Search Results - "Spake, J"

Helium in the eroding atmosphere of an exoplanet by Spake, J. J., Sing, D. K., Evans, T. M., Oklopčić, A., Bourrier, V., Kreidberg, L., Rackham, B. V., Irwin, J., Ehrenreich, D., Wyttenbach, A., Wakeford, H. R., Zhou, Y., Chubb, K. L., Nikolov, N., Goyal, J. M., Henry, G. W., Williamson, M. H., Blumenthal, S., Anderson, D. R., Hellier, C., Charbonneau, D., Udry, S., Madhusudhan, N.

“…Helium is the second-most abundant element in the Universe after hydrogen and is one of the main constituents of gas-giant planets in our Solar System. Early…”
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Spectrally resolved helium absorption from the extended atmosphere of a warm Neptune-mass exoplanet by Allart, R, Bourrier, V, Lovis, C, Ehrenreich, D, Spake, J J, Wyttenbach, A, Pino, L, Pepe, F, Sing, D K, Lecavelier des Etangs, A

“…Stellar heating causes atmospheres of close-in exoplanets to expand and escape. These extended atmospheres are difficult to observe because their main spectral…”
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Detection of Fe i in the atmosphere of the ultra-hot Jupiter WASP-121b, and a new likelihood-based approach for Doppler-resolved spectroscopy by Gibson, Neale P, Merritt, Stephanie, Nugroho, Stevanus K, Cubillos, Patricio E, de Mooij, Ernst J W, Mikal-Evans, Thomas, Fossati, Luca, Lothringer, Joshua, Nikolov, Nikolay, Sing, David K, Spake, Jessica J, Watson, Chris A, Wilson, Jamie

“…ABSTRACT High-resolution Doppler-resolved spectroscopy has opened up a new window into the atmospheres of both transiting and non-transiting exoplanets. Here,…”
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Confirmation of water emission in the dayside spectrum of the ultrahot Jupiter WASP-121b by Mikal-Evans, Thomas, Sing, David K, Kataria, Tiffany, Wakeford, Hannah R, Mayne, Nathan J, Lewis, Nikole K, Barstow, Joanna K, Spake, Jessica J

“…ABSTRACT We present four new secondary eclipse observations for the ultrahot Jupiter WASP-121b acquired using the Hubble Space Telescope Wide Field Camera 3…”
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Single transit candidates from K2: detection and period estimation by Osborn, H. P., Armstrong, D. J., Brown, D. J. A., McCormac, J., Doyle, A. P., Louden, T. M., Kirk, J., Spake, J. J., Lam, K. W. F., Walker, S. R., Faedi, F., Pollacco, D. L.

“…Photometric surveys such as Kepler have the precision to identify exoplanet and eclipsing binary candidates from only a single transit. K2, with its 75 d…”
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An absolute sodium abundance for a cloud-free ‘hot Saturn’ exoplanet by Nikolov, N., Sing, D. K., Fortney, J. J., Goyal, J. M., Drummond, B., Evans, T. M., Gibson, N. P., De Mooij, E. J. W., Rustamkulov, Z., Wakeford, H. R., Smalley, B., Burgasser, A. J., Hellier, C., Helling, Ch, Mayne, N. J., Madhusudhan, N., Kataria, T., Baines, J., Carter, A. L., Ballester, G. E., Barstow, J. K., McCleery, J., Spake, J. J.

“…Broad absorption signatures from alkali metals, such as the sodium (Na i ) and potassium (K i ) resonance doublets, have long been predicted in the optical…”
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K2 variable catalogue – II. Machine learning classification of variable stars and eclipsing binaries in K2 fields 0–4 by Armstrong, D. J., Kirk, J., Lam, K. W. F., McCormac, J., Osborn, H. P., Spake, J., Walker, S., Brown, D. J. A., Kristiansen, M. H., Pollacco, D., West, R., Wheatley, P. J.

“…We are entering an era of unprecedented quantities of data from current and planned survey telescopes. To maximize the potential of such surveys, automated…”
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Diurnal variations in the stratosphere of the ultrahot giant exoplanet WASP-121b by Mikal-Evans, Thomas, Sing, David K., Barstow, Joanna K., Kataria, Tiffany, Goyal, Jayesh, Lewis, Nikole, Taylor, Jake, Mayne, Nathan J., Daylan, Tansu, Wakeford, Hannah R., Marley, Mark S., Spake, Jessica J.

