Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Perdelwitz, V"'
Gliese 12 b: A temperate Earth-sized planet at 12 pc ideal for atmospheric transmission spectroscopy
Autor:
Kuzuhara, M., Fukui, A., Livingston, J. H., Caballero, J. A., de Leon, J. P., Hirano, T., Kasagi, Y., Murgas, F., Narita, N., Omiya, M., Orell-Miquel, Jaume, Palle, E., Changeat, Q., Esparza-Borges, E., Harakawa, H., Hellier, C., Hori, Yasunori, Ikuta, Kai, Ishikawa, H. T., Kodama, T., Kotani, T., Kudo, T., Morales, J. C., Mori, M., Nagel, E., Parviainen, H., Perdelwitz, V., Reiners, A., Ribas, I., Sanz-Forcada, J., Sato, B., Schweitzer, A., Tabernero, H. M., Takarada, T., Uyama, T., Watanabe, N., Zechmeister, M., García, N. Abreu, Aoki, W., Beichman, C., Béjar, V. J. S., Brandt, T. D., Calatayud-Borras, Y., Carleo, I., Charbonneau, D., Collins, K. A., Currie, T., Doty, J. P., Dreizler, S., Fernández-Rodríguez, G., Fukuda, I., Galán, D., Geraldía-González, S., González-Garcia, J., Hayashi, Y., Hedges, C., Henning, T., Hodapp, K., Ikoma, M., Isogai, K., Jacobson, S., Janson, M., Jenkins, J. M., Kagetani, T., Kambe, E., Kawai, Y., Kawauchi, K., Kokubo, E., Konishi, M., Korth, J., Krishnamurthy, V., Kurokawa, T., Kusakabe, N., Kwon, J., Laza-Ramos, A., Libotte, F., Luque, R., Madrigal-Aguado, A., Matsumoto, Y., Mawet, D., McElwain, M. W., Gallardo, P. P. Meni, Morello, G., Torres, S. Mu~noz, Nishikawa, J., Nugroho, S. K., Ogihara, M., Pel'aez-Torres, A., Rapetti, D., S'anchez-Benavente, M., Schlecker, M., Seager, S., Serabyn, E., Serizawa, T., Stangret, M., Takahashi, A., Teng, H., Tamura, M., Terada, Y., Ueda, A., Usuda, T., Vanderspek, R., Vievard, S., Watanabe, D., Winn, J. N., Osorio, M. R. Zapatero
Publikováno v:
Published on 2024 May 23 by Astrophysical Journal Letters (ApJL) 967 L21
Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via follow-up spectroscopic observations. However, the number of such planets receiving low insolation i
Externí odkaz:
http://arxiv.org/abs/2405.14708
Autor:
Cao, Dongtao, Gu, Shenghong, Ge, Jian, Wang, Tinggui, Zhou, Jilin, Chang, Liang, Wolter, U., Mittag, M., Schmitt, J. H. M. M., Perdelwitz, V.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 482, Issue 1, p.988-998, January 2019
We present the results of time-resolved high-resolution spectroscopic observations of the very active RS Canum Venaticorum (RS CVn) star SZ Piscium (SZ Psc), obtained during two consecutive observing nights on October 24 and 25, 2011. Several optical
Externí odkaz:
http://arxiv.org/abs/2401.02590
Magnetic activity is currently the primary limiting factor in radial velocity (RV) exoplanet searches. Even inactive stars, such as the Sun, exhibit RV jitter of the order of a few ms$^{-1}$ due to active regions on their surfaces. Time series of chr
Externí odkaz:
http://arxiv.org/abs/2311.12438
Autor:
Shvartzvald, Y., Waxman, E., Gal-Yam, A., Ofek, E. O., Ben-Ami, S., Berge, D., Kowalski, M., Bühler, R., Worm, S., Rhoads, J. E., Arcavi, I., Maoz, D., Polishook, D., Stone, N., Trakhtenbrot, B., Ackermann, M., Aharonson, O., Birnholtz, O., Chelouche, D., Guetta, D., Hallakoun, N., Horesh, A., Kushnir, D., Mazeh, T., Nordin, J., Ofir, A., Ohm, S., Parsons, D., Pe'er, A., Perets, H. B., Perdelwitz, V., Poznanski, D., Sadeh, I., Sagiv, I., Shahaf, S., Soumagnac, M., Tal-Or, L., Van Santen, J., Zackay, B., Guttman, O., Rekhi, P., Townsend, A., Weinstein, A., Wold, I.
