Zobrazeno 1 - 10
of 485
pro vyhledávání: '"Kemmer, J"'
Autor:
Mallorquín, M., Goffo, E., Pallé, E., Lodieu, N., Béjar, V. J. S., Isaacson, H., Osorio, M. R. Zapatero, Dreizler, S., Stock, S., Luque, R., Murgas, F., Peña, L., Sanz-Forcada, J., Morello, G., Ciardi, D. R., Furlan, E., Collins, K. A., Herrero, E., Vanaverbeke, S., Plavchan, P., Narita, N., Schweitzer, A., Pérez-Torres, M., Quirrenbach, A., Kemmer, J., Hatzes, A. P., Howard, A., Schlecker, M., Reffert, S., Nagel, E., Morales, J. C., Orell-Miquel, J., Duque-Arribas, C., Carleo, I., Cifuentes, C., Nowak, G., Ribas, I., Reiners, A., Amado, P. J., Caballero, J. A., Henning, Th., Pinter, V., Murphy, J. M. Akana, Beard, C., Blunt, S., Brinkman, C. L., Cale, B., Chontos, A., Collins, K. I., Crossfield, I. J. M., Dai, F., Dalba, P. A., Dufoer, S., Mufti, M. El, Espinoza, N., Fetherolf, T., Fukui, A., Giacalone, S., Gnilka, C., Gonzales, E., Grunblatt, S. K., Howell, S., Huber, D., Kane, S. R., de León, J. P., Lubin, J., MacDougall, M. G., Massey, B., Montes, D., Mori, M., Parviainen, H., Passegger, V. M., Polanski, A. S., Robertson, P., Schwarz, R. P., Srdoc, G., Tabernero, H. M., Tanner, A., Turtelboom, E., Van Zandt, J., Weiss, L., Zechmeister, M.
Publikováno v:
A&A 680, A76 (2023)
We report the discovery, mass, and radius determination of TOI-1801 b, a temperate mini-Neptune around a young M dwarf. TOI-1801 b was observed in TESS sectors 22 and 49, and the alert that this was a TESS planet candidate with a period of 21.3 days
Externí odkaz:
http://arxiv.org/abs/2310.10244
Autor:
Gorrini, P., Kemmer, J., Dreizler, S., Burn, R., Hirano, T., Pozuelos, F. J., Kuzuhara, M., Caballero, J. A., Amado, P. J., Harakawa, H., Kudo, T., Quirrenbach, A., Reiners, A., Ribas, I., Béjar, V. J. S., Chaturvedi, P., Cifuentes, C., Galadí-Enríquez, D., Hatzes, A. P., Kaminski, A., Kotani, T., Kürster, M., Livingston, J. H., González, M. J. López, Montes, D., Morales, J. C., Murgas, F., Omiya, M., Pallé, E., Rodríguez, E., Sato, B., Schweitzer, A., Shan, Y., Takarada, T., Tal-Or, L., Tamura, M., Vievard, S., Osorio, M. R. Zapatero, Zechmeister, M.
Publikováno v:
A&A 680, A28 (2023)
We report the discovery of two exoplanets around the M dwarfs GJ 724 and GJ 3988 using the radial velocity (RV) method. We obtained a total of 153 3.5 m Calar Alto/CARMENES spectra for both targets and measured their RVs and activity indicators. We a
Externí odkaz:
http://arxiv.org/abs/2310.05599
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:
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:
Kossakowski, D., Kürster, M., Henning, Th., Trifonov, T., Caballero, J. A., Lafarga, M., Bauer, F. F., Stock, S., Kemmer, J., Jeffers, S. V., Amado, P. J., Pérez-Torres, M., Béjar, V. J. S., Cortés-Contreras, M., Ribas, I., Reiners, A., Quirrenbach, A., Aceituno, J., Baroch, D., Cifuentes, C., Dreizler, S., Forcada, J. S., Hatzes, A., Kaminski, A., Montes, D., Morales, J. C., Pavlov, A., Peña, L., Perdelwitz, V., Reffert, S., Revilla, D., López, C. Rodríguez, Rosich, A., Sadegi, S., Schöfer, P., Schweitzer, A., Zechmeister, M.
