The cosmic waltz of Coma Berenices and Latyshev 2 (Group X). Membership, phase-space structure, mass, and energy distributions

Autor: J. Olivares, N. Lodieu, V. J. S. Béjar, E. L. Martín, M. Zerjal, P. A. B. Galli

Context. Open clusters (OCs) are fundamental benchmarks where theories of star formation and stellar evolution can be tested and validated. Coma Ber and Latyshev 2 (Group X) are the second and third OCs closest to the Sun, making them excellent targe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fbe86d043b23f925f1a596e417baa63
http://arxiv.org/abs/2304.08618

The CARMENES search for exoplanets around M dwarfs. Guaranteed time observations Data Release 1 (2016-2020)

Autor: I. Ribas, A. Reiners, M. Zechmeister, J. A. Caballero, J. C. Morales, S. Sabotta, D. Baroch, P. J. Amado, A. Quirrenbach, M. Abril, J. Aceituno, G. Anglada-Escudé, M. Azzaro, D. Barrado, V. J. S. Béjar, D. Benítez de Haro, G. Bergond, P. Bluhm, R. Calvo Ortega, C. Cardona Guillén, P. Chaturvedi, C. Cifuentes, J. Colomé, D. Cont, M. Cortés-Contreras, S. Czesla, E. Díez-Alonso, S. Dreizler, C. Duque-Arribas, N. Espinoza, M. Fernández, B. Fuhrmeister, D. Galadí-Enríquez, A. García-López, E. González-Álvarez, J. I. González Hernández, E. W. Guenther, E. de Guindos, A. P. Hatzes, Th. Henning, E. Herrero, D. Hintz, Á. L. Huelmo, S. V. Jeffers, E. N. Johnson, E. de Juan, A. Kaminski, J. Kemmer, J. Khaimova, S. Khalafinejad, D. Kossakowski, M. Kürster, F. Labarga, M. Lafarga, S. Lalitha, M. Lampón, J. Lillo-Box, N. Lodieu, M. J. López González, M. López-Puertas, R. Luque, H. Magán, L. Mancini, E. Marfil, E. L. Martín, S. Martín-Ruiz, K. Molaverdikhani, D. Montes, E. Nagel, L. Nortmann, G. Nowak, E. Pallé, V. M. Passegger, A. Pavlov, S. Pedraz, V. Perdelwitz, M. Perger, A. Ramón-Ballesta, S. Reffert, D. Revilla, E. Rodríguez, C. Rodríguez-López, S. Sadegi, M. Á. Sánchez Carrasco, A. Sánchez-López, J. Sanz-Forcada, S. Schäfer, M. Schlecker, J. H. M. M. Schmitt, P. Schöfer, A. Schweitzer, W. Seifert, Y. Shan, S. L. Skrzypinski, E. Solano, O. Stahl, M. Stangret, S. Stock, J. Stürmer, H. M. Tabernero, L. Tal-Or, T. Trifonov, S. Vanaverbeke, F. Yan, M. R. Zapatero Osorio

Publikováno v: Astronomy and Astrophysics

The CARMENES instrument was conceived to deliver high-accuracy radial velocity (RV) measurements with long-term stability to search for temperate rocky planets around a sample of nearby cool stars. The broad wavelength coverage was designed to provid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b8cfde360b03faee5da32e1d3b118d3
https://hdl.handle.net/21.11116/0000-000C-B462-A

Search for planets around stars with wide brown dwarfs

Autor: J. Šubjak, N. Lodieu, P. Kabáth, H. M. J. Boffin, G. Nowak, F. Grundahl, V. J. S. Béjar, M. R. Zapatero Osorio, V. Antoci

Publikováno v: Šubjak, J, Lodieu, N, Kabáth, P, Boffin, H M J, Nowak, G, Grundahl, F, Béjar, V J S, Zapatero Osorio, M R & Antoci, V 2023, ' Search for planets around stars with wide brown dwarfs ', Astronomy and Astrophysics, vol. 671, A10 . https://doi.org/10.1051/0004-6361/202244238

Aims. The project aims to understand better the role of wide brown dwarf companions on planetary systems. Methods. We obtained high-resolution spectra of six bright stars with co-moving wide substellar companions with the SONG, CARMENES, and STELLA h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76e1f5d17213feea39a28c61b6a1896d
https://orbit.dtu.dk/en/publications/72356a31-5f0a-42ae-a860-7ae291934bac

The CARMENES search for exoplanets around M dwarfs -- A deep transfer learning method to determine Teff and [M/H] of target stars

Autor: A. Bello-García, V. M. Passegger, J. Ordieres-Meré, A. Schweitzer, J. A. Caballero, A. González-Marcos, I. Ribas, A. Reiners, A. Quirrenbach, P. J. Amado, V. J. S. Béjar, C. Cifuentes, Th. Henning, A. Kaminski, R. Luque, D. Montes, J. C. Morales, S. Pedraz, H. M. Tabernero, M. Zechmeister

The large amounts of astrophysical data being provided by existing and future instrumentation require efficient and fast analysis tools. Transfer learning is a new technique promising higher accuracy in the derived data products, with information fro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7a3da2f8fac391d6e312be5ead9b095

Two temperate Earth-mass planets orbiting the nearby star GJ1002

Autor: A. Suárez Mascareño, E. González-Álvarez, M. R. Zapatero Osorio, J. Lillo-Box, J. P. Faria, V. M. Passegger, J. I. González Hernández, P. Figueira, A. Sozzetti, R. Rebolo, F. Pepe, N. C. Santos, S. Cristiani, C. Lovis, A. M. Silva, I. Ribas, P. J. Amado, J. A. Caballero, A. Quirrenbach, A. Reiners, M. Zechmeister, V. Adibekyan, Y. Alibert, V. J. S. Béjar, S. Benatti, V. D’Odorico, M. Damasso, J.-B. Delisle, P. Di Marcantonio, S. Dreizler, D. Ehrenreich, A. P. Hatzes, N. C. Hara, Th. Henning, A. Kaminski, M. J. López-González, C. J. A. P. Martins, G. Micela, D. Montes, E. Pallé, S. Pedraz, E. Rodríguez, C. Rodríguez-López, L. Tal-Or, S. Sousa, S. Udry

This is an Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1584dc6c075fb22abc8242da3c89c47f
http://arxiv.org/abs/2212.07332