Search Results - "Barkaoui, Khalid"

Stellar Parameters for Trappist-1 by Grootel, Valérie Van, Fernandes, Catarina S., Gillon, Michael, Jehin, Emmanuel, Manfroid, Jean, Scuflaire, Richard, Burgasser, Adam J., Barkaoui, Khalid, Benkhaldoun, Zouhair, Burdanov, Artem, Delrez, Laetitia, Demory, Brice-Olivier, Wit, Julien de, Queloz, Didier, Triaud, Amaury H. M. J.

“…TRAPPIST-1 is an ultracool dwarf star transited by seven Earth-sized planets, for which thorough characterization of atmospheric properties, surface conditions…”
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Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems by Rice, Malena, Wang, Xian-Yu, Wang, Songhu, Shporer, Avi, Barkaoui, Khalid, Brahm, Rafael, Collins, Karen A., Jordán, Andrés, Lowson, Nataliea, Butler, R. Paul, Crane, Jeffrey D., Shectman, Stephen, Teske, Johanna K., Osip, David, Collins, Kevin I., Murgas, Felipe, Boyle, Gavin, Pozuelos, Francisco J., Timmermans, Mathilde, Jehin, Emmanuel, Gillon, Michaël

“…Abstract The geometries of near-resonant planetary systems offer a relatively pristine window into the initial conditions of exoplanet systems. Given that…”
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Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1 by Gillon, Michaël, Triaud, Amaury H. M. J., Demory, Brice-Olivier, Jehin, Emmanuël, Agol, Eric, Deck, Katherine M., Lederer, Susan M., de Wit, Julien, Burdanov, Artem, Ingalls, James G., Bolmont, Emeline, Leconte, Jeremy, Raymond, Sean N., Selsis, Franck, Turbet, Martin, Barkaoui, Khalid, Burgasser, Adam, Burleigh, Matthew R., Carey, Sean J., Chaushev, Aleksander, Copperwheat, Chris M., Delrez, Laetitia, Fernandes, Catarina S., Holdsworth, Daniel L., Kotze, Enrico J., Van Grootel, Valérie, Almleaky, Yaseen, Benkhaldoun, Zouhair, Magain, Pierre, Queloz, Didier

“…Last year, three Earth-sized planets were discovered to be orbiting the nearby Jupiter-sized star TRAPPIST-1; now, follow-up photometric observations from the…”
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Refining the Transit-timing and Photometric Analysis of TRAPPIST-1: Masses, Radii, Densities, Dynamics, and Ephemerides by Agol, Eric, Dorn, Caroline, Grimm, Simon L., Turbet, Martin, Ducrot, Elsa, Delrez, Laetitia, Gillon, Michaël, Demory, Brice-Olivier, Burdanov, Artem, Barkaoui, Khalid, Benkhaldoun, Zouhair, Bolmont, Emeline, Burgasser, Adam, Carey, Sean, Wit, Julien de, Fabrycky, Daniel, Foreman-Mackey, Daniel, Haldemann, Jonas, Hernandez, David M., Ingalls, James, Jehin, Emmanuel, Langford, Zachary, Leconte, Jérémy, Lederer, Susan M., Luger, Rodrigo, Malhotra, Renu, Meadows, Victoria S., Morris, Brett M., Pozuelos, Francisco J., Queloz, Didier, Raymond, Sean N., Selsis, Franck, Sestovic, Marko, Triaud, Amaury H. M. J., Grootel, Valerie Van

“…We have collected transit times for the TRAPPIST-1 system with the Spitzer Space Telescope over four years. We add to these ground-based, HST, and K2…”
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SPECULOOS Northern Observatory: Searching for Red Worlds in the Northern Skies by Burdanov, Artem Y., Wit, Julien de, Gillon, Michaël, Rebolo, Rafael, Sebastian, Daniel, Alonso, Roi, Sohy, Sandrine, Niraula, Prajwal, Garcia, Lionel, Barkaoui, Khalid, Chinchilla, Patricia, Ducrot, Elsa, Murray, Catriona A., Pedersen, Peter P., Jehin, Emmanuël, McCormac, James, Zúñiga-Fernández, Sebastián

