Search Results - "Espinoza, Nestor"

ACCESS: a featureless optical transmission spectrum for WASP-19b from Magellan/IMACS by Espinoza, Néstor, Rackham, Benjamin V, Jordán, Andrés, Apai, Dániel, López-Morales, Mercedes, Osip, David J, Grimm, Simon L, Hoeijmakers, Jens, Wilson, Paul A, Bixel, Alex, McGruder, Chima, Rodler, Florian, Weaver, Ian, Lewis, Nikole K, Fortney, Jonathan J, Fraine, Jonathan

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ACCESS I. AN OPTICAL TRANSMISSION SPECTRUM OF GJ 1214b REVEALS A HETEROGENEOUS STELLAR PHOTOSPHERE by Rackham, Benjamin, Espinoza, Néstor, Apai, Dániel, López-Morales, Mercedes, Jordán, Andrés, Osip, David J., Lewis, Nikole K., Rodler, Florian, Fraine, Jonathan D., Morley, Caroline V., Fortney, Jonathan J.

“…ABSTRACT GJ 1214b is the most studied sub-Neptune exoplanet to date. Recent measurements have shown its near-infrared transmission spectrum to be flat,…”
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Transiting Exoplanet Yields for the Roman Galactic Bulge Time Domain Survey Predicted from Pixel-level Simulations by Wilson, Robert F., Barclay, Thomas, Powell, Brian P., Schlieder, Joshua, Hedges, Christina, Montet, Benjamin T., Quintana, Elisa, Mcdonald, Iain, Penny, Matthew T., Espinoza, Néstor, Kerins, Eamonn

“…Abstract The Nancy Grace Roman Space Telescope (Roman) is NASA’s next astrophysics flagship mission, expected to launch in late 2026. As one of Roman’s core…”
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A discontinuity in the T eff–radius relation of M-dwarfs by Rabus, Markus, Lachaume, Régis, Jordán, Andrés, Brahm, Rafael, Boyajian, Tabetha, von Braun, Kaspar, Espinoza, Néstor, Berger, Jean-Philippe, Le Bouquin, Jean-Baptiste, Absil, Olivier

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Nondetections of Helium in the Young Sub-Jovian Planets K2-100b, HD 63433b, and V1298 Tau c by Alam, Munazza K., Kirk, James, Dos Santos, Leonardo A., McCreery, Patrick, Allan, Andrew P., Owen, James E., Vidotto, Aline A., Allart, Romain, Bourrier, Vincent, Espinoza, Néstor, King, George W., López-Morales, Mercedes, Seidel, Julia V.

“…Abstract We search for excess in-transit absorption of neutral helium at 1.083 μ m in the atmospheres of the young (<800 Myr) sub-Jovian (0.2–0.5 R J ) planets…”
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Water and an Escaping Helium Tail Detected in the Hazy and Methane-depleted Atmosphere of HAT-P-18b from JWST NIRISS/SOSS by Fu, Guangwei, Espinoza, Néstor, Sing, David K., Lothringer, Joshua D., Dos Santos, Leonardo A., Rustamkulov, Zafar, Deming, Drake, Kempton, Eliza M.-R., Komacek, Thaddeus D., Knutson, Heather A., Albert, Loïc, Pontoppidan, Klaus, Volk, Kevin, Filippazzo, Joseph

“…Abstract JWST is here. The early release observation (ERO) program provides us with the first look at the scientific data and the spectral capabilities. One of…”
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Awesome SOSS: atmospheric characterization of WASP-96 b using the JWST early release observations by Taylor, Jake, Radica, Michael, Welbanks, Luis, MacDonald, Ryan J, Blecic, Jasmina, Zamyatina, Maria, Roth, Alexander, Bean, Jacob L, Parmentier, Vivien, Coulombe, Louis-Philippe, Feinstein, Adina D, Espinoza, Néstor, Benneke, Björn, Lafrenière, David, Doyon, René, Ahrer, Eva-Maria

“…ABSTRACT The newly operational JWST offers the potential to study the atmospheres of distant worlds with precision that has not been achieved before. One of…”
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Latitudinal Asymmetry in the Dayside Atmosphere of WASP-43b by Challener, Ryan C., Rustamkulov, Zafar, Lee, Elspeth K. H., Lewis, Nikole, Sing, David K., Birkmann, Stephan M., Crouzet, Nicolas, Espinoza, Néstor, Manjavacas, Elena, Oliveros-Gomez, Natalia, Valenti, Jeff A., Yang, Jingxuan

“…Abstract We present two-dimensional near-infrared temperature maps of the canonical hot Jupiter WASP-43b using a phase-curve observation with JWST…”
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ACCESS: Confirmation of a Clear Atmosphere for WASP-96b and a Comparison of Light Curve Detrending Techniques by McGruder, Chima D., López-Morales, Mercedes, Kirk, James, Espinoza, Néstor, Rackham, Benjamin V., Alam, Munazza K., Allen, Natalie, Nikolov, Nikolay, Weaver, Ian C., Ortiz Ceballos, Kevin, Osip, David J., Apai, Dániel, Jordán, Andrés, Fortney, Jonathan J.

