Search Results - "Dreizler, Stefan"

The Chemical Homogeneity of Sun-like Stars in the Solar Neighborhood by Bedell, Megan, Bean, Jacob L., Meléndez, Jorge, Spina, Lorenzo, Ramírez, Ivan, Asplund, Martin, Alves-Brito, Alan, Santos, Leonardo dos, Dreizler, Stefan, Yong, David, Monroe, TalaWanda, Casagrande, Luca

“…The compositions of stars are a critical diagnostic tool for many topics in astronomy such as the evolution of our Galaxy, the formation of planets, and the…”
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A detached stellar-mass black hole candidate in the globular cluster NGC 3201 by Giesers, Benjamin, Dreizler, Stefan, Husser, Tim-Oliver, Kamann, Sebastian, Anglada Escudé, Guillem, Brinchmann, Jarle, Carollo, C Marcella, Roth, Martin M, Weilbacher, Peter M, Wisotzki, Lutz

“…Abstract As part of our massive spectroscopic survey of 25 Galactic globular clusters with MUSE, we performed multiple epoch observations of NGC 3201 with the…”
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Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b by Nortmann, Lisa, Pallé, Enric, Salz, Michael, Sanz-Forcada, Jorge, Nagel, Evangelos, Alonso-Floriano, F Javier, Czesla, Stefan, Yan, Fei, Chen, Guo, Snellen, Ignas A G, Zechmeister, Mathias, Schmitt, Jürgen H M M, López-Puertas, Manuel, Casasayas-Barris, Núria, Bauer, Florian F, Amado, Pedro J, Caballero, José A, Dreizler, Stefan, Henning, Thomas, Lampón, Manuel, Montes, David, Molaverdikhani, Karan, Quirrenbach, Andreas, Reiners, Ansgar, Ribas, Ignasi, Sánchez-López, Alejandro, Schneider, P Christian, Zapatero Osorio, María R

“…Hot gas giant exoplanets can lose part of their atmosphere due to strong stellar irradiation, affecting their physical and chemical evolution. Studies of…”
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Ultradeep ATCA Imaging of 47 Tucanae Reveals a Central Compact Radio Source by Paduano, Alessandro, Bahramian, Arash, Miller-Jones, James C. A., Kawka, Adela, Galvin, Tim J., Rivera Sandoval, Liliana, Kamann, Sebastian, Strader, Jay, Chomiuk, Laura, Heinke, Craig O., Maccarone, Thomas J., Dreizler, Stefan

“…Abstract We present the results of an ultradeep radio continuum survey, containing ∼480 hr of observations, of the Galactic globular cluster 47 Tucanae with…”
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Validating AU Microscopii d with Transit Timing Variations by Wittrock, Justin M., Plavchan, Peter P., Cale, Bryson L., Barclay, Thomas, Ludwig, Mathis R., Schwarz, Richard P., Mékarnia, Djamel, J. Triaud, Amaury H. M., Abe, Lyu, Suarez, Olga, Guillot, Tristan, Conti, Dennis M., Collins, Karen A., Waite, Ian A., Kielkopf, John F., Collins, Kevin I., Dreizler, Stefan, El Mufti, Mohammed, Feliz, Dax L., Gaidos, Eric, Geneser, Claire S., Horne, Keith D., Kane, Stephen R., Lowrance, Patrick J., Martioli, Eder, Radford, Don J., Reefe, Michael A., Roccatagliata, Veronica, Shporer, Avi, Stassun, Keivan G., Stockdale, Christopher, Tan, Thiam-Guan, Tanner, Angelle M., Vega, Laura D.

“…Abstract 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…”
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The Transit Ingress and the Tilted Orbit of the Extraordinarily Eccentric Exoplanet HD 80606b by Winn, Joshua N, Howard, Andrew W, Johnson, John Asher, Marcy, Geoffrey W, Gazak, J. Zachary, Starkey, Donn, Ford, Eric B, Colón, Knicole D, Reyes, Francisco, Nortmann, Lisa, Dreizler, Stefan, Odewahn, Stephen, Welsh, William F, Kadakia, Shimonee, Vanderbei, Robert J, Adams, Elisabeth R, Lockhart, Matthew, Crossfield, Ian J, Valenti, Jeff A, Dantowitz, Ronald, Carter, Joshua A