Publikováno v:
A&A 666, A143 (2022)
Context: A challenge with radial-velocity (RV) data is disentangling the origin of signals either due to a planetary companion or to stellar activity. In fact, the existence of a planetary companion has been proposed, as well as contested, around the
Externí odkaz:
http://arxiv.org/abs/2209.05814
Autor:
Luque, R., Fulton, B. J., Kunimoto, M., Amado, P. J., Gorrini, P., Dreizler, S., Hellier, C., Henry, G. W., Molaverdikhani, K., Morello, G., Peña-Moñino, L., Pérez-Torres, M., Pozuelos, F. J., Shan, Y., Anglada-Escudé, G., Béjar, V. J. S., Bergond, G., Boyle, A. W., Caballero, J. A., Charbonneau, D., Ciardi, D. R., Dufoer, S., Espinoza, N., Everett, M., Fischer, D., Hatzes, A. P., Henning, Th., Hesse, K., Howard, A., Howell, S. B., Isaacson, H., Jeffers, S. V., Jenkins, J. M., Kane, S. R., Kemmer, J., Khalafinejad, S., Kidwell Jr., R. C., Kossakowski, D., Latham, D. W., Lillo-Box, J., Lissauer, J. J., Montes, D., Orell-Miquel, J., Pallé, E., Pollacco, D., Quirrenbach, A., Reffert, S., Reiners, A., Ribas, I., Ricker, G. R., Rogers, L. A., Sanz-Forcada, J., Schlecker, M., Schweitzer, A., Seager, S., Shporer, A., Stassun, K. G., Stock, S., Tal-Or, L., Ting, E. B., Trifonov, T., Vanaverbeke, S., Vanderspek, R., Villaseñor, J., Winn, J. N., Winters, J. G., Osorio, M. R. Zapatero
Publikováno v:
A&A 664, A199 (2022)
We report the discovery of a multi-planetary system transiting the M0 V dwarf HD 260655 (GJ 239, TOI-4599). The system consists of at least two transiting planets, namely HD 260655 b, with a period of 2.77 d, a radius of R$_b$ = 1.240$\pm$0.023 R$_\o
Externí odkaz:
http://arxiv.org/abs/2204.10261
Autor:
Kemmer, J., Dreizler, S., Kossakowski, D., Stock, S., Quirrenbach, A., Caballero, J. A., Amado, P. J., Collins, K. A., Espinoza, N., Herrero, E., Jenkins, J. M., Latham, D. W., Lillo-Box, J., Narita, N., Pallé, E., Reiners, A., Ribas, I., Ricker, G., Rodríguez, E., Seager, S., Vanderspek, R., Wells, R., Winn, J., Aceituno, F. J., Béjar, V. J. S., Barclay, T., Bluhm, P., Chaturvedi, P., Cifuentes, C., Collins, K. I., Cortés-Contreras, M., Demory, B. -O., Fausnaugh, M. M., Fukui, A., Chew, Y. Gómez Maqueo, Galadí-Enríquez, D., Gan, T., Gillon, M., Golovin, A., Hatzes, A. P., Henning, T., Huang, C., Jeffers, S. V., Kaminski, A., Kunimoto, M., Kürster, M., López-González, M. J., Lafarga, M., Luque, R., McCormac, J., Molaverdikhani, K., Montes, D., Morales, J. C., Passegger, V. M., Reffert, S., Sabin, L., Schöfer, P., Schanche, N., Schlecker, M., Schroffenegger, U., Schwarz, R. P., Schweitzer, A., Sota, A., Tenenbaum, P., Trifonov, T., Vanaverbeke, S., Zechmeister, M.
Publikováno v:
A&A 659, A17 (2022)
We report the discovery of GJ 3929 b, a hot Earth-sized planet orbiting the nearby M3.5 V dwarf star, GJ 3929 (G 180--18, TOI-2013). Joint modelling of photometric observations from TESS sectors 24 and 25 together with 73 spectroscopic observations f
Externí odkaz:
http://arxiv.org/abs/2202.00970
Autor:
González-Álvarez, E., Osorio, M. R. Zapatero, Sanz-Forcada, J., Caballero, J. A., Reffert, S., Béjar, V. J. S., Hatzes, A. P., Herrero, E., Jeffers, S. V., Kemmer, J., López-González, M. J., Luque, R., Molaverdikhani, K., Morello, G., Nagel, E., Quirrenbach, A., Rodríguez, E., Rodríguez-López, C., Schlecker, M., Schweitzer, A., Stock, S., Passegger, V. M., Trifonov, T., Amado, P. J., Baker, D., Boyd, P. T., Cadieux, C., Charbonneau, D., Collins, K. A., Doyon, R., Dreizler, S., Espinoza, N., Furész, G., Furlan, E., Hesse, K., Howell, S. B., Jenkins, J. M., Kidwell, R. C., Latham, D. W., McLeod, K. K., Montes, D., Morales, J. C., O'Dwyer, T., Pallé, E., Pedraz, S., Reiners, A., Ribas, I., Quinn, S. N., Schnaible, C., Seager, S., Skinner, B., Smith, J. C., Schwarz, R. P., Shporer, A., Vanderspek, R., Winn, J. N.
Publikováno v:
A&A 658, A138 (2022)
Two transiting planet candidates with super-Earth radii around the nearby K7--M0 dwarf star TOI-1238 were announced by TESS. We aim to validate their planetary nature using precise radial velocities (RV) taken with the CARMENES spectrograph. We obtai
Externí odkaz:
http://arxiv.org/abs/2111.14602
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