“…Abstract SPECULOOS is a ground-based transit survey consisting of six identical 1 m robotic telescopes. The immediate goal of the project is to detect…”
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Occurrence Rate of Hot Jupiters Around Early-type M Dwarfs Based on Transiting Exoplanet Survey Satellite Data by Gan, Tianjun, Wang, Sharon X., Wang, Songhu, Mao, Shude, Huang, Chelsea X., Collins, Karen A., Stassun, Keivan G., Shporer, Avi, Zhu, Wei, Ricker, George R., Vanderspek, Roland, Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Barkaoui, Khalid, Belinski, Alexander A., Ciardi, David R., Evans, Phil, Girardin, Eric, Maslennikova, Nataliia A., Mazeh, Tsevi, Panahi, Aviad, Pozuelos, Francisco J., Radford, Don J., Schwarz, Richard P., Twicken, Joseph D., Wünsche, Anaël, Zucker, Shay

“…Abstract We present an estimate of the occurrence rate of hot Jupiters (7 R ⊕ ≤ R p ≤ 2 R J , 0.8 ≤ P b ≤ 10 days) around early-type M dwarfs based on stars…”
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HATS-74Ab, HATS-75b, HATS-76b, and HATS-77b: Four Transiting Giant Planets Around K and M Dwarfs by Jordán, Andrés, Hartman, J. D., Bayliss, D., Bakos, G. Á., Brahm, R., Bryant, E. M., Csubry, Z., Henning, Th, Hobson, M., Mancini, L., Penev, K., Rabus, M., Suc, V., de Val-Borro, M., Wallace, J., Barkaoui, K., Ciardi, David R., Collins, K. A., Esparza-Borges, E., Furlan, E., Gan, T., Benkhaldoun, Z., Ghachoui, M., Gillon, M., Howell, S., Jehin, E., Fukui, A., Kawauchi, K., Livingston, J. H., Luque, R., Matson, R., Matthews, E. C., Osborn, H. P., Murgas, F., Narita, Norio, Palle, E., Parvianen, H., Waalkes, W. C.

“…Abstract The relative rarity of giant planets around low-mass stars compared with solar-type stars is a key prediction from the core-accretion planet formation…”
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Evidence for Low-level Dynamical Excitation in Near-resonant Exoplanet Systems This paper includes data gathered with the 6.5 meter Magellan Telescopes located at Las Campanas Observatory, Chile by Rice, Malena, Wang, Xian-Yu, Wang, Songhu, Shporer, Avi, Barkaoui, Khalid, Brahm, Rafael, Collins, Karen A., Jordán, Andrés, Lowson, Nataliea, Butler, R. Paul, Crane, Jeffrey D., Shectman, Stephen, Teske, Johanna K., Osip, David, Collins, Kevin I., Murgas, Felipe, Boyle, Gavin, Pozuelos, Francisco J., Timmermans, Mathilde, Jehin, Emmanuel, Gillon, Michaël

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A 1.55 R⊕ habitable-zone planet hosted by TOI-715, an M4 star near the ecliptic South Pole by Dransfield, Georgina, Timmermans, Mathilde, Triaud, Amaury H M J, Dévora-Pajares, Martín, Aganze, Christian, Barkaoui, Khalid, Burgasser, Adam J, Collins, Karen A, Cointepas, Marion, Ducrot, Elsa, Günther, Maximilian N, Howell, Steve B, Murray, Catriona A, Niraula, Prajwal, Rackham, Benjamin V, Sebastian, Daniel, Stassun, Keivan G, Zúñiga-Fernández, Sebastián, Almenara, José Manuel, Bonfils, Xavier, Bouchy, François, Burke, Christopher J, Charbonneau, David, Christiansen, Jessie L, Delrez, Laetitia, Gan, Tianjun, García, Lionel J, Gillon, Michaël, Gómez Maqueo Chew, Yilen, Hesse, Katharine M, Hooton, Matthew J, Isopi, Giovanni, Jehin, Emmanuël, Jenkins, Jon M, Latham, David W, Mallia, Franco, Murgas, Felipe, Pedersen, Peter P, Pozuelos, Francisco J, Queloz, Didier, Rodriguez, David R, Schanche, Nicole, Seager, Sara, Srdoc, Gregor, Stockdale, Chris, Twicken, Joseph D, Vanderspek, Roland, Wells, Robert, Winn, Joshua N, de Wit, Julien, Zapparata, Aldo

