Detection of iron emission lines and a temperature inversion on the dayside of the ultra-hot Jupiter KELT-20b

Autor: Yan, F., Reiners, A., Pallé, E., Shulyak, D., Stangret, M., Molaverdikhani, K., Nortmann, L., Mollière, P., Henning, Th., Casasayas-Barris, N., Cont, D., Chen, G., Czesla, S., Sánchez-López, A., López-Puertas, M., Ribas, I., Quirrenbach, A., Caballero, J. A., Amado, P. J., Galadí-Enríquez, D., Khalafinejad, S., Lara, L. M., Montes, D., Morello, G., Nagel, E., Sedaghati, E., Osorio, M. R. Zapatero, Zechmeister, M.

Publikováno v: A&A 659, A7 (2022)

Ultra-hot Jupiters (UHJs) are gas giants with very high equilibrium temperatures. In recent years, multiple chemical species, including various atoms and ions, have been discovered in their atmospheres. Most of these observations have been performed

Externí odkaz: http://arxiv.org/abs/2201.08759

A data-driven approach to constraining the atmospheric temperature structure of KELT-9b

Autor: Fossati, L., Shulyak, D., Sreejith, A. G., Koskinen, T., Young, M. E., Cubillos, P. E., Lara, L. M., France, K., Rengel, M., Cauley, P. W., Turner, J. D., Wyttenbach, A., Yan, F.

Publikováno v: A&A 643, A131 (2020)

Context. Observationally constraining the atmospheric temperature-pressure (TP) profile of exoplanets is an important step forward for improving planetary atmosphere models, further enabling one to place the detection of spectral features and the mea

Externí odkaz: http://arxiv.org/abs/2010.00997

Visible and near-infrared observations of interstellar comet 2I/Borisov with the 10.4-m GTC and the 3.6-m TNG telescopes

Autor: de León, J., Licandro, J., Marcos, C. de la Fuente, Marcos, R. de la Fuente, Lara, L. M., Moreno, F., Pinilla-Alonso, N., Serra-Ricart, M., De Prá, M., Tozzi, G. P., Souza-Feliciano, A. C., Popescu, M., Scarpa, R., Serra, J. Font, Geier, S., Lorenzi, V., Harutyunyan, A., Cabrera-Lavers, A.

In this work, we present the results of an observational study of 2I/Borisov carried out with the 10.4-m Gran Telescopio Canarias (GTC) and the 3.6-m Telescopio Nazionale Galileo (TNG), both telescopes located at the Roque de Los Muchachos Observator

Externí odkaz: http://arxiv.org/abs/2005.00786

Modelling the He I triplet absorption at 10830 Angstroms in the atmosphere of HD 209458 b

Autor: Lampón, M., López-Puertas, M., Lara, L. M., Sánchez-López, A., Salz, M., Czesla, S., Sanz-Forcada, J., Molaverdikhani, K., Alonso-Floriano, F. J., Nortmann, L., Caballero, J. A., Bauer, F. F., Pallé, E., Montes, D., Quirrenbach, A., Nagel, E., Ribas, I., Reiners, A., Amado, P. J.

Publikováno v: A&A 636, A13 (2020)

HD 209458b is an exoplanet with an upper atmosphere undergoing blow-off escape that has mainly been studied using measurements of the Ly-alpha absorption. Recently, high-resolution measurements of absorption in the He I triplet line at 10830 angstrom

Externí odkaz: http://arxiv.org/abs/2003.04872

A giant exoplanet orbiting a very low-mass star challenges planet formation models

