea from a stellar occultation

Autor: Ortiz, J. L., Santos-Sanz, P., Sicardy, B., Benedetti-Rossi, G., Bérard, D., Morales, N., Duffard, R., Braga-Ribas, F., Hopp, U., Ries, C., Nascimbeni, V., Marzari, F., Granata, V., Pál, A., Kiss, C., Pribulla, T., Komžík, R., Hornoch, K., Pravec, P., Bacci, P., Maestripieri, M., Nerli, L., Mazzei, L., Bachini, M., Martinelli, F., Succi, G., Ciabattari, F., Mikuz, H., Carbognani, A., Gaehrken, B., Mottola, S., Hellmic, S., Rommel, F. L., Fernández-Valenzuela, E., Bagatin, A. Campo, Cikota, S., Cikota, A., Lecacheux, J., Vieira-Martins, R., Camargo, J. I. B., Assafin, M., Colas, F., Behrend, R., Desmars, J., Meza, E., Alvarez-Candal, A., Beisker, W., Gomes-Junior, A. R., Morgado, B. E., Roques, F., Vachier, F., Berthier, J., Mueller, T. G., Madiedo, J. M., Unsalan, O., Sonbas, E., Karaman, N., Erece, O., Koseoglu, D. T., Ozisik, T., Kalkan, S., Guney, Y., Niaei, M. S., Satir, O., Yesilyaprak, C., Puskullu, C., Kabas, A., Demircan, O., Alikakos, J., Charmandaris, V., Leto, G., Ohlert, J., Christille, J. M., Szakáts, R., Farkas, A. Takácsné, Varga-Verebélyi, E., Marton, G., Marciniak, A., Bartczak, P., Santana-Ros, T., Butkiewicz-Bąk, M., Dudziński, G., Alí-Lagoa, V., Gazeas, K., Tzouganatos, L., Paschalis, N., Tsamis, V., Sánchez-Lavega, A., Pérez-Hoyos, S., Hueso, R., Guirado, J. C., Peris, V., Iglesias-Marzoa, R.

Publikováno v: Nature, Volume 550, Issue 7675, pp. 219-223 (2017)

Among the four known transneptunian dwarf planets, Haumea is an exotic, very elongated, and fast rotating body. In contrast to the other dwarf planets, its size, shape, albedo, and density are not well constrained. Here we report results of a multi-c

Externí odkaz: http://arxiv.org/abs/2006.03113

The large Trans-Neptunian Object 2002 TC$_{302}$ from combined stellar occultation, photometry and astrometry data

Autor: Ortiz, J. L., Santos-Sanz, P., Sicardy, B., Benedetti-Rossi, G., Duffard, R., Morales, N., Braga-Ribas, F., Fernández-Valenzuela, E., Nascimbeni, V., Nardiello, D., Carbognani, A., Buzzi, L., Aletti, A., Bacci, P., Maestripieri, M., Mazzei, L., Mikuz, H., Skvarc, J., Ciabattari, F., Lavalade, F., Scarfi, G., Mari, J. M., Conjat, M., Sposetti, S., Bachini, M., Succi, G., Mancini, F., Alighieri, M., Canto, E. Dal, Masucci, M., Vara-Lubiano, M., Gutiérrez, P. J., Desmars, J., Lecacheux, J., Vieira-Martins, R., Camargo, J. I. B., Assafin, M., Colas, F., Beisker, W., Behrend, R., Mueller, T. G., Meza, E., Gomes-Junior, A. R., Roques, F., Vachier, F., Mottola, S., Hellmich, S., Bagatin, A. Campo, Alvarez-Candal, A., Cikota, S., Cikota, A., Christille, J. M., Pál, A., Kiss, C., Pribulla, T., Komžík, R., Madiedo, J. M., Charmandaris, V., Alikakos, J., Szakáts, R., Farkas-Takács, A., Varga-Verebélyi, E., Marton, G., Marciniak, A., Bartczak, P., Butkiewicz-Bak, M., Dudziński, G., Alí-Lagoa, V., Gazeas, K., Paschalis, N., Tsamis, V., Guirado, J. C., Peris, V., Iglesias-Marzoa, R., Schnabel, C., Manzano, F., Navarro, A., Perelló, C., Vecchione, A., Noschese, A., Morrone, L.

Publikováno v: A&A 639, A134 (2020)

On 28th January 2018, the large Trans-Neptunian Object (TNO) 2002TC302 occulted a m$_v= $15.3 star with ID 130957813463146112 in the Gaia DR2 stellar catalog. 12 positive occultation chords were obtained from Italy, France, Slovenia and Switzerland.

Externí odkaz: http://arxiv.org/abs/2005.08881

Identification of Young Stellar Object candidates in the $Gaia$ DR2 x AllWISE catalogue with machine learning methods

Autor: Marton, G., Ábrahám, P., Szegedi-Elek, E., Varga, J., Kun, M., Kóspál, Á., Varga-Verebélyi, E., Hodgkin, S., Szabados, L., Beck, R., Kiss, Cs.

The second $Gaia$ Data Release (DR2) contains astrometric and photometric data for more than 1.6 billion objects with mean $Gaia$ $G$ magnitude $<$20.7, including many Young Stellar Objects (YSOs) in different evolutionary stages. In order to explore

Externí odkaz: http://arxiv.org/abs/1905.03063

SN 2016coi/ASASSN-16fp: An example of residual helium in a type Ic supernova?

Autor: Prentice, S. J., Ashall, C., Mazzali, P. A., Zhang, J. -J., James, P. A., Wang, X. -F., Vinko, J., Percival, S., Short, L., Piascik, A., Huang, F., Mo, J., Rui, L. -M., Wang, J. -G., Xiang, D. -F., Xin, Y. -X., Yi, W. -M., Yu, X. -G., Zhai, Q., Zhang, T. -M., Hosseinzadeh, G., Howell, D. A., McCully, C., Valenti, S., Cseh, B., Hanyecz, O., Kriskovics, L., Pal, A., Sarneczky, K., Sodor, A., Szakats, R., Szekely, P., Varga-Verebelyi, E., Vida, K., Bradac, M., Reichart, D. E., Sand, D., Tartaglia, L.

The optical observations of Ic-4 supernova (SN) 2016coi/ASASSN-16fp, from $\sim 2$ to $\sim450$ days after explosion, are presented along with analysis of its physical properties. The SN shows the broad lines associated with SNe Ic-3/4 but with a key

Externí odkaz: http://arxiv.org/abs/1709.03593

Small Bodies Near and Far (SBNAF): A benchmark study on physical and thermal properties of small bodies in the Solar System

Autor: Müller, T.G., Marciniak, A., Kiss, Cs., Duffard, R., Alí-Lagoa, V., Bartczak, P., Butkiewicz-Bąk, M., Dudziński, G., Fernández-Valenzuela, E., Marton, G., Morales, N., Ortiz, J.-L., Oszkiewicz, D., Santana-Ros, T., Szakáts, R., Santos-Sanz, P., Takácsné Farkas, A., Varga-Verebélyi, E.

Publikováno v: In Advances in Space Research 15 October 2018 62(8):2326-2341