Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Djamel Mekarnia"'
Autor:
Pa Chia Thao, Andrew W. Mann, Madyson G. Barber, Adam L. Kraus, Benjamin M. Tofflemire, Jonathan L. Bush, Mackenna L. Wood, Karen A. Collins, Andrew Vanderburg, Samuel N. Quinn, George Zhou, Elisabeth R. Newton, Carl Ziegler, Nicholas Law, Khalid Barkaoui, Francisco J. Pozuelos, Mathilde Timmermans, Michaël Gillon, Emmanuël Jehin, Richard P. Schwarz, Tianjun Gan, Avi Shporer, Keith Horne, Ramotholo Sefako, Olga Suarez, Djamel Mekarnia, Tristan Guillot, Lyu Abe, Amaury H. M. J. Triaud, Don J. Radford, Ana Isabel Lopez Murillo, George R. Ricker, Joshua N. Winn, Jon M. Jenkins, Luke G. Bouma, Michael Fausnaugh, Natalia M. Guerrero, Michelle Kunimoto
Publikováno v:
The Astronomical Journal, Vol 168, Iss 1, p 41 (2024)
Young (
Externí odkaz:
https://doaj.org/article/c252dfff724d44e8b6b3be153cd41b68
Autor:
Francois-Xavier Schmider, Patrick Gaulme, Raúl Morales-Juberías, Jason Jackiewicz, Ivan Gonçalves, Tristan Guillot, Amy A. Simon, Michael H. Wong, Thomas Underwood, David Voelz, Cristo Sanchez, Riley DeColibus, Sarah A. Kovac, Sean Sellers, Doug Gilliam, Patrick Boumier, Thierry Appourchaux, Julien Dejonghe, Jean Pierre Rivet, Steve Markham, Saburo Howard, Lyu Abe, Djamel Mekarnia, Masahiro Ikoma, Hidekazu Hanayama, Bun’ei Sato, Masanobu Kunitomo, Hideyuki Izumiura
Publikováno v:
The Planetary Science Journal, Vol 5, Iss 4, p 100 (2024)
We present three-dimensional (3D) maps of Jupiter’s atmospheric circulation at cloud-top level from Doppler-imaging data obtained in the visible domain with JIVE, the second node of the JOVIAL network, which is mounted on the Dunn Solar Telescope a
Externí odkaz:
https://doaj.org/article/58f4ca6d3b914085b18707b3b16c390f
Autor:
Melissa J. Hobson, Trifon Trifonov, Thomas Henning, Andrés Jordán, Felipe Rojas, Nestor Espinoza, Rafael Brahm, Jan Eberhardt, Matías I. Jones, Djamel Mekarnia, Diana Kossakowski, Martin Schlecker, Marcelo Tala Pinto, Pascal José Torres Miranda, Lyu Abe, Khalid Barkaoui, Philippe Bendjoya, François Bouchy, Marco Buttu, Ilaria Carleo, Karen A. Collins, Knicole D. Colón, Nicolas Crouzet, Diana Dragomir, Georgina Dransfield, Thomas Gasparetto, Robert F. Goeke, Tristan Guillot, Maximilian N. Günther, Saburo Howard, Jon M. Jenkins, Judith Korth, David W. Latham, Monika Lendl, Jack J. Lissauer, Christopher R. Mann, Ismael Mireles, George R. Ricker, Sophie Saesen, Richard P. Schwarz, S. Seager, Ramotholo Sefako, Avi Shporer, Chris Stockdale, Olga Suarez, Thiam-Guan Tan, Amaury H. M. J. Triaud, Solène Ulmer-Moll, Roland Vanderspek, Joshua N. Winn, Bill Wohler, George Zhou
Publikováno v:
The Astronomical Journal, Vol 166, Iss 5, p 201 (2023)
We present the spectroscopic confirmation and precise mass measurement of the warm giant planet TOI-199 b. This planet was first identified in TESS photometry and confirmed using ground-based photometry from ASTEP in Antarctica including a full 6.5 h
Externí odkaz:
https://doaj.org/article/602aefb31c6d411aa50e28c00c83c762
Autor:
Sydney Vach, Samuel N. Quinn, Andrew Vanderburg, Stephen R. Kane, Karen A. Collins, Adam L. Kraus, George Zhou, Amber A. Medina, Richard P. Schwarz, Kevin I. Collins, Dennis M. Conti, Chris Stockdale, Bob Massey, Olga Suarez, Tristan Guillot, Djamel Mekarnia, Lyu Abe, Georgina Dransfield, Nicolas Crouzet, Amaury H. M. J. Triaud, François-Xavier Schmider, Abelkrim Agabi, Marco Buttu, Coel Hellier, Elise Furlan, Crystal L. Gnilka, Steve B. Howell, Carl Ziegler, César Briceño, Nicholas Law, Andrew W. Mann, Alexander Rudat, Knicole D. Colon, Mark E. Rose, Michelle Kunimoto, Maximilian N. Günther, David Charbonneau, David R. Ciardi, George R. Ricker, Roland K. Vanderspek, David W. Latham, Sara Seager, Joshua N. Winn, Jon M. Jenkins