The Ultraviolet Transient Astronomy Satellite (ULTRASAT) is scheduled to be launched to geostationary orbit in 2026. It will carry a telescope with an unprecedentedly large field of view (204 deg$^2$) and NUV (230-290nm) sensitivity (22.5 mag, 5$\sig
Externí odkaz:
http://arxiv.org/abs/2304.14482
Autor:
Ribas, I., Reiners, A., Zechmeister, M., Caballero, J. A., Morales, J. C., Sabotta, S., Baroch, D., Amado, P. J., Quirrenbach, A., Abril, M., Aceituno, J., Anglada-Escudé, G., Azzaro, M., Barrado, D., Béjar, V. J. S., de Haro, D. Benítez, Bergond, G., Bluhm, P., Ortega, R. Calvo, Guillén, C. Cardona, Chaturvedi, P., Cifuentes, C., Colomé, J., Cont, D., Cortés-Contreras, M., Czesla, S., Díez-Alonso, E., Dreizler, S., Duque-Arribas, C., Espinoza, N., Fernández, M., Fuhrmeister, B., Galadí-Enríquez, D., García-López, A., González-Álvarez, E., Hernández, J. I. González, Guenther, E. W., de Guindos, E., Hatzes, A. P., Henning, Th., Herrero, E., Hintz, D., Huelmo, Á. L., Jeffers, S. V., Johnson, E. N., de Juan, E., Kaminski, A., Kemmer, J., Khaimova, J., Khalafinejad, S., Kossakowski, D., Kürster, M., Labarga, F., Lafarga, M., Lalitha, S., Lampón, M., Lillo-Box, J., Lodieu, N., González, M. J. López, López-Puertas, M., Luque, R., Magán, H., Mancini, L., Marfil, E., Martín, E. L., Martín-Ruiz, S., Molaverdikhani, K., Montes, D., Nagel, E., Nortmann, L., Nowak, G., Pallé, E., Passegger, V. M., Pavlov, A., Pedraz, S., Perdelwitz, V., Perger, M., Ramón-Ballesta, A., Reffert, S., Revilla, D., Rodríguez, E., Rodríguez-López, C., Sadegi, S., Carrasco, M. Á. Sánchez, Sánchez-López, A., Sanz-Forcada, J., Schäfer, S., Schlecker, M., Schmitt, J. H. M. M., Schöfer, P., Schweitzer, A., Seifert, W., Shan, Y., Skrzypinski, S. L., Solano, E., Stahl, O., Stangret, M., Stock, S., Stürmer, J., Tabernero, H. M., Tal-Or, L., Trifonov, T., Vanaverbeke, S., Yan, F., Osorio, M. R. Zapatero
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:
http://arxiv.org/abs/2302.10528
High-precision transit photometry supplies ideal opportunities for detecting new exoplanets and characterizing their physical properties, which usually encode valuable information for unveiling the planetary structure, atmosphere and dynamical histor
Externí odkaz:
http://arxiv.org/abs/2301.08484
Autor:
Palle, E., Orell-Miquel, J., Brady, M., Bean, J., Hatzes, A. P., Morello, G., Morales, J. C., Murgas, F., Molaverdikhani, K., Parviainen, H., Sanz-Forcada, J., Béjar, V. J. S., Caballero, J. A., Sreenivas, K. R., Schlecker, M., Ribas, I., Perdelwitz, V., Tal-Or, L., Pérez-Torres, M., Luque, R., Dreizler, S., Fuhrmeister, B., Aceituno, F., Amado, P. J., Anglada-Escudé, G., Caldwell, D. A., Charbonneau, D., Cifuentes, C., de Leon, J. P., Collins, K. A., Dufoer, S., Espinoza, N., Essack, Z., Fukui, A., Chew, Y. Gómez Maqueo, Gómez-Muñoz, M. A., Henning, Th., Herrero, E., Jeffers, S. V., Jenkins, J., Kaminski, A., Kasper, J., Kunimoto, M., Latham, D., Lillo-Box, J., López-González, M. J., Montes, D., Mori, M., Narita, N., Quirrenbach, A., Pedraz, S., Reiners, A., Rodríguez, E., Rodríguez-López, C., Sabin, L., Schanche, N., Schwarz, R-P., Schweitzer, A., Seifahrt, A., Stefansson, G., Sturmer, J., Trifonov, T., Vanaverbeke, S., Wells, R. D., Zapatero-Osorio, M. R., Zechmeister, M.