“…Abstract One of the strongest Na i features was observed in WASP-96b. To confirm this novel detection, we provide a new 475–825 nm transmission spectrum…”
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HST SHEL: Enabling Comparative Exoplanetology with HST/STIS by Allen, Natalie H., Sing, David K., Espinoza, Néstor, O’Steen, Richard, Nikolov, Nikolay K., Rustamkulov, Zafar, Evans-Soma, Thomas M., Ramos Rosado, Lakeisha M., Alam, Munazza K., López-Morales, Mercedes, Stevenson, Kevin B., Wakeford, Hannah R., May, Erin M., Brahm, Rafael, Tala Pinto, Marcelo

“…Abstract The Hubble Space Telescope (HST) has been our most prolific tool to study exoplanet atmospheres. As the age of JWST begins, there are a wealth of HST…”
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A High-resolution Non-detection of Escaping Helium in the Ultrahot Neptune LTT 9779b: Evidence for Weakened Evaporation by Vissapragada, Shreyas, McCreery, Patrick, Dos Santos, Leonardo A., Espinoza, Néstor, McWilliam, Andrew, Matsunaga, Noriyuki, Redai, Jéa Adams, Behr, Patrick, France, Kevin, Hamano, Satoshi, Hull, Charlie, Ikeda, Yuji, Katoh, Haruki, Kawakita, Hideyo, López-Morales, Mercedes, Ortiz Ceballos, Kevin N., Otsubo, Shogo, Sarugaku, Yuki, Takeuchi, Tomomi

“…Abstract The recent discovery of “ultrahot” ( P < 1 day) Neptunes has come as a surprise: some of these planets have managed to retain gaseous envelopes…”
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Awesome SOSS: transmission spectroscopy of WASP-96b with NIRISS/SOSS by Radica, Michael, Welbanks, Luis, Espinoza, Néstor, Taylor, Jake, Coulombe, Louis-Philippe, Feinstein, Adina D, Goyal, Jayesh, Scarsdale, Nicholas, Albert, Loïc, Baghel, Priyanka, Bean, Jacob L, Blecic, Jasmina, Lafrenière, David, MacDonald, Ryan J, Zamyatina, Maria, Allart1, Romain, Artigau, Étienne, Batalha, Natasha E, Cook, Neil James, Cowan, Nicolas B, Dang, Lisa, Doyon, René, Fournier-Tondreau, Marylou, Johnstone, Doug, Line, Michael R, Moran, Sarah E, Mukherjee, Sagnick, Pelletier, Stefan, Roy, Pierre-Alexis, Talens, Geert Jan, Filippazzo, Joseph, Pontoppidan, Klaus, Volk, Kevin

“…ABSTRACT The future is now – after its long-awaited launch in 2021 December, JWST began science operations in 2022 July and is already revolutionizing…”
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DISCOVERY AND VALIDATION OF A HIGH-DENSITY SUB-NEPTUNE FROM THE K2 MISSION by Espinoza, Néstor, Brahm, Rafael, Jordán, Andrés, Jenkins, James S., Rojas, Felipe, Jofré, Paula, Mädler, Thomas, Rabus, Markus, Chanamé, Julio, Pantoja, Blake, Soto, Maritza G., Morzinski, Katie M., Males, Jared R., Ward-Duong, Kimberly, Close, Laird M.

“…ABSTRACT We report the discovery of K2-56b, a high-density sub-Neptune exoplanet, made using photometry from Campaign 4 of the two-wheeled Kepler (K2) mission,…”
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Atmospheric Retrievals Suggest the Presence of a Secondary Atmosphere and Possible Sulfur Species on L98-59 d from JWST Nirspec G395H Transmission Spectroscopy by Banerjee, Agnibha, Barstow, Joanna K., Gressier, Amélie, Espinoza, Néstor, Sing, David K., Allen, Natalie H., Birkmann, Stephan M., Challener, Ryan C., Crouzet, Nicolas, Haswell, Carole A., Lewis, Nikole K., Lewis, Stephen R., Yang, Jingxuan

“…Abstract L 98-59 d is a Super-Earth planet orbiting an M-type star. We performed retrievals on the transmission spectrum of L 98-59 d obtained using NIRSpec…”
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Hints of a Sulfur-rich Atmosphere around the 1.6 R ⊕ Super-Earth L98-59 d from JWST NIRspec G395H Transmission Spectroscopy by Gressier, Amélie, Espinoza, Néstor, Allen, Natalie H., Sing, David K., Banerjee, Agnibha, Barstow, Joanna K., Valenti, Jeff A., Lewis, Nikole K., Birkmann, Stephan M., Challener, Ryan C., Manjavacas, Elena, Alves de Oliveira, Catarina, Crouzet, Nicolas, Beck, Tracy. L