Publikováno v:
The Astronomical Journal. 164:71
As an all-sky survey, NASA's $TESS$ mission is able to detect the brightest and rarest types of transiting planetary systems, including young planets that enable study of the evolutionary processes that occur within the first billion years. Here, we
Autor:
Andrew W. Mann, Mackenna L. Wood, Stephen P. Schmidt, Madyson G. Barber, James E. Owen, Benjamin M. Tofflemire, Elisabeth R. Newton, Eric E. Mamajek, Jonathan L. Bush, Gregory N. Mace, Adam L. Kraus, Pa Chia Thao, Andrew Vanderburg, Joe Llama, Christopher M. Johns-Krull, L. Prato, Asa G. Stahl, Shih-Yun Tang, Matthew J. Fields, Karen A. Collins, Kevin I. Collins, Tianjun Gan, Eric L. N. Jensen, Jacob Kamler, Richard P. Schwarz, Elise Furlan, Crystal L. Gnilka, Steve B. Howell, Kathryn V. Lester, Dylan A. Owens, Olga Suarez, Djamel Mekarnia, Tristan Guillot, Lyu Abe, Amaury H. M. J. Triaud, Marshall C. Johnson, Reilly P. Milburn, Aaron C. Rizzuto, Samuel N. Quinn, Ronan Kerr, George R. Ricker, Roland Vanderspek, David W. Latham, Sara Seager, Joshua N. Winn, Jon M. Jenkins, Natalia M. Guerrero, Avi Shporer, Joshua E. Schlieder, Brian McLean, Bill Wohler
Publikováno v:
The Astronomical Journal. 163:156
Mature super-Earths and sub-Neptunes are predicted to be $\simeq$Jovian radius when younger than 10 Myr. Thus, we expect to find 5-15$R_\oplus$ planets around young stars even if their older counterparts harbor none. We report the discovery and valid
Autor:
Nicolas Crouzet, Djamel Mekarnia, Tristan Guillot, Lyu Abe, Abdelkrim Agabi, Fantei-Caujolle, Y., Bayliss, D. D. R., Zhou Guidi, Jean-Pierre Rivet, François-Xavier Schmider, Ivan Gonçalves, Jean Baptiste Daban, Carole Gouvret, Eric Aristidi, Fruth, T., Szulagyi, J., Anders Erikson, Heike Rauer, Erick Bondoux, Zalpha Challita, Cyprien Pouzenc, Francois Fressin, Franck Valbousquet, Alain Blazit, Serge Bonhomme, Francois Bouchy, Gerakis, J., Bouchez, G.
Publikováno v:
SCAR 2016, conf. on Astronomy and Astrophysics from Antarctica
SCAR 2016, conf. on Astronomy and Astrophysics from Antarctica, 2016, Kuala Lumpur, Malaysia
HAL
SCAR 2016, conf. on Astronomy and Astrophysics from Antarctica, 2016, Kuala Lumpur, Malaysia
HAL
International audience
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a199c98e45eaf1d012dc0c96c1b253ef
https://hal.archives-ouvertes.fr/hal-02482969
https://hal.archives-ouvertes.fr/hal-02482969
Autor:
Djamel Mekarnia, Yves Frenot
Publikováno v:
Proceedings of the International Astronomical Union. 8:178-185
Concordia is a French-Italian permanent station located at Dome C, Antarctica. The station provides accommodation for up to 16 people over winter and more than 70 scientists and technicians during the austral summer. The scientific projects implement
Autor:
Tristan Guillot, Lyu Abe, Abdelkrim Agabi, Jean-Pierre Rivet, Jean-Baptiste Daban, Djamel Mekarnia, Eric Aristidi, Francois-Xavier Schmider, Nicolas Crouzet, Ivan Gonçalves, Carole Gouvret, Sébastien Ottogalli, Hélène Faradji, Pierre-Eric Blanc, Eric Bondoux, Franck Valbousquet
Publikováno v:
Astronomical Notes / Astronomische Nachrichten
Astronomical Notes / Astronomische Nachrichten, Wiley-VCH Verlag, 2015, pp.1-21
HAL
Astronomical Notes / Astronomische Nachrichten, 2015, pp.1-21
