JWST Directly Images Giant Planet Candidates Around Two Metal-polluted White Dwarf Stars

Autor: Susan E. Mullally, John Debes, Misty Cracraft, Fergal Mullally, Sabrina Poulsen, Loic Albert, Katherine Thibault, William T. Reach, J. J. Hermes, Thomas Barclay, Mukremin Kilic, Elisa V. Quintana

Publikováno v: The Astrophysical Journal Letters, Vol 962, Iss 2, p L32 (2024)

We report the discovery of two directly imaged, giant planet candidates orbiting the metal-rich, hydrogen atmosphere white dwarfs WD 1202−232 and WD 2105−82. JWST’s Mid-Infrared Instrument (MIRI) data on these two stars show a nearby resolved s

Externí odkaz: https://doaj.org/article/f8f8b740b16f4d1eb2904ad542996a59

Two Warm Super-Earths Transiting the Nearby M Dwarf TOI-2095

Autor: Elisa V. Quintana, Emily A. Gilbert, Thomas Barclay, Michele L. Silverstein, Joshua E. Schlieder, Ryan Cloutier, Samuel N. Quinn, Joseph E. Rodriguez, Andrew Vanderburg, Benjamin J. Hord, Dana R. Louie, Colby Ostberg, Stephen R. Kane, Kelsey Hoffman, Jason F. Rowe, Giada N. Arney, Prabal Saxena, Taran Richardson, Matthew S. Clement, Nicholas M. Kartvedt, Fred C. Adams, Marcus Alfred, Travis Berger, Allyson Bieryla, Paul Bonney, Patricia Boyd, Charles Cadieux, Douglas Caldwell, David R. Ciardi, David Charbonneau, Karen A. Collins, Knicole D. Colón, Dennis M. Conti, Mario Di Sora, Shawn Domagal-Goldman, Jessie Dotson, Thomas Fauchez, Erica J. Gonzales, Maximilian N. Günther, Christina Hedges, Giovanni Isopi, Erika Kohler, Ravi Kopparapu, Veselin B. Kostov, Jeffrey A. Larsen, Eric Lopez, Franco Mallia, Avi Mandell, Susan E. Mullally, Rishi R. Paudel, Brian P. Powell, George R. Ricker, Boris S. Safonov, Richard P. Schwarz, Ramotholo Sefako, Keivan G. Stassun, Robert Wilson, Joshua N. Winn, Roland K. Vanderspek

Publikováno v: The Astronomical Journal, Vol 166, Iss 5, p 195 (2023)

We report the detection and validation of two planets orbiting TOI-2095 (TIC 235678745). The host star is a 3700 K M1V dwarf with a high proper motion. The star lies at a distance of 42 pc in a sparsely populated portion of the sky and is bright in t

Externí odkaz: https://doaj.org/article/c14c5c33fc0a408f8395001e7f73b40b

False Alarms Revealed in a Planet Search of TESS Light Curves

Autor: Michelle Kunimoto, Steve Bryson, Tansu Daylan, Jack J. Lissauer, Michael R. B. Matesic, Susan E. Mullally, Jason F. Rowe

We examined the period distribution of transit-like signatures uncovered in a Box-Least Squares transit search of TESS light curves, and show significant pileups at periods related to instrumental and astrophysical noise sources. Signatures uncovered

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fdb9b38a80f56ecf1fd8b8eeb967a6e
http://arxiv.org/abs/2301.01900

The JWST Early Release Observations

Autor: Klaus M. Pontoppidan, Jaclyn Barrientes, Claire Blome, Hannah Braun, Matthew Brown, Margaret Carruthers, Dan Coe, Joseph DePasquale, Néstor Espinoza, Macarena Garcia Marin, Karl D. Gordon, Alaina Henry, Leah Hustak, Andi James, Ann Jenkins, Anton M. Koekemoer, Stephanie LaMassa, David Law, Alexandra Lockwood, Amaya Moro-Martin, Susan E. Mullally, Alyssa Pagan, Dani Player, Charles Proffitt, Christine Pulliam, Leah Ramsay, Swara Ravindranath, Neill Reid, Massimo Robberto, Elena Sabbi, Leonardo Ubeda, Michael Balogh, Kathryn Flanagan, Jonathan Gardner, Hashima Hasan, Bonnie Meinke, Antonella Nota

The James Webb Space Telescope (JWST) Early Release Observations (EROs) is a set of public outreach products created to mark the end of commissioning and the beginning of science operations for JWST. Colloquially known as the "Webb First Images and S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4336a64125d963f56861f0ffa3135899
http://arxiv.org/abs/2207.13067

Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley

Autor: V. Van Eylen, M. Esposito, D. A. Caldwell, Sara Seager, David Charbonneau, M. R. Zapatero Osorio, René Doyon, K. W. F. Lam, J. R. De Medeiros, Xavier Bonfils, Carina M. Persson, Nuno C. Santos, Judith Korth, A. Suárez Mascareño, Fei Dai, Teriyuki Hirano, C. Lovis, Enric Palle, Norio Narita, Francesco Pepe, A. P. Hatzes, Jon M. Jenkins, Hannah L. M. Osborne, Anders Bo Justesen, Nicola Astudillo-Defru, Thomas Mikal-Evans, Felipe Murgas, J. Cabrera, Iskra Georgieva, Davide Gandolfi, Savita Mathur, Grzegorz Nowak, Gábor Fűrész, E. Goffo, X. Delfosse, Eike W. Guenther, David W. Latham, François Bouchy, Baptiste Lavie, Rodrigo F. Díaz, Étienne Artigau, C. S. K. Ho, Ronald E. Mennickent, Stéphane Udry, Petr Kabath, John H. Livingston, T. Forveille, Roland Vanderspek, George R. Ricker, James E. Owen, Seth Redfield, J. D. Twicken, B. Campos Estrada, J. Šubjak, William D. Cochran, Mario Damasso, Daniel Foreman-Mackey, Simon Albrecht, S. Grziwa, Jose-Manuel Almenara, Joshua N. Winn, Susan E. Mullally, L. M. Serrano, P. Figueira, Alexis M. S. Smith, M. Fridlund, Oscar Barragán, S. C. C. Barros, Rafael Luque, Szilard Csizmadia, Emil Knudstrup, Priyanka Chaturvedi

Publikováno v: Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P-Oxford Open Option A, 2021, ⟨10.1093/mnras/stab2143⟩
Van Eylen, V, Astudillo-Defru, N, Bonfils, X, Livingston, J, Hirano, T, Luque, R, Lam, K W F, Justesen, A B, Winn, J N, Gandolfi, D, Nowak, G, Palle, E, Albrecht, S, Dai, F, Campos Estrada, B, Owen, J E, Foreman-Mackey, D, Fridlund, M, Korth, J, Mathur, S, Forveille, T, Mikal-Evans, T, Osborne, H L M, Ho, C S K, Almenara, J M, Artigau, E, Barragán, O, Barros, S C C, Bouchy, F, Cabrera, J, Caldwell, D A, Charbonneau, D, Chaturvedi, P, Cochran, W D, Csizmadia, S, Damasso, M, Delfosse, X, De Medeiros, J R, Díaz, R F, Doyon, R, Esposito, M, Furész, G, Figueira, P, Georgieva, I, Goffo, E, Grziwa, S, Guenther, E, Hatzes, A P, Jenkins, J M, Kabath, P, Knudstrup, E, Latham, D W, Lavie, B, Lovis, C, Mennickent, R E, Mullally, S E, Murgas, F, Narita, N, Pepe, F A, Persson, C M, Redfield, S, Ricker, G R, Santos, N C, Seager, S, Serrano, L M, Smith, A M S, Mascareño, A S, Subjak, J, Twicken, J D, Udry, S, Vanderspek, R & Zapatero Osorio, M R 2021, ' Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley ', Monthly Notices of the Royal Astronomical Society, vol. 507, no. 2, pp. 2154-2173 . https://doi.org/10.1093/mnras/stab2143
Monthly Notices of the Royal Astronomical Society, 507(2), 2154-2173
Vincent, V E, Astudillo-Defru, N, Bonfils, X, Hirano, T, Luque, R, Lam, K W, Justesen, A B, Winn, J N, Gandolfi, D, Nowak, G, Palle, E, Albrecht, S, Dai, F, Campos Estrada, B, Owen, J E, Foreman-Mackey, D, Fridlund, M, Korth, J & Mathur, S 2021, ' Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley ', Monthly Notices of the Royal Astronomical Society, vol. 507, no. 2, pp. 2154-2173 . https://doi.org/10.1093/mnras/stab2143

We report on precise Doppler measurements of L231-32 (TOI-270), a nearby M dwarf ($d=22$ pc, $M_\star = 0.39$ M$_\odot$, $R_\star = 0.38$ R$_\odot$), which hosts three transiting planets that were recently discovered using data from the Transiting Ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab7ea93c67347fffdd9c13396a06b4b4
https://resolver.caltech.edu/CaltechAUTHORS:20211105-215008827