Zobrazeno 1 - 10
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pro vyhledávání: '"P, Hellier"'
In complex-valued coherent inverse problems such as synthetic aperture radar (SAR), one may often have prior information only on the magnitude image which shows the features of interest such as strength of reflectivity. In contrast, there may be no m
Externí odkaz:
http://arxiv.org/abs/2410.22161
Autor:
Carleo, Ilaria, Barrágan, Oscar, Persson, Carina M., Fridlund, Malcolm, Lam, Kristine W. F., Messina, Sergio, Gandolfi, Davide, Smith, Alexis M. S., Johnson, Marshall C., Cochran, William, Osborn, Hannah L. M., Brahm, Rafael, Ciardi, David R., Collins, Karen A., Everett, Mark E., Giacalone, Steven, Guenther, Eike W., Hatzes, Artie, Hellier, Coel, Kabáth, Jonathan Horner Petr, Korth, Judith, MacQueen, Phillip, Masseron, Thomas, Murgas, Felipe, Nowak, Grzegorz, Rodriguez, Joseph E., Watkins, Cristilyn N., Wittenmyer, Rob, Zhou, George, Ziegler, Carl, Bieryla, Allyson, Boyd, Patricia T., Clark, Catherine A., Dressing, Courtney D., Eastman, Jason D., Eberhardt, Jan, Endl, Michael, Espinoza, Nestor, Fausnaugh, Michael, Guerrero, Natalia M., Henning, Thomas, Hesse, Katharine, Hobson, Melissa J., Howell, Steve B., Jordán, Andrés, Latham, David W., Lund, Michael B., Mireles, Ismael, Narita, Norio, Pinto, Marcelo Tala, Pugh, Teznie, Quinn, Samuel N., Ricker, George, Rodriguez, David R., Rojas, Felipe I., Rose, Mark E., Rudat, Alexander, Sarkis, Paula, Savel, Arjun B., Schlecker, Martin, Schwarz, Richard P., Seager, Sara, Shporer, Avi, Smith, Jeffrey C., Stassun, Keivan G., Stockdale, Chris, Trifonov, Trifon, Vanderspek, Roland, Winn, Joshua N., Wright, Duncan
Hot and warm Jupiters might have undergone the same formation and evolution path, but the two populations exhibit different distributions of orbital parameters, challenging our understanding on their actual origin. The present work, which is the resu
Externí odkaz:
http://arxiv.org/abs/2408.05612
Autor:
Alqasim, A., Grieves, N., Rosário, N. M., Gandolfi, D., Livingston, J. H., Sousa, S., Collins, K. A., Teske, J. K., Fridlund, M., Egger, J. A., Cabrera, J., Hellier, C., Lanza, A. F., Van Eylen, V., Bouchy, F., Oelkers, R. J., Srdoc, G., Shectman, S., Günther, M., Goffo, E., Wilson, T., Serrano, L. M., Brandeker, A., Wang, S. X., Heitzmann, A., Bonfanti, A., Fossati, L., Alibert, Y., Delrez, L., Sefako, R., Barros, S., Collins, K. I., Demangeon, O. D. S., Albrecht, S. H., Alonso, R., Asquier, J., Barczy, T., Barrado, D., Baumjohann, W., Beck, T., Benz, W., Billot, N., Borsato, L., Broeg, C., Bryant, E. M., Butler, R. P., Cochran, W. D., Cameron, A. Collier, Correia, A. C. M., Crane, J. D., Csizmadia, Sz., Cubillos, P. E., Davies, M. B., Daylan, T., Deleuil, M., Deline, A., Demory, B. -O., Derekas, A., Edwards, B., Ehrenreich, D., Erikson, A., Essack, Z., Fortier, A., Gazeas, K., Gillon, M., Gudel, M., Hasiba, J., Hatzes, A. P., Helling, Ch., Hirano, T., Howell, S. B., Hoyer, S., Isaak, K. G., Jenkins, J. M., Kanodia, S., Kiss, L. L., Korth, J., Lam, K. W. F., Laskar, J., Etangs, A. Lecavelier des, Lendl, M., Lund, M. B., Luque, R., Mann, A. W., Magrin, D., Maxted, P. F. L., Mordasini, C., Narita, N., Nascimbeni, V., Nowak, G., Olofsson, G., Osborn, H. P., Osborne, H. L. M., Osip, D., Ottensamer, R., Pagano, I., Palle, E., Peter, G., Piotto, G., Pollacco, D., Queloz, D., Ragazzoni, R., Rando, N., Rauer, H., Redfield, S., Ribas, I., Rice, M., Ricker, G. R., Rieder, M., Salmon, S., Santos, N. C., Scandariato, G., Seager, S., Segransan, D., Shporer, A., Simon, A. E., Smith, A. M. S., Stalport, M., Szabo, Gy. M., Thompson, I., Twicken, J. D., Udry, S., Vanderspek, R., Van Grootel, V., Venturini, J., Villaver, E., Villaseñor, J., Viotto, V., Walter, I., Walton, N. A., Winn, J. N., Yee, S. W.