“…We present the results of a transcontinental campaign to observe the 2009 June 5 transit of the exoplanet HD 80606b. We report the first detection of the…”
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The temporal evolution of neutron-capture elements in the Galactic discs by Spina, Lorenzo, Meléndez, Jorge, Karakas, Amanda I, dos Santos, Leonardo, Bedell, Megan, Asplund, Martin, Ramírez, Ivan, Yong, David, Alves-Brito, Alan, Bean, Jacob L, Dreizler, Stefan

“…Abstract Important insights into the formation and evolution of the Galactic disc(s) are contained in the chemical compositions of stars. We analysed…”
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ω Centauri: a MUSE discovery of a counter-rotating core by Pechetti, Renuka, Kamann, Sebastian, Krajnović, Davor, Seth, Anil, van de Ven, Glenn, Neumayer, Nadine, Dreizler, Stefan, Weilbacher, Peter M, Martens, Sven, Wragg, Florence

“…ABSTRACT ω Centauri is considered the most massive globular cluster of the Milky Way and likely the former nuclear star cluster of a Galaxy accreted by the…”
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A terrestrial planet candidate in a temperate orbit around Proxima Centauri by Anglada-Escudé, Guillem, Amado, Pedro J., Barnes, John, Berdiñas, Zaira M., Butler, R. Paul, Coleman, Gavin A. L., de la Cueva, Ignacio, Dreizler, Stefan, Endl, Michael, Giesers, Benjamin, Jeffers, Sandra V., Jenkins, James S., Jones, Hugh R. A., Kiraga, Marcin, Kürster, Martin, López-González, Marίa J., Marvin, Christopher J., Morales, Nicolás, Morin, Julien, Nelson, Richard P., Ortiz, José L., Ofir, Aviv, Paardekooper, Sijme-Jan, Reiners, Ansgar, Rodríguez, Eloy, Rodrίguez-López, Cristina, Sarmiento, Luis F., Strachan, John P., Tsapras, Yiannis, Tuomi, Mikko, Zechmeister, Mathias

“…A small planet of at least 1.3 Earth masses is orbiting Proxima Centauri with a period of about 11.2 days, with the potential for liquid water on its surface…”
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Ultra-deep ATCA imaging of 47 Tucanae reveals a central compact radio source by Paduano, Alessandro, Bahramian, Arash, Miller-Jones, James C. A., Kawka, Adela, Galvin, Tim J., Sandoval, Liliana Rivera, Kamann, Sebastian, Strader, Jay, Chomiuk, Laura, Heinke, Craig O., Maccarone, Thomas J., Dreizler, Stefan

“…We present the results of an ultradeep radio continuum survey, containing ∼480 hr of observations, of the Galactic globular cluster 47 Tucanae with the…”
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The CRIRES Search for Planets Around the Lowest-mass Stars. I. High-precision Near-infrared Radial Velocities with an Ammonia Gas Cell by Bean, Jacob L, Seifahrt, Andreas, Hartman, Henrik, Nilsson, Hampus, Wiedemann, Günter, Reiners, Ansgar, Dreizler, Stefan, Henry, Todd J

“…Radial velocities measured from near-infrared (NIR) spectra are a potentially powerful tool to search for planets around cool stars and sub-stellar objects…”
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Central kinematics of the Galactic globular cluster M80 by Göttgens, Fabian, Kamann, Sebastian, Baumgardt, Holger, Dreizler, Stefan, Giesers, Benjamin, Husser, Tim-Oliver, den Brok, Mark, Fétick, Romain, Krajnovic, Davor, Weilbacher, Peter M

“…ABSTRACT We use spectra observed with the integral-field spectrograph Multi Unit Spectroscopic Explorer (MUSE) to reveal the central kinematics of the Galactic…”
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Spectroscopic binaries in the Solar Twin Planet Search program: from substellar–mass to M dwarf companions by dos Santos, Leonardo A., Meléndez, Jorge, Bedell, Megan, Bean, Jacob L., Spina, Lorenzo, Alves-Brito, Alan, Dreizler, Stefan, Ramírez, Iván, Asplund, Martin

“…Abstract Previous studies on the rotation of Sun-like stars revealed that the rotational rates of young stars converge towards a well-defined evolution that…”
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TOI-2525 b and c: A Pair of Massive Warm Giant Planets with Strong Transit Timing Variations Revealed by TESS 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.