“…ABSTRACT A new generation of observatories is enabling detailed study of exoplanetary atmospheres and the diversity of alien climates, allowing us to seek…”
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A temperate Earth-sized planet with tidal heating transiting an M6 star by Peterson, Merrin S., Benneke, Björn, Collins, Karen, Piaulet, Caroline, Crossfield, Ian J. M., Ali-Dib, Mohamad, Christiansen, Jessie L., Gagné, Jonathan, Faherty, Jackie, Kite, Edwin, Dressing, Courtney, Charbonneau, David, Murgas, Felipe, Cointepas, Marion, Almenara, Jose Manuel, Bonfils, Xavier, Kane, Stephen, Werner, Michael W., Gorjian, Varoujan, Roy, Pierre-Alexis, Shporer, Avi, Pozuelos, Francisco J., Socia, Quentin Jay, Cloutier, Ryan, Dietrich, Jamie, Irwin, Jonathan, Weiss, Lauren, Waalkes, William, Berta-Thomson, Zach, Evans, Thomas, Apai, Daniel, Parviainen, Hannu, Pallé, Enric, Narita, Norio, Howard, Andrew W., Dragomir, Diana, Barkaoui, Khalid, Gillon, Michaël, Jehin, Emmanuel, Ducrot, Elsa, Benkhaldoun, Zouhair, Fukui, Akihiko, Mori, Mayuko, Nishiumi, Taku, Kawauchi, Kiyoe, Ricker, George, Latham, David W., Winn, Joshua N., Seager, Sara, Isaacson, Howard, Bixel, Alex, Gibbs, Aidan, Jenkins, Jon M., Smith, Jeffrey C., Chavez, Jose Perez, Rackham, Benjamin V., Henning, Thomas, Gabor, Paul, Chen, Wen-Ping, Espinoza, Nestor, Jensen, Eric L. N., Collins, Kevin I., Schwarz, Richard P., Conti, Dennis M., Wang, Gavin, Kielkopf, John F., Mao, Shude, Horne, Keith, Sefako, Ramotholo, Quinn, Samuel N., Moldovan, Dan, Fausnaugh, Michael, Fűűrész, Gábor, Barclay, Thomas

“…Temperate Earth-sized exoplanets around late-M dwarfs offer a rare opportunity to explore under which conditions planets can develop hospitable climate…”
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Three Warm Jupiters around Solar-analog Stars Detected with TESS Based on observations collected at the European Organization for Astronomical Research in the Southern Hemisphere under MPG programmes 0104.A-9007(A) and 0106.A-9014(A) by Eberhardt, Jan, Hobson, Melissa J., Henning, Thomas, Trifonov, Trifon, Brahm, Rafael, Espinoza, Nestor, Jordán, Andrés, Thorngren, Daniel, Burn, Remo, Rojas, Felipe I., Sarkis, Paula, Schlecker, Martin, Tala Pinto, Marcelo, Barkaoui, Khalid, Schwarz, Richard P., Suarez, Olga, Guillot, Tristan, Triaud, Amaury H. M. J., Günther, Maximilian N., Abe, Lyu, Boyle, Gavin, Leiva, Rodrigo, Suc, Vincent, Evans, Phil, Dunckel, Nick, Ziegler, Carl, Falk, Ben, Fong, William, Rudat, Alexander, Shporer, Avi, Striegel, Stephanie, Watanabe, David, Jenkins, Jon M., Seager, Sara, Winn, Joshua N.