“…Abstract Detecting atmospheres around planets with a radius below 1.6 R ⊕ , commonly referred to as rocky planets, has proven to be challenging. However, rocky…”
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HD 213885b: a transiting 1-d-period super-Earth with an Earth-like composition around a bright ( V  = 7.9) star unveiled by TESS by Espinoza, Néstor, Brahm, Rafael, Henning, Thomas, Jordán, Andrés, Dorn, Caroline, Rojas, Felipe, Sarkis, Paula, Kossakowski, Diana, Schlecker, Martin, Díaz, Matías R, Jenkins, James S, Aguilera-Gomez, Claudia, Jenkins, Jon M, Twicken, Joseph D, Collins, Karen A, Lissauer, Jack, Armstrong, David J, Adibekyan, Vardan, Barrado, David, Barros, Susana C C, Battley, Matthew, Bayliss, Daniel, Bouchy, François, Bryant, Edward M, Cooke, Benjamin F, Demangeon, Olivier D S, Dumusque, Xavier, Figueira, Pedro, Giles, Helen, Lillo-Box, Jorge, Lovis, Christophe, Nielsen, Louise D, Pepe, Francesco, Pollacco, Don, Santos, Nuno C, Sousa, Sergio G, Udry, Stéphane, Wheatley, Peter J, Turner, Oliver, Marmier, Maxime, Ségransan, Damien, Ricker, George, Latham, David, Seager, Sara, Winn, Joshua N, Kielkopf, John F, Hart, Rhodes, Wingham, Geof, Jensen, Eric L N, Hełminiak, Krzysztof G, Tokovinin, A, Briceño, C, Ziegler, Carl, Law, Nicholas M, Mann, Andrew W, Daylan, Tansu, Doty, John P, Guerrero, Natalia, Boyd, Patricia, Crossfield, Ian, Morris, Robert L, Henze, Christopher E, Chacon, Aaron Dean

“…ABSTRACT We report the discovery of the 1.008-d, ultrashort period (USP) super-Earth HD 213885b (TOI-141b) orbiting the bright (V = 7.9) star HD 213885…”
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ATOCA: an Algorithm to Treat Order Contamination. Application to the NIRISS SOSS Mode by Darveau-Bernier, Antoine, Albert, Loïc, Talens, Geert Jan, Lafrenière, David, Radica, Michael, Doyon, René, Cook, Neil J., Rowe, Jason F., Allart, Romain, Artigau, Étienne, Benneke, Björn, Cowan, Nicolas, Dang, Lisa, Espinoza, Néstor, Johnstone, Doug, Kaltenegger, Lisa, Lim, Olivia, Pauly, Tyler, Pelletier, Stefan, Piaulet, Caroline, Roy, Arpita, Roy, Pierre-Alexis, Splinter, Jared, Taylor, Jake, Turner, Jake D.

“…Abstract After a successful launch, the James Webb Space Telescope is preparing to undertake one of its principal mission objectives, the characterization of…”
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Spectroscopic Time-series Performance of JWST/NIRSpec from Commissioning Observations by Espinoza, Néstor, Úbeda, Leonardo, Birkmann, Stephan M., Ferruit, Pierre, Valenti, Jeff A., Sing, David K., Rustamkulov, Zafar, Regan, Michael, Kendrew, Sarah, Sabbi, Elena, Schlawin, Everett, Beatty, Thomas, Albert, Loïc, Greene, Thomas P., Nikolov, Nikolay, Karakla, Diane, Keyes, Charles, Alves de Oliveira, Catarina, Böker, Torsten, Pena-Guerrero, Maria, Giardino, Giovanna, Kumari, Nimisha, Manjavacas, Elena, Proffitt, Charles, Rawle, Timothy

“…Abstract We report on James Webb Space Telescope (JWST) commissioning observations of the transiting exoplanet HAT-P-14 b, obtained using the Bright Object…”
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Spectroscopic Time Series Performance of the Mid-infrared Instrument on the JWST by Bouwman, Jeroen, Kendrew, Sarah, Greene, Thomas P., Bell, Taylor J., Lagage, Pierre-Olivier, Schreiber, Jürgen, Dicken, Daniel, Sloan, G. C., Espinoza, Néstor, Scheithauer, Silvia, Coulais, Alain, Fox, Ori D., Gastaud, René, Glauser, Adrian M., Jones, Olivia C., Labiano, Alvaro, Lahuis, Fred, Morrison, Jane E., Murray, Katherine, Mueller, Michael, Nayak, Omnarayani, Wright, Gillian S., Glasse, Alistair, Rieke, George

“…Abstract We present here the first ever mid-infrared spectroscopic time series observation of the transiting exoplanet L 168-9 b with the Mid-Infrared…”
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A GROUND-BASED OPTICAL TRANSMISSION SPECTRUM OF WASP-6b by Jordan, Andres, Espinoza, Nestor, Rabus, Markus, Eyheramendy, Susana, Sing, David K, DESERT, JEAN-MICHEL, Bakos, Gaspar A, tney, Jonathan J, Lopez-Morales, Mercedes, Maxted, Pierre F L, TRIAUD, AMAURY H M J, Szentgyorgyi, Andrew

“…We present a ground-based optical transmission spectrum of the inflated sub-Jupiter-mass planet WASP-6b. The spectrum was measured in 20 spectral channels from…”
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