“…Abstract The K-type star TOI-2525 has an estimated mass of M = 0.849 − 0.033 + 0.024 M ⊙ and radius of R = 0.785 − 0.007 + 0.007 R ⊙ observed by the TESS…”
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A Transiting, Temperate Mini-Neptune Orbiting the M Dwarf TOI-1759 Unveiled by TESS by Espinoza, Néstor, Pallé, Enric, Kemmer, Jonas, Luque, Rafael, Caballero, José A., Cifuentes, Carlos, Herrero, Enrique, Sánchez Béjar, Víctor J., Stock, Stephan, Molaverdikhani, Karan, Morello, Giuseppe, Kossakowski, Diana, Schlecker, Martin, Amado, Pedro J., Bluhm, Paz, Cortés-Contreras, Miriam, Henning, Thomas, Kreidberg, Laura, Kürster, Martin, Lafarga, Marina, Lodieu, Nicolas, Morales, Juan Carlos, Oshagh, Mahmoudreza, Passegger, Vera M., Pavlov, Alexey, Quirrenbach, Andreas, Reffert, Sabine, Reiners, Ansgar, Ribas, Ignasi, Rodríguez, Eloy, López, Cristina Rodríguez, Schweitzer, Andreas, Trifonov, Trifon, Chaturvedi, Priyanka, Dreizler, Stefan, Jeffers, Sandra V., Kaminski, Adrian, López-González, María José, Lillo-Box, Jorge, Montes, David, Nowak, Grzegorz, Pedraz, Santos, Vanaverbeke, Siegfried, Zapatero Osorio, Maria R., Zechmeister, Mathias, Collins, Karen A., Girardin, Eric, Guerra, Pere, Naves, Ramon, Crossfield, Ian J. M., Matthews, Elisabeth C., Howell, Steve B., Ciardi, David R., Gonzales, Erica, Matson, Rachel A., Beichman, Charles A., Schlieder, Joshua E., Barclay, Thomas, Vezie, Michael, Villaseñor, Jesus Noel, Daylan, Tansu, Mireies, Ismael, Dragomir, Diana, Twicken, Joseph D., Jenkins, Jon, Winn, Joshua N., Latham, David, Ricker, George, Seager, Sara

“…Abstract We report the discovery and characterization of TOI-1759 b, a temperate (400 K) sub-Neptune-sized exoplanet orbiting the M dwarf TOI-1759 (TIC…”
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The MAVERIC Survey: The first radio and X-ray limits on the detached black holes in NGC 3201 by Paduano, Alessandro, Bahramian, Arash, Miller-Jones, James C A, Kawka, Adela, Göttgens, Fabian, Strader, Jay, Chomiuk, Laura, Kamann, Sebastian, Dreizler, Stefan, Heinke, Craig O, Husser, Tim-Oliver, Maccarone, Thomas J, Tremou, Evangelia, Zhao, Yue

“…ABSTRACT The Galactic globular cluster (GC) NGC 3201 is the first Galactic GC observed to host dynamically confirmed stellar-mass black holes (BHs), containing…”
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Proxima Centauri b is not a transiting exoplanet by Jenkins, James S, Harrington, Joseph, Challener, Ryan C, Kurtovic, Nicolás T, Ramirez, Ricardo, Peña, Jose, McIntyre, Kathleen J, Himes, Michael D, Rodríguez, Eloy, Anglada-Escudé, Guillem, Dreizler, Stefan, Ofir, Aviv, Peña Rojas, Pablo A, Ribas, Ignasi, Rojo, Patricio, Kipping, David, Butler, R Paul, Amado, Pedro J, Rodríguez-López, Cristina, Kempton, Eliza M-R, Palle, Enric, Murgas, Felipe