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Discovery of a pre-cataclysmic binary with unusual chromaticity of the eclipsed white dwarf by the GPX survey by Krushinsky, Vadim, Benni, Paul, Burdanov, Artem, Antokhin, Igor, Antokhina, Eleonora, Jehin, Emmanuël, Barkaoui, Khalid, Fitzsimmons, Alan, Gibson, Christopher, Gillon, Michaël, Popov, Alexander, Baştürk, Özgür, Benkhaldoun, Zouhair, Marchini, Alessandro, Papini, Riccardo, Salvaggio, Fabio, Brazhko, Varvara

“…ABSTRACT We report the discovery of a relatively bright eclipsing binary system, which consists of a white dwarf (WD) and a main-sequence K7 star with clear…”
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NEID Rossiter–McLaughlin Measurement of TOI-1268b: A Young Warm Saturn Aligned with Its Cool Host Star by Dong, Jiayin, Huang, Chelsea X., Zhou, George, Dawson, Rebekah I., Stefánsson, Gumundur K., Bender, Chad F., Blake, Cullen H., Ford, Eric B., Halverson, Samuel, Kanodia, Shubham, Mahadevan, Suvrath, McElwain, Michael W., Ninan, Joe P., Robertson, Paul, Roy, Arpita, Schwab, Christian, Stevens, Daniel J., Terrien, Ryan C., Vanderburg, Andrew, Kraus, Adam L., Douglas, Stephanie, Newton, Elisabeth, Rampalli, Rayna, Krolikowski, Daniel M., Collins, Karen A., Rodriguez, Joseph E., Feliz, Dax L., Srdoc, Gregor, Ziegler, Carl, Barkaoui, Khalid, Pozuelos, Francisco J., Jehin, Emmanuel, Michaël, C., Benkhaldoun, Zouhair, Lewin, Pablo, Forés-Toribio, Raquel, Muñoz, Jose A., McLeod, Kim K., Özyurt, Fiona Powers, Horta, Ferran Grau, Murgas, Felipe, Latham, David W., Quinn, Samuel N., Bieryla, Allyson, Howell, Steve B., Gnilka, Crystal L., Ciardi, David R., Lund, Michael B., Dressing, Courtney D., Giacalone, Steven, Savel, Arjun B., Strakhov, Ivan A., Belinski, Alexander A., Ricker, George R., Seager, S., Winn, Joshua N., Jenkins, Jon M., Torres, Guillermo, Paegert, Martin

“…Abstract Close-in gas giants present a surprising range of stellar obliquity, the angle between a planet’s orbital axis and its host star’s spin axis. It is…”
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TOI-2379 b and TOI-2384 b: two super-Jupiter mass planets transiting low-mass host stars by Bryant, Edward M, Bayliss, Daniel, Hartman, Joel D, Sedaghati, Elyar, Hobson, Melissa J, Jordán, Andrés, Brahm, Rafael, Bakos, Gaspar Á, Almenara, Jose Manuel, Barkaoui, Khalid, Bonfils, Xavier, Cointepas, Marion, Collins, Karen A, Dransfield, Georgina, Evans, Phil, Gillon, Michaël, Jehin, Emmanuël, Murgas, Felipe, Pozuelos, Francisco J, Schwarz, Richard P, Timmermans, Mathilde, Watkins, Cristilyn N, Wünsche, Anaël, Butler, R Paul, Crane, Jeffrey D, Shectman, Steve, Teske, Johanna K, Charbonneau, David, Essack, Zahra, Jenkins, Jon M, Lewis, Hannah M, Seager, Sara, Ting, Eric B, Winn, Joshua N