“…The temperature profile of a planetary atmosphere is a key diagnostic of radiative and dynamical processes governing the absorption, redistribution and…”
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Abundance measurements of H2O and carbon-bearing species in the atmosphere of WASP-127b confirm its supersolar metallicity by Spake, Jessica J, Sing, David K, Wakeford, Hannah R, Nikolov, Nikolay, Mikal-Evans, Thomas, Deming, Drake, Barstow, Joanna K, Anderson, David R, Carter, Aarynn L, Gillon, Michael, Goyal, Jayesh M, Hebrard, Guillaume, Hellier, Coel, Kataria, Tiffany, Lam, Kristine W F, Triaud, A H M J, Wheatley, Peter J

“…ABSTRACT The chemical abundances of exoplanet atmospheres may provide valuable information about the bulk compositions, formation pathways, and evolutionary…”
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WASP-166b: a bloated super-Neptune transiting a V  = 9 star by Hellier, Coel, Anderson, D R, Triaud, A H M J, Bouchy, F, Burdanov, A, Collier Cameron, A, Delrez, L, Ehrenreich, D, Gillon, M, Jehin, E, Lendl, M, Linder, E, Nielsen, L D, Maxted, P F L, Pepe, F, Pollacco, D, Queloz, D, Ségransan, D, Smalley, B, Spake, J J, Temple, L Y, Udry, S, West, R G, Wyttenbach, A

“…Abstract We report the discovery of WASP-166b, a super-Neptune planet with a mass of 0.1 MJup (1.9 MNep) and a bloated radius of 0.63 RJup. It transits a…”
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Photodynamical mass determination of the multiplanetary system K2-19 by Barros, S. C. C., Almenara, J. M., Demangeon, O., Tsantaki, M., Santerne, A., Armstrong, D. J., Barrado, D., Brown, D., Deleuil, M., Lillo-Box, J., Osborn, H., Pollacco, D., Abe, L., Andre, P., Bendjoya, P., Boisse, I., Bonomo, A. S., Bouchy, F., Bruno, G., Cerda, J. Rey, Courcol, B., Díaz, R. F., Hébrard, G., Kirk, J., Lachurié, J. C., Lam, K. W. F., Martinez, P., McCormac, J., Moutou, C., Rajpurohit, A., Rivet, J.-P., Spake, J., Suarez, O., Toublanc, D., Walker, S. R.

“…K2-19 is the second multiplanetary system discovered with K2 observations. The system is composed of two Neptune size planets close to the 3:2 mean-motion…”
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WASP-135b: A Highly Irradiated, Inflated Hot Jupiter Orbiting a G5V Star by Spake, J. J., Brown, D. J. A., Doyle, A. P., Hébrard, G., McCormac, J., Armstrong, D. J., Pollacco, D., Chew, Y. Gómez Maqueo, Anderson, D. R., Barros, S. C. C., Bouchy, F., Boumis, P., Bruno, G., Cameron, A. Collier, Courcol, B., Davies, G. R., Faedi, F., Hellier, C., Kirk, J., Lam, K. W. F., Liakos, A., Louden, T., Maxted, P. F. L., Osborn, H. P., Palle, E., Arranz, J. Prieto, Udry, S., Walker, S. R., West, R. G., Wheatley, P. J.

“…We report the discovery of a new transiting planet from the WASP survey. WASP-135b is a hot Jupiter with radius 1.30 0.09 RJup, mass 1.90 0.08 MJup, and an…”
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Using helium 10 830 Å transits to constrain planetary magnetic fields by Schreyer, Ethan, Owen, James E, Spake, Jessica J, Bahroloom, Zahra, Di Giampasquale, Simone

“…ABSTRACT Planetary magnetic fields can affect the predicted mass-loss rate for close-in planets that experience large amounts of ultraviolet irradiation. In…”
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The Upper Edge of the Neptune Desert Is Stable Against Photoevaporation by Vissapragada, Shreyas, Knutson, Heather A., Greklek-McKeon, Michael, Oklopčić, Antonija, Dai, Fei, dos Santos, Leonardo A., Jovanovic, Nemanja, Mawet, Dimitri, Millar-Blanchaer, Maxwell A., Paragas, Kimberly, Spake, Jessica J., Tinyanont, Samaporn, Vasisht, Gautam

“…Abstract Transit surveys indicate that there is a deficit of Neptune-sized planets on close-in orbits. If this “Neptune desert” is entirely cleared out by…”
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UV absorption by silicate cloud precursors in ultra-hot Jupiter WASP-178b by Lothringer, Joshua D., Sing, David K., Rustamkulov, Zafar, Wakeford, Hannah R., Stevenson, Kevin B., Nikolov, Nikolay, Lavvas, Panayotis, Spake, Jessica J., Winch, Autumn T.

“…Aerosols have been found to be nearly ubiquitous in substellar atmospheres 1 – 3 . The precise temperature at which these aerosols begin to form in exoplanets…”
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Non-detection of He I in the Atmosphere of GJ 1214b with Keck/NIRSPEC, at a Time of Minimal Telluric Contamination by Spake, Jessica J., Oklopčić, A., Hillenbrand, L. A