Astronomical Notes / Astronomische Nachrichten, Wiley-VCH Verlag, 2015, pp.1-21
HAL
Astronomical Notes / Astronomische Nachrichten, 2015, pp.1-21
The installation and operation of a telescope in Antarctica represent particular challenges, in particular the requirement to operate at extremely cold temperatures, to cope with rapid temperature fluctuations and to prevent frosting. Heating of elec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d577cd7fe95001bde051394a36eed2d
https://hal.archives-ouvertes.fr/hal-01164626/file/astep_turbulence_arxiv.pdf
https://hal.archives-ouvertes.fr/hal-01164626/file/astep_turbulence_arxiv.pdf
Autor:
Theodore Kareta, Cristina Thomas, Jian-Yang Li, Matthew M. Knight, Nicholas Moskovitz, Agata Rożek, Michele T. Bannister, Simone Ieva, Colin Snodgrass, Petr Pravec, Eileen V. Ryan, William H. Ryan, Eugene G. Fahnestock, Andrew S. Rivkin, Nancy Chabot, Alan Fitzsimmons, David Osip, Tim Lister, Gal Sarid, Masatoshi Hirabayashi, Tony Farnham, Gonzalo Tancredi, Patrick Michel, Richard Wainscoat, Rob Weryk, Bonnie Burrati, Jana Pittichová, Ryan Ridden-Harper, Nicole J. Tan, Paul Tristram, Tyler Brown, Mariangela Bonavita, Martin Burgdorf, Elahe Khalouei, Penelope Longa, Markus Rabus, Sedighe Sajadian, Uffe Graae Jorgensen, Martin Dominik, Jean-Baptiste Kikwaya, Elena Mazzotta Epifani, Elisabetta Dotto, Prasanna Deshapriya, Pedro Hasselmann, Massimo Dall’Ora, Lyu Abe, Tristan Guillot, Djamel Mékarnia, Abdelkrim Agabi, Philippe Bendjoya, Olga Suarez, Amaury Triaud, Thomas Gasparetto, Maximillian N. Günther, Michael Kueppers, Bruno Merin, Joseph Chatelain, Edward Gomez, Helen Usher, Cai Stoddard-Jones, Matthew Bartnik, Michael Bellaver, Brenna Chetan, Emma Dugan, Tori Fallon, Jeremy Fedewa, Caitlyn Gerhard, Seth A. Jacobson, Shane Painter, David-Michael Peterson, Joseph E. Rodriguez, Cody Smith, Kirill V. Sokolovsky, Hannah Sullivan, Kate Townley, Sarah Watson, Levi Webb, Josep M. Trigo-Rodríguez, Josep M. Llenas, Ignacio Pérez-García, A. J. Castro-Tirado, Jean-Baptiste Vincent, Alessandra Migliorini, Monica Lazzarin, Fiorangela La Forgia, Fabio Ferrari, Tom Polakis, Brian Skiff
Publikováno v:
The Astrophysical Journal Letters, Vol 959, Iss 1, p L12 (2023)
The impact of the Double Asteroid Redirection Test spacecraft into Dimorphos, moon of the asteroid Didymos, changed Dimorphos’s orbit substantially, largely from the ejection of material. We present results from 12 Earth-based facilities involved i
Externí odkaz:
https://doaj.org/article/019dcbfe191f434c91ccbfaea8970094
Autor:
Justin M. Wittrock, Peter P. Plavchan, Bryson L. Cale, Thomas Barclay, Mathis R. Ludwig, Richard P. Schwarz, Djamel Mékarnia, Amaury H. M. J. Triaud, Lyu Abe, Olga Suarez, Tristan Guillot, Dennis M. Conti, Karen A. Collins, Ian A. Waite, John F. Kielkopf, Kevin I. Collins, Stefan Dreizler, Mohammed El Mufti, Dax L. Feliz, Eric Gaidos, Claire S. Geneser, Keith D. Horne, Stephen R. Kane, Patrick J. Lowrance, Eder Martioli, Don J. Radford, Michael A. Reefe, Veronica Roccatagliata, Avi Shporer, Keivan G. Stassun, Christopher Stockdale, Thiam-Guan Tan, Angelle M. Tanner, Laura D. Vega
Publikováno v:
The Astronomical Journal, Vol 166, Iss 6, p 232 (2023)
AU Mic is a young (22 Myr), nearby exoplanetary system that exhibits excess transit timing variations (TTVs) that cannot be accounted for by the two known transiting planets nor stellar activity. We present the statistical “validation” of the ten
Externí odkaz:
https://doaj.org/article/e90be6e8a5a84718b0e5077b552a525f