“…ABSTRACT Short-period gas giant planets have been shown to be significantly rarer for host stars less massive than the Sun. We report the discovery of two…”
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TOI 762 A b and TIC 46432937 b: Two Giant Planets Transiting M-dwarf Stars by Hartman, Joel D., Bayliss, Daniel, Brahm, Rafael, Bryant, Edward M., Jordán, Andrés, Bakos, Gáspár Á., Hobson, Melissa J., Sedaghati, Elyar, Bonfils, Xavier, Cointepas, Marion, Almenara, Jose Manuel, Barkaoui, Khalid, Timmermans, Mathilde, Dransfield, George, Ducrot, Elsa, Zúñiga-Fernández, Sebastián, Hooton, Matthew J., Pedersen, Peter Pihlmann, Pozuelos, Francisco J., Triaud, Amaury H. M. J., Gillon, Michaël, Jehin, Emmanuel, Waalkes, William C., Berta-Thompson, Zachory K., Howell, Steve B., Furlan, Elise, Ricker, George R., Vanderspek, Roland, Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Rapetti, David, Collins, Karen A., Charbonneau, David, Burke, Christopher J., Rodriguez, David R.

“…Abstract We present the discovery of TOI 762 A b and TIC 46432937 b, two giant planets transiting M-dwarf stars. Transits of both systems were first detected…”
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An M dwarf accompanied by a close-in giant orbiter with SPECULOOS by Triaud, Amaury H M J, Dransfield, Georgina, Kagetani, Taiki, Timmermans, Mathilde, Narita, Norio, Barkaoui, Khalid, Hirano, Teruyuki, Rackham, Benjamin V, Mori, Mayuko, Baycroft, Thomas, Benkhaldoun, Zouhair, Burgasser, Adam J, Caldwell, Douglas A, Collins, Karen A, Davis, Yasmin T, Delrez, Laetitia, Demory, Brice-Oliver, Ducrot, Elsa, Fukui, Akihiko, Muñoz, Clàudia Jano, Jehin, Emmanuël, García, Lionel J, Ghachoui, Mourad, Gillon, Michaël, Chew, Yilen Gómez Maqueo, Hooton, Matthew J, Ikoma, Masahiro, Kawauchi, Kiyoe, Kotani, Takayuki, Levine, Alan M, Pallé, Enric, Pedersen, Peter P, Pozuelos, Francisco J, Queloz, Didier, Scutt, Owen J, Seager, Sara, Sebastian, Daniel, Tamura, Motohide, Thompson, Samantha, Watanabe, Noriharu, de Wit, Julien, Winn, Joshua N, Zúñiga-Fernández, Sebastián

“…ABSTRACT In the last decade, a dozen close-in giant planets have been discovered orbiting stars with spectral types ranging from M0 to M4, a mystery since…”
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NGTS-28Ab: a short period transiting brown dwarf by Henderson, Beth A, Casewell, Sarah L, Goad, Michael R, Acton, Jack S, Günther, Maximilian N, Nielsen, Louise D, Burleigh, Matthew R, Belardi, Claudia, Tilbrook, Rosanna H, Turner, Oliver, Howell, Steve B, Clark, Catherine A, Littlefield, Colin, Barkaoui, Khalid, Alves, Douglas R, Anderson, David R, Bayliss, Daniel, Bouchy, Francois, Bryant, Edward M, Dransfield, George, Ducrot, Elsa, Eigmüller, Philipp, Gill, Samuel, Gillen, Edward, Gillon, Michaël, Hawthorn, Faith, Hooton, Matthew J, Jackman, James A G, Jehin, Emmanuel, Jenkins, James S, Kendall, Alicia, Lendl, Monika, McCormac, James, Moyano, Maximiliano, Pedersen, Peter Pihlmann, Pozuelos, Francisco J, Ramsay, Gavin, Sefako, Ramotholo R, Timmermans, Mathilde, Triaud, Amaury H M J, Udry, Stephane, Vines, Jose I, Watson, Christopher A, West, Richard G, Wheatley, Peter J, Zúñiga-Fernández, Sebastián