Publikováno v:
A&A 678, A80 (2023)
One of the main scientific goals of the TESS mission is the discovery of transiting small planets around the closest and brightest stars in the sky. Here, using data from the CARMENES, MAROON-X, and HIRES spectrographs, together with TESS, we report
Externí odkaz:
http://arxiv.org/abs/2301.06873
Autor:
Blanco-Pozo, J., Perger, M., Damasso, M., Escudé, G. Anglada, Ribas, I., Baroch, D., Caballero, J. A., Cifuentes, C., Jeffers, S. V., Lafarga, M., Kaminski, A., Kaur, S., Nagel, E., Perdelwitz, V., Pérez-Torres, M., Sozzetti, A., Viganò, D., Amado, P. J., Andreuzzi, G., Brown, E. L., Del Sordo, F., Dreizler, S., Galadí-Enríquez, D., Hatzes, A. P., Kürster, M., Lanza, A. F., Melis, A., Molinari, E., Montes, D., Murgia, M., Pallé, E., Peña-Moñino, L., Perrodin, D., Pilia, M., Poretti, E., Quirrenbach, A., Reiners, A., Schweitzer, A., Osorio, M. R. Zapatero, Zechmeister, M.
Publikováno v:
A&A 671, A50 (2023)
Detecting a planetary companion in a short-period orbit through radio emission from the interaction with its host star is a new prospect in exoplanet science. Recently, a tantalising signal was found close to the low-mass stellar system GJ 1151 using
Externí odkaz:
http://arxiv.org/abs/2301.04442
Autor:
Kossakowski, D., Kürster, M., Trifonov, T., Henning, Th., Kemmer, J., Caballero, J. A., Burn, R., Sabotta, S., Crouse, J. S., Fauchez, T. J., Nagel, E., Kaminski, A., Herrero, E., Rodríguez, E., González-Álvarez, E., Quirrenbach, A., Amado, P. J., Ribas, I., Reiners, A., Aceituno, J., Béjar, V. J. S., Baroch, D., Bastelberger, S. T., Chaturvedi, P., Cifuentes, C., Dreizler, S., Jeffers, S. V., Kopparapu, R., Lafarga, M., López-González, M. J., n-Ruiz, S. Martí, Montes, D., Morales, J. C., Pallé, E., Pavlov, A., Pedraz, S., Perdelwitz, V., Pérez-Torres, M., Perger, M., Reffert, S., López, C. Rodríguez, Schlecker, M., Schöfer, P., Schweitzer, A., Shan, Y., Shields, A., Stock, S., Wolf, E., Osorio, M. R. Zapatero, Zechmeister, M.
Publikováno v:
A&A 670, A84 (2023)
We present the discovery of an Earth-mass planet ($M_b\sin i = 1.26\pm0.21M_\oplus$) on a 15.6d orbit of a relatively nearby ($d\sim$9.6pc) and low-mass ($0.167\pm0.011 M_\odot$) M5.0V star, Wolf 1069. Sitting at a separation of $0.0672\pm0.0014$au a
Externí odkaz:
http://arxiv.org/abs/2301.02477
Autor:
Fuhrmeister, B., Czesla, S., Perdelwitz, V., Nagel, E., Schmitt, J. H. M. M., Jeffers, S. V., Caballero, J. A., Zechmeister, M., Montes, D., Reiners, A., López-Gallifa, Á., Ribas, I., Quirrenbach, A., Amado, P. J., Galadí-Enríquez, D., Béjar, V. J. S., Danielski, C., Hatzes, A. P., Kaminski, A., Kürster, M., Morales, J. C., Osorio, M. R. Zapatero
Publikováno v:
A&A 670, A71 (2023)
It is clearly established that the Sun has an 11-year cycle that is caused by its internal magnetic field. This cycle is also observed in a sample of M dwarfs. In the framework of exoplanet detection or atmospheric characterisation of exoplanets, the
Externí odkaz:
http://arxiv.org/abs/2212.03514