“…Abstract We report Spitzer Space Telescope observations during predicted transits of the exoplanet Proxima Centauri b. As the nearest terrestrial…”
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Transit Timing Variations for AU Microscopii b and c by Wittrock, Justin M., Dreizler, Stefan, Reefe, Michael A., Morris, Brett M., Plavchan, Peter P., Lowrance, Patrick J., Demory, Brice-Olivier, Ingalls, James G., Gilbert, Emily A., Barclay, Thomas, Cale, Bryson L., Collins, Karen A., Collins, Kevin I., Crossfield, Ian J. M., Dragomir, Diana, Eastman, Jason D., Mufti, Mohammed El, Feliz, Dax, Gagné, Jonathan, Gaidos, Eric, Gao, Peter, Geneser, Claire S., Hebb, Leslie, Henze, Christopher E., Horne, Keith D., Jenkins, Jon M., Jensen, Eric L. N., Kane, Stephen R., Kaye, Laurel, Martioli, Eder, Monsue, Teresa A., Pallé, Enric, Quintana, Elisa V., Radford, Don J., Roccatagliata, Veronica, Schlieder, Joshua E., Schwarz, Richard P., Shporer, Avi, Stassun, Keivan G., Stockdale, Christopher, Tan, Thiam-Guan, Tanner, Angelle M., Vanderburg, Andrew, Vega, Laura D., Wang, Songhu

“…We explore the transit timing variations (TTVs) of the young (22 Myr) nearby AU Mic planetary system. For AU Mic b, we introduce three Spitzer (4.5 μm)…”
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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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Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy by Kuzuhara, Masayuki, Fukui, Akihiko, Livingston, John H., Caballero, José A., de Leon, Jerome P., Hirano, Teruyuki, Kasagi, Yui, Murgas, Felipe, Narita, Norio, Omiya, Masashi, Orell-Miquel, Jaume, Palle, Enric, Changeat, Quentin, Esparza-Borges, Emma, Harakawa, Hiroki, Hellier, Coel, Hori, Yasunori, Ikuta, Kai, Ishikawa, Hiroyuki Tako, Kodama, Takanori, Kotani, Takayuki, Kudo, Tomoyuki, Morales, Juan C., Mori, Mayuko, Nagel, Evangelos, Parviainen, Hannu, Perdelwitz, Volker, Reiners, Ansgar, Ribas, Ignasi, Sanz-Forcada, Jorge, Sato, Bun’ei, Tabernero, Hugo M., Takarada, Takuya, Uyama, Taichi, Watanabe, Noriharu, Zechmeister, Mathias, García, Néstor Abreu, Aoki, Wako, Beichman, Charles, Béjar, Víctor J. S., Brandt, Timothy D., Calatayud-Borras, Yéssica, Carleo, Ilaria, Collins, Karen A., Currie, Thayne, Dreizler, Stefan, Fernández-Rodríguez, Gareb, Fukuda, Izuru, Galán, Daniel, González-Rodríguez, Josafat, Hayashi, Yuya, Hedges, Christina, Henning, Thomas, Hodapp, Klaus, Ikoma, Masahiro, Isogai, Keisuke, Jacobson, Shane, Janson, Markus, Jenkins, Jon M., Kagetani, Taiki, Kambe, Eiji, Kawai, Yugo, Kawauchi, Kiyoe, Kokubo, Eiichiro, Konishi, Mihoko, Korth, Judith, Krishnamurthy, Vigneshwaran, Kurokawa, Takashi, Kusakabe, Nobuhiko, Kwon, Jungmi, Laza-Ramos, Andrés, Libotte, Florence, Luque, Rafael, Madrigal-Aguado, Alberto, Matsumoto, Yuji, Mawet, Dimitri, McElwain, Michael W., Meni Gallardo, Pedro Pablo, Morello, Giuseppe, Muñoz Torres, Sara, Nishikawa, Jun, Nugroho, Stevanus K., Ogihara, Masahiro, Peláez-Torres, Alberto, Rapetti, David, Sánchez-Benavente, Manuel, Schlecker, Martin, Seager, Sara, Serabyn, Eugene, Serizawa, Takuma, Takahashi, Aoi, Teng, Huan-Yu, Tamura, Motohide, Terada, Yuka, Ueda, Akitoshi, Usuda, Tomonori, Vanderspek, Roland, Vievard, Sébastien, Watanabe, David, Zapatero Osorio, Maria Rosa

“…Abstract Recent discoveries of Earth-sized planets transiting nearby M dwarfs have made it possible to characterize the atmospheres of terrestrial planets via…”
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