We report the spectroscopic confirmation and fundamental properties of TOI-757 b, a mini-Neptune on a 17.5-day orbit transiting a bright star ($V = 9.7$ mag) discovered by the TESS mission. We acquired high-precision radial velocity measurements with
Externí odkaz:
http://arxiv.org/abs/2407.20525
Autor:
Tey, Evan, Shporer, Avi, Lin, Zifan, Stassun, Keivan G., Lissauer, Jack J., Hellier, Coel, Collins, Karen A., Collins, Kevin I., Wingham, Geof, Relles, Howard M., Mallia, Franco, Isopi, Giovanni, Kielkopf, John F., Conti, Dennis M., Schwarz, Richard P., Zapparata, Aldo, Giacalone, Steven, Furlan, Elise, Hartman, Zachary D., Howell, Steve B., Scott, Nicholas J., Ziegler, Carl, Briceno, Cesar, Law, Nicholas, Mann, Andrew W., Charbonneau, David, Essack, Zahra, Striegel, Stephanie, Ricker, George R., Vanderspek, Roland, Seager, Sara, Winn, Joshua N., Jenkins, Jon M.
Publikováno v:
AJ, 167, 283 (2024)
We report the discovery of the transiting planet GJ 238 b, with a radius of $0.566\pm0.014$ R$_{\oplus}$ ($1.064\pm0.026$ times the radius of Mars) and an orbital period of 1.74 day. The transit signal was detected by the TESS mission and designated
Externí odkaz:
http://arxiv.org/abs/2407.18199
Autor:
Nies, Molly, Mireles, Ismael, Bouchy, François, Dragomir, Diana, Nicholson, Belinda A., Eisner, Nora L., Sousa, Sergio G., Collins, Karen A., Howell, Steve B., Ziegler, Carl, Hellier, Coel, Addison, Brett, Ballard, Sarah, Bowler, Brendan P., Briceño, César, Clark, Catherine A., Conti, Dennis M., Dumusque, Xavier, Edwards, Billy, Gnilka, Crystal L., Hobson, Melissa, Horner, Jonathan, Kane, Stephen R., Kielkopf, John, Lavie, Baptiste, Law, Nicholas, Lendl, Monika, Littlefield, Colin, Liu, Huigen, Mann, Andrew W., Mengel, Matthew W., Oddo, Dominic, Okumura, Jack, Palle, Enric, Plavchan, Peter, Psaridi, Angelica, Santos, Nuno C., Schwarz, Richard P., Shporer, Avi, Wittenmyer, Robert A., Wright, Duncan J., Zhang, Hui, Watanabe, David, Medina, Jennifer V., Villaseñor, Joel, Ting, Eric B., Christiansen, Jessie L., Winn, Joshua N., Stassun, Keivan G., Seager, S., Latham, David W., Ricker, George R.