“…ABSTRACT We report the discovery of a brown dwarf orbiting a M1 host star. We first identified the brown dwarf within the Next Generation Transit Survey data,…”
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Three Warm Jupiters around Solar-analog Stars Detected with TESS by Eberhardt, Jan, Hobson, Melissa J., Henning, Thomas, Trifonov, Trifon, Brahm, Rafael, Espinoza, Nestor, Jordán, Andrés, Thorngren, Daniel, Burn, Remo, Rojas, Felipe I., Sarkis, Paula, Schlecker, Martin, Tala Pinto, Marcelo, Barkaoui, Khalid, Schwarz, Richard P., Suarez, Olga, Guillot, Tristan, Triaud, Amaury H. M. J., Günther, Maximilian N., Abe, Lyu, Boyle, Gavin, Leiva, Rodrigo, Suc, Vincent, Evans, Phil, Dunckel, Nick, Ziegler, Carl, Falk, Ben, Fong, William, Rudat, Alexander, Shporer, Avi, Striegel, Stephanie, Watanabe, David, Jenkins, Jon M., Seager, Sara, Winn, Joshua N.

“…Abstract We report the discovery and characterization of three giant exoplanets orbiting solar-analog stars, detected by the TESS space mission and confirmed…”
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TOI-3235 b: A Transiting Giant Planet around an M4 Dwarf Star by Hobson, Melissa J., Jordán, Andrés, Bryant, E. M., Brahm, R., Bayliss, D., Hartman, J. D., Bakos, G. Á., Henning, Th, Almenara, Jose Manuel, Barkaoui, Khalid, Benkhaldoun, Zouhair, Bonfils, Xavier, Bouchy, François, Charbonneau, David, Cointepas, Marion, Collins, Karen A., Eastman, Jason D., Ghachoui, Mourad, Gillon, Michaël, Goeke, Robert F., Horne, Keith, Irwin, Jonathan M., Jehin, Emmanuel, Jenkins, Jon M., Latham, David W., Moldovan, Dan, Murgas, Felipe, Pozuelos, Francisco J., Ricker, George R., Schwarz, Richard P., Seager, S., Srdoc, Gregor, Striegel, Stephanie, Timmermans, Mathilde, Vanderburg, Andrew, Vanderspek, Roland, Winn, Joshua N.

“…Abstract We present the discovery of TOI-3235 b, a short-period Jupiter orbiting an M dwarf with a stellar mass close to the critical mass at which stars…”
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TOI-2525 b and c: A Pair of Massive Warm Giant Planets with Strong Transit Timing Variations Revealed by TESS ∗ Based on observations collected at the European Organization for Astronomical Research in the Southern Hemisphere under MPG program 0104.A-9007. This paper includes data gathered with the 6.5 m Magellan Telescopes located at Las Campanas Observatory, Chile by Trifonov, Trifon, Brahm, Rafael, Jordán, Andrés, Hartogh, Christian, Henning, Thomas, Hobson, Melissa J., Schlecker, Martin, Howard, Saburo, Reichardt, Finja, Espinoza, Nestor, Lee, Man Hoi, Nesvorny, David, Rojas, Felipe I., Barkaoui, Khalid, Kossakowski, Diana, Boyle, Gavin, Dreizler, Stefan, Kürster, Martin, Heller, René, Guillot, Tristan, Triaud, Amaury H. M. J., Abe, Lyu, Agabi, Abdelkrim, Bendjoya, Philippe, Crouzet, Nicolas, Dransfield, Georgina, Gasparetto, Thomas, Günther, Maximilian N., Marie-Sainte, Wenceslas, Mékarnia, Djamel, Suarez, Olga, Teske, Johanna, Butler, R. Paul, Crane, Jeffrey D., Shectman, Stephen, Ricker, George R., Shporer, Avi, Vanderspek, Roland, Jenkins, Jon M., Wohler, Bill, Collins, Karen A., Collins, Kevin I., Ciardi, David R., Barclay, Thomas, Mireles, Ismael, Seager, Sara, Winn, Joshua N.

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