Dr. Oscar Barragan Villanueva: Publications

K2-155: A Bright Metal-poor M Dwarf with Three Transiting Super-Earths

The Astronomical Journal American Astronomical Society 155:3 (2018) 124

Authors:

Teruyuki Hirano, Fei Dai, John H Livingston, Yuka Fujii, William D Cochran, Michael Endl, Davide Gandolfi, Seth Redfield, Joshua N Winn, Eike W Guenther, Jorge Prieto-Arranz, Simon Albrecht, Oscar Barragan, Juan Cabrera, P Wilson Cauley, Szilard Csizmadia, Hans Deeg, Philipp Eigmüller, Anders Erikson, Malcolm Fridlund, Akihiko Fukui, Sascha Grziwa, Artie P Hatzes, Judith Korth, Norio Narita, David Nespral, Prajwal Niraula, Grzegorz Nowak, Martin Pätzold, Enric Palle, Carina M Persson, Heike Rauer, Ignasi Ribas, Alexis MS Smith, Vincent Van Eylen

Three Small Planets Transiting a Hyades Star

The Astronomical Journal American Astronomical Society 155:3 (2018) 115

Authors:

John H Livingston, Fei Dai, Teruyuki Hirano, Davide Gandolfi, Grzegorz Nowak, Michael Endl, Sergio Velasco, Akihiko Fukui, Norio Narita, Jorge Prieto-Arranz, Oscar Barragan, Felice Cusano, Simon Albrecht, Juan Cabrera, William D Cochran, Szilard Csizmadia, Hans J Deeg, Philipp Eigmüller, Anders Erikson, Malcolm Fridlund, Sascha Grziwa, Eike W Guenther, Artie P Hatzes, Kiyoe Kawauchi, Judith Korth, David Nespral, Enric Palle, Martin Pätzold, Carina M Persson, Heike Rauer, Alexis MS Smith, Motohide Tamura, Yusuke Tanaka, Vincent Van Eylen, Noriharu Watanabe, Joshua N Winn

The Discovery and Mass Measurement of a New Ultra-short-period Planet: K2-131b

The Astronomical Journal American Astronomical Society 154:6 (2017) 226

Authors:

Fei Dai, Joshua N Winn, Davide Gandolfi, Sharon X Wang, Johanna K Teske, Jennifer Burt, Simon Albrecht, Oscar Barragán, William D Cochran, Michael Endl, Malcolm Fridlund, Artie P Hatzes, Teruyuki Hirano, Lea A Hirsch, Marshall C Johnson, Anders Bo Justesen, John Livingston, Carina M Persson, Jorge Prieto-Arranz, Andrew Vanderburg, Roi Alonso, Giuliano Antoniciello, Pamela Arriagada, RP Butler, Juan Cabrera, Jeffrey D Crane, Felice Cusano, Szilárd Csizmadia, Hans Deeg, Sergio B Dieterich, Philipp Eigmüller, Anders Erikson, Mark E Everett, Akihiko Fukui, Sascha Grziwa, Eike W Guenther, Gregory W Henry, Steve B Howell, John Asher Johnson, Judith Korth, Masayuki Kuzuhara, Norio Narita, David Nespral, Grzegorz Nowak, Enric Palle, Martin Pätzold, Heike Rauer, Pilar Montañés Rodríguez, Stephen A Shectman, Alexis MS Smith, Ian B Thompson, Vincent Van Eylen, Michael W Williamson, Robert A Wittenmyer

Three Super-Earths Transiting the Nearby Star GJ 9827

The Astronomical Journal American Astronomical Society 154:6 (2017) 266

Authors:

Prajwal Niraula, Seth Redfield, Fei Dai, Oscar Barragán, Davide Gandolfi, P Wilson Cauley, Teruyuki Hirano, Judith Korth, Alexis MS Smith, Jorge Prieto-Arranz, Sascha Grziwa, Malcolm Fridlund, Carina M Persson, Anders Bo Justesen, Joshua N Winn, Simon Albrecht, William D Cochran, Szilard Csizmadia, Girish M Duvvuri, Michael Endl, Artie P Hatzes, John H Livingston, Norio Narita, David Nespral, Grzegorz Nowak, Martin Pätzold, Enric Palle, Vincent Van Eylen

K2-106, a system containing a metal-rich planet and a planet of lower density⋆⋆⋆

Astronomy & Astrophysics EDP Sciences 608 (2017) a93

Authors:

EW Guenther, O Barragán, F Dai, D Gandolfi, T Hirano, M Fridlund, L Fossati, A Chau, R Helled, J Korth, J Prieto-Arranz, D Nespral, G Antoniciello, H Deeg, M Hjorth, S Grziwa, S Albrecht, AP Hatzes, H Rauer, Sz Csizmadia, AMS Smith, J Cabrera, N Narita, P Arriagada, J Burt, RP Butler, WD Cochran, JD Crane, Ph Eigmüller, A Erikson, JA Johnson, A Kiilerich, D Kubyshkina, E Palle, CM Persson, M Pätzold, S Sabotta, B Sato, A Shectman, JK Teske, IB Thompson, V Van Eylen, G Nowak, A Vanderburg, JN Winn, RA Wittenmyer

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