We report the discovery and validation of HD 21520 b, a transiting planet found with TESS and orbiting a bright G dwarf (V=9.2, $T_{eff} = 5871 \pm 62$ K, $R_{\star} = 1.04\pm 0.02\, R_{\odot}$). HD 21520 b was originally alerted as a system (TOI-432
Externí odkaz:
http://arxiv.org/abs/2406.09595
Autor:
Freckelton, Alix V., Sebastian, Daniel, Mortier, Annelies, Triaud, Amaury H. M. J., Maxted, Pierre F. L., Acuña, Lorena, Armstrong, David J., Battley, Matthew P., Baycroft, Thomas A., Boisse, Isabelle, Bourrier, Vincent, Carmona, Andres, Coleman, Gavin A. L., Cameron, Andrew Collier, Cortés-Zuleta, Pía, Delfosse, Xavier, Dransfield, Georgina, Duck, Alison, Forveille, Thierry, French, Jenni R., Hara, Nathan, Heidari, Neda, Hellier, Coel, Kunovac, Vedad, Martin, David V., Martioli, Eder, McCormac, James J., Nelson, Richard P., Sairam, Lalitha, Sousa, Sérgio G., Standing, Matthew R., Willett, Emma
Planets orbiting binary systems are relatively unexplored compared to those around single stars. Detections of circumbinary planets and planetary systems offer a first detailed view into our understanding of circumbinary planet formation and dynamica
Externí odkaz:
http://arxiv.org/abs/2406.03094
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:
Brady, M., Bean, J., Seifahrt, A., Kasper, D., Luque, R., Stefánsson, G., Stürmer, J., Charbonneau, D., Collins, K., Doty, J., Essack, Z., Fukui, A., Horta, F. Grau, Hedges, C., Hellier, C., Jenkins, J., Narita, N., Quinn, S., Shporer, A., Schwarz, R., Seager, S., Stassun, K., Striegel, S., Watkins, C., Winn, J., Zambelli, R.
M dwarf stars provide us with an ideal opportunity to study nearby small planets. The HUMDRUM (HUnting for M Dwarf Rocky planets Using MAROON-X) survey uses the MAROON-X spectrograph, which is ideally suited to studying these stars, to measure precis
Externí odkaz:
http://arxiv.org/abs/2405.10400
Autor:
Battley, M. P., Collins, K. A., Ulmer-Moll, S., Quinn, S. N., Lendl, M., Gill, S., Brahm, R., Hobson, M. J., Osborn, H. P., Deline, A., Faria, J. P., Claringbold, A. B., Chakraborty, H., Stassun, K. G., Hellier, C., Alves, D. R., Ziegler, C., Anderson, D. R., Apergis, I., Armstrong, D. J., Bayliss, D., Beletsky, Y., Bieryla, A., Bouchy, F., Burleigh, M. R., Butler, R. P., Casewell, S. L., Christiansen, J. L., Crane, J. D., Dalba, P. A., Daylan, T., Figueira, P., Gillen, E., Goad, M. R., Günther, M. N., Henderson, B. A., Henning, T., Jenkins, J. S., Jordán, A., Kanodia, S., Kendall, A., Kunimoto, M., Latham, D. W., Levine, A. M., McCormac, J., Moyano, M., Osborn, A., Osip, D., Pritchard, T. A., Psaridi, A., Rice, M., Rodriguez, J. E., Saha, S., Seager, S., Shectman, S. A., Smith, A. M. S., Teske, J. K., Ting, E. B., Udry, S., Vines, J. I., Watson, C. A., West, R. G., Wheatley, P. J., Winn, J. N., Yee, S. W., Zhao, Y.
Long-period transiting exoplanets bridge the gap between the bulk of transit- and Doppler-based exoplanet discoveries, providing key insights into the formation and evolution of planetary systems. The wider separation between these planets and their
Externí odkaz:
http://arxiv.org/abs/2404.02974
Autor:
Goffo, E., Chaturvedi, P., Murgas, F., Morello, G., Orell-Miquel, J., Acuña, L., Peña-Moñino, L., Pallé, E., Hatzes, A. P., Geraldía-González, S., Pozuelos, F. J., Lanza, A. F., Gandolfi, D., Caballero, J. A., Schlecker, M., Pérez-Torres, M., Lodieu, N., Schweitzer, A., Hellier, C., Jeffers, S. V., Duque-Arribas, C., Cifuentes, C., Béjar, V. J. S., Daspute, M., Dubois, F., Dufoer, S., Esparza-Borges, E., Fukui, A., Hayashi, Y., Herrero, E., Mori, M., Narita, N., Parviainen, H., Tal-Or, L., Vanaverbeke, S., Hermelo, I., Amado, P. J., Dreizler, S., Henning, Th., Lillo-Box, J., Luque, R., Mallorquín, M., Nagel, E., Quirrenbach, A., Reffert, S., Reiners, A., Ribas, I., Schöfer, P., Tabernero, H. M., Zechmeister, M.
We report the confirmation and mass determination of a mini-Neptune transiting the M3.5 V star TOI-4438 (G 182-34) every 7.44 days. A transit signal was detected with NASA's TESS space mission in the sectors 40, 52, and 53. In order to validate the p
Externí odkaz:
http://arxiv.org/abs/2403.09833