Autor: Morales, J. C., Mustill, A. J., Ribas, I., Davies, M. B., Reiners, A., Bauer, F. F., Kossakowski, D., Herrero, E., Rodríguez, E., López-González, M. J., Rodríguez-López, C., Béjar, V. J. S., González-Cuesta, L., Luque, R., Pallé, E., Perger, M., Baroch, D., Johansen, A., Klahr, H., Mordasini, C., Anglada-Escudé, G., Caballero, J. A., Cortés-Contreras, M., Dreizler, S., Lafarga, M., Nagel, E., Passegger, V. M., Reffert, S., Rosich, A., Schweitzer, A., Tal-Or, L., Trifonov, T., Zechmeister, M., Quirrenbach, A., Amado, P. J., Guenther, E. W., Hagen, H. -J., Henning, T., Jeffers, S. V., Kaminski, A., Kürster, M., Montes, D., Seifert, W., Abellán, F. J., Abril, M., Aceituno, J., Aceituno, F. J., Alonso-Floriano, F. J., Eiff, M. Ammler-von, Antona, R., Arroyo-Torres, B., Azzaro, M., Barrado, D., Becerril-Jarque, S., Benítez, D., Berdiñas, Z. M., Bergond, G., Brinkmöller, M., del Burgo, C., Burn, R., Calvo-Ortega, R., Cano, J., Cárdenas, M. C., Guillén, C. Cardona, Carro, J., Casal, E., Casanova, V., Casasayas-Barris, N., Chaturvedi, P., Cifuentes, C., Claret, A., Colomé, J., Czesla, S., Díez-Alonso, E., Dorda, R., Emsenhuber, A., Fernández, M., Fernández-Martín, A., Ferro, I. M., Fuhrmeister, B., Galadí-Enríquez, D., Cava, I. Gallardo, Vargas, M. L. García, Garcia-Piquer, A., Gesa, L., González-Álvarez, E., Hernández, J. I. González, González-Peinado, R., Guàrdia, J., Guijarro, A., de Guindos, E., Hatzes, A. P., Hauschildt, P. H., Hedrosa, R. P., Hermelo, I., Arabi, R. Hernández, Otero, F. Hernández, Hintz, D., Holgado, G., Huber, A., Huke, P., Johnson, E. N., de Juan, E., Kehr, M., Kemmer, J., Kim, M., Klüter, J., Klutsch, A., Labarga, F., Labiche, N., Lalitha, S., Lampón, M., Lara, L. M., Launhardt, R., Lázaro, F. J., Lizon, J. -L., Llamas, M., Lodieu, N., del Fresno, M. López, Salas, J. F. López, López-Santiago, J., Madinabeitia, H. Magán, Mall, U., Mancini, L., Mandel, H., Marfil, E., Molina, J. A. Marín, Martín, E. L., Martín-Fernández, P., Martín-Ruiz, S., Martínez-Rodríguez, H., Marvin, C. J., Mirabet, E., Moya, A., Naranjo, V., Nelson, R. P., Nortmann, L., Nowak, G., Ofir, A., Pascual, J., Pavlov, A., Pedraz, S., Medialdea, D. Pérez, Pérez-Calpena, A., Perryman, M. A. C., Rabaza, O., Ballesta, A. Ramón, Rebolo, R., Redondo, P., Rix, H. -W., Rodler, F., Trinidad, A. Rodríguez, Sabotta, S., Sadegi, S., Salz, M., Sánchez-Blanco, E., Carrasco, M. A. Sánchez, Sánchez-López, A., Sanz-Forcada, J., Sarkis, P., Sarmiento, L. F., Schäfer, S., Schlecker, M., Schmitt, J. H. M. M., Schöfer, P., Solano, E., Sota, A., Stahl, O., Stock, S., Stuber, T., Stürmer, J., Suárez, J. C., Tabernero, H. M., Tulloch, S. M., Veredas, G., Vico-Linares, J. I., Vilardell, F., Wagner, K., Winkler, J., Wolthoff, V., Yan, F., Osorio, M. R. Zapatero

Statistical analyses from exoplanet surveys around low-mass stars indicate that super-Earth and Neptune-mass planets are more frequent than gas giants around such stars, in agreement with core accretion theory of planet formation. Using precise radia

Externí odkaz: http://arxiv.org/abs/1909.12174