HD 191939: Three Sub-Neptunes Transiting a Sun-like Star Only 54 pc Away

Autor: Ignasi Ribas, Sara Seager, David W. Latham, Andrew Vanderburg, Roland Vanderspek, Prajwal Niraula, Jon M. Jenkins, Steve B. Howell, Joshua E. Schlieder, Benjamin J. Fulton, Elisabeth Matthews, Joshua N. Winn, Scott McDermott, Avi Shporer, Chelsea X. Huang, Michelle L. Hill, Karen A. Collins, Michael Fausnaugh, Martin Paegert, David R. Ciardi, Erica J. Gonzales, Ian J. M. Crossfield, Enric Palle, Thomas Barclay, Grzegorz Nowak, Allyson Bieryla, Mariona Badenas-Agusti, Pere Guerra Serra, Thomas Mikal-Evans, Zafar Rustamkulov, Benjamin V. Rackham, Douglas A. Caldwell, Tansu Daylan, Joseph D. Twicken, Joshua Pepper, Keivan G. Stassun, Maximilian N. Günther, Mark E. Rose, Oriol Abril-Pla, George R. Ricker, Stephen R. Kane

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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We present the discovery of three sub-Neptune-sized planets transiting the nearby and bright Sun-like star HD 191939 (TIC 269701147, TOI 1339), a K s = 7.18 mag G8 V dwarf at a distance of only 54 pc. We validate the planetary nature of the transit s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53147edd5332f8ee536c9723e2f4ace2

TESS Discovery of a Super-Earth and Three Sub-Neptunes Hosted by the Bright, Sun-like Star HD 108236

Autor: Benjamin V. Rackham, Edward H. Morgan, Richard P. Schwarz, Jasmine Wright, George R. Ricker, Elise Furlan, Sara Seager, Maximilian N. Günther, Joshua N. Winn, Karen A. Collins, Thomas Mikal-Evans, Jack J. Lissauer, Steve B. Howell, K. I. Collins, N. Scott, Andrew Vanderburg, David R. Ciardi, Samuel N. Quinn, Tansu Daylan, Keivan G. Stassun, Hans Martin Schwengeler, Jon M. Jenkins, Roland Vanderspek, Martti H. Kristiansen, Jeffrey D. Crane, Stephen A. Shectman, Joseph D. Twicken, David R. Anderson, Joseph E. Rodriguez, Johanna Teske, Stephen R. Kane, Eric L. N. Jensen, David Charbonneau, Christopher E. Henze, R. Cloutier, Özgür Baştürk, Rachel A. Matson, Avi Shporer, Chelsea X. Huang, Mariona Badenas-Agusti, Elisa V. Quintana, Bob Massey, Carl Ziegler, Benjamin J. Fulton, Coel Hellier, R. Paul Butler, Nicholas M. Law, P. Guerra, Abderahmane Soubkiou, Kartik Pingle, Andrew W. Mann, Benkhaldoun Zouhair, Eric B. Ting, John F. Kielkopf, Ivan Terentev, Cesar Briceno, J. M. Irwin, Daniel Jontof-Hutter, Luke G. Bouma, William Fong, G. Furesz, Zachory K. Berta-Thompson

Publikováno v: Daylan, T, Pinglé, K, Wright, J, Günther, M N, Stassun, K G, Kane, S R, Vanderburg, A, Jontof-Hutter, D, Rodriguez, J E, Shporer, A, Huang, C X, Mikal-Evans, T, Badenas-Agusti, M, Collins, K A, Rackham, B V, Quinn, S N, Cloutier, R, Collins, K I, Guerra, P, Jensen, E L N, Kielkopf, J F, Massey, B, Schwarz, R P, Charbonneau, D, Lissauer, J J, Irwin, J M, Baştürk, Ö, Fulton, B, Soubkiou, A, Zouhair, B, Howell, S B, Ziegler, C, Briceño, C, Law, N, Mann, A W, Scott, N, Furlan, E, Ciardi, D R, Matson, R, Hellier, C, Anderson, D R, Butler, R P, Crane, J D, Teske, J K, Shectman, S A, Kristiansen, M H, Terentev, I A, Schwengeler, H M, Ricker, G R, Vanderspek, R, Seager, S, Winn, J N, Jenkins, J M, Berta-Thompson, Z K, Bouma, L G, Fong, W, Furesz, G, Henze, C E, Morgan, E H, Quintana, E, Ting, E B & Twicken, J D 2021, ' TESS Discovery of a Super-Earth and Three Sub-Neptunes Hosted by the Bright, Sun-like Star HD 108236 ', Astrophysical Journal, vol. 161, no. 2, 85 . https://doi.org/10.3847/1538-3881/abd73e

We report the discovery and validation of four extrasolar planets hosted by the nearby, bright, Sun-like (G3V) star HD~108236 using data from the Transiting Exoplanet Survey Satellite (TESS). We present transit photometry, reconnaissance and precise

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b07c10179cd42ed034d22e82b197c12
https://doi.org/10.3847/1538-3881/abd73e

The quadruple pre-main sequence system LkCa3: Implications for stellar evolution models

Autor: David W. Latham, Dary Ruíz-Rodríguez, Mariona Badenas, Gail Schaefer, Robert D. Mathieu, Lawrence H. Wasserman, Lisa Prato, Guillermo Torres

We report the discovery that the pre-main sequence object LkCa3 in the Taurus-Auriga star-forming region is a hierarchical quadruple system of M stars. It was previously known to be a close (~0.5 arc sec) visual pair, with one component being a moder

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1ef6e07173838b6e08af41f8e67274e

THE K2-ESPRINT PROJECT. II. SPECTROSCOPIC FOLLOW-UP OF THREE EXOPLANET SYSTEMS FROM CAMPAIGN 1 OF K2.

Autor: Vincent Van Eylen, Grzegorz Nowak, Simon Albrecht, Enric Palle, Ignasi Ribas, Hans Bruntt, Manuel Perger, Davide Gandolfi, Teriyuki Hirano, Roberto Sanchis-Ojeda, Amanda Kiilerich, Jorge Prieto-Arranz, Mariona Badenas, Fei Dai, Hans J. Deeg, Eike W. Guenther, Pilar Montañés-Rodríguez, Norio Narita, Leslie A. Rogers, Víctor J. S. Béjar

Publikováno v: Astrophysical Journal; 3/20/2016, Vol. 820 Issue 1, p1-1, 1p