Zobrazeno 1 - 10
of 231
pro vyhledávání: '"Perger, M"'
Autor:
Barnes, J. R., Jeffers, S. V., Haswell, C. A., Damasso, M., Del Sordo, F., Liebing, F., Perger, M., Anglada-Escudé, G.
The radial velocity (RV) method of exoplanet detection requires mitigation of nuisance signals arising from stellar activity. Using analytic cool and facular spot models, we explore the use of central line moments (CLMs) for recovering and monitoring
Externí odkaz:
http://arxiv.org/abs/2409.10306
Autor:
González-Álvarez, E., Kemmer, J., Chaturvedi, P., Caballero, J. A., Quirrenbach, A., Amado, P. J., Béjar, V. J. S., Cifuentes, C., Herrero, E., Kossakowski, D., Reiners, A., Ribas, I., Rodríguez, E., Rodríguez-López, C., Sanz-Forcada, J., Shan, Y., Stock, S., Tabernero, H. M., Tal-Or, L., Osorio, M. R. Zapatero, Hatzes, A. P., Henning, Th., López-González, M. J., Montes, D., Morales, J. C., Pallé, E., Pedraz, S., Perger, M., Reffert, S., Sabotta, S., Schweitzer, A., Zechmeister, M.
Publikováno v:
A&A 675, A141 (2023)
We report the discovery of HN Lib b, a sub-Neptunian mass planet orbiting the nearby ($d \approx$ = 6.25 pc) M4.0 V star HN Lib detected by our CARMENES radial-velocity (RV) survey. We determined a planetary minimum mass of $M_\text{b}\sin i = $ 5.46
Externí odkaz:
http://arxiv.org/abs/2305.19677
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
Autor:
Perger, M., Anglada-Escudé, G., Baroch, D., Lafarga, M., Ribas, I., Morales, J. C., Herrero, E., Amado, P. J., Barnes, J. R., Caballero, J. A., Jeffers, S. V., Quirrenbach, A., Reiners, A.
Publikováno v:
A&A 672, A118 (2023)
Precision radial velocity (RV) measurements continue to be a key tool to detect and characterise extrasolar planets. While instrumental precision keeps improving, stellar activity remains a barrier to obtain reliable measurements below 1-2 m/s accura
Externí odkaz:
http://arxiv.org/abs/2301.12872
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:
Damasso, M., Perger, M., Almenara, J. M., Nardiello, D., Pérez-Torres, M., Sozzetti, A., Hara, N. C., Quirrenbach, A., Bonfils, X., Osorio, M. R. Zapatero, Astudillo-Defru, N., Hernández, J. I. González, Mascareño, A. Suárez, Amado, P. J., Forveille, T., Lillo-Box, J., Alibert, Y., Caballero, J. A., Cifuentes, C., Delfosse, X., Figueira, P., Galadí-Enríquez, D., Hatzes, A. P., Henning, Th., Kaminski, A., Mayor, M., Murgas, F., Montes, D., Pinamonti, M., Reiners, A., Ribas, I., Béjar, V. J. S., Schweitzer, A., Zechmeister, M.
Publikováno v:
A&A 666, A187 (2022)
We investigated the presence of planetary companions around the nearby (7.6 pc) and bright ($V=9$ mag) early-type M dwarf Gl 514, analysing 540 radial velocities collected over nearly 25 years with the HIRES, HARPS, and CARMENES spectrographs. The da
Externí odkaz:
http://arxiv.org/abs/2204.06376
Autor:
Quirrenbach, A., Passegger, V. M., Trifonov, T., Amado, P. J., Caballero, J. A., Reiners, A., Ribas, I., Aceituno, J., Bejar, V. J. S., Chaturvedi, P., Gonzalez-Cuesta, L., Henning, T., Herrero, E., Kaminski, A., Kuerster, M., Lalitha, S., Lodieu, N., Lopez-Gonzalez, M. J., Montes, D., Palle, E., Perger, M., Pollacco, D., Reffert, S., Rodriguez, E., Lopez, C. Rodriguez, Shan, Y, Tal-Or, L., Osorio, M. R. Zapatero, Zechmeister, M.
Publikováno v:
A&A 663, A48 (2022)
The CARMENES radial-velocity survey is currently searching for planets in a sample of 387 M dwarfs. Here we report on two Saturn-mass planets orbiting TYC 2187-512-1 ($M_\star = 0.50 M_\odot$) and TZ Ari ($M_\star = 0.15 M_\odot$), respectively. We o
Externí odkaz:
http://arxiv.org/abs/2203.16504
Autor:
Pinamonti, M., Sozzetti, A., Maldonado, J., Affer, L., Micela, G., Bonomo, A. S., Lanza, A. F., Perger, M., Ribas, I., Hernández, J. I. González, Bignamini, A., Claudi, R., Covino, E., Damasso, M., Desidera, S., Giacobbe, P., González-Álvarez, E., Herrero, E., Leto, G., Maggio, A., Molinari, E., Morales, J. C., Pagano, I., Petralia, A., Piotto, G., Poretti, E., Rebolo, R., Scandariato, G., Mascareño, A. Suárez, Toledo-Padrón, B., Sánchez, R. Zanmar
Publikováno v:
A&A 664, A65 (2022)
We present the complete Bayesian statistical analysis of the HArps-n red Dwarf Exoplanet Survey (HADES), which monitored the radial velocities of a large sample of M dwarfs with HARPS-N at TNG, over the last 6 years. The targets were selected in a na
Externí odkaz:
http://arxiv.org/abs/2203.04648
Autor:
Kossakowski, D., Kemmer, J., Bluhm, P., Stock, S., Caballero, J. A., Béjar, V. J. S., Guillén, C. Cardona, Lodieu, N., Collins, K. A., Oshagh, M., Schlecker, M., Espinoza, N., Pallé, E., Henning, Th., Kreidberg, L., Kürster, M., Amado, P. J., Anderson, D. R., Morales, J. C., Conti, D., Galadi-Enriquez, D., Guerra, P., Cartwright, S., Charbonneau, D., Chaturvedi, P., Cifuentes, C., Contreras, M. Cortes, Dreizler, S., Hellier, C., Henze, C., Herrero, E., Jeffers, S. V., Jenkins, J. M., Jensen, E. L. N., Kaminski, A., Kielkopf, J. F., Kunimoto, M., Lafarga, M., Latham, D. W., Lillo-Box, J., Luque, R., Molaverdikhani, K., Montes, D., Morello, G., Morgan, E. H., Nowak, G., Pavlov, A., Perger, M., Quintana, E. V., Quirrenbach, A., Reffert, S., Reiners, A., Ricker, G., Ribas, I., Lopez, C. Rodriguez, Osorio, M. R. Zapatero, Seager, S., Schoefer, P., Schweitzer, A., Trifonov, T., Vanaverbeke, S., Vanderspek, R., West, R., Winn, J., Zechmeister, M.
Publikováno v:
A&A 656, A124 (2021)
We present the discovery of a transiting mini-Neptune around TOI-1201, a relatively bright and moderately young early M dwarf ($J \approx$ 9.5 mag, $\sim$600-800 Myr) in an equal-mass $\sim$8 arcsecond-wide binary system, using data from the Transiti
Externí odkaz:
http://arxiv.org/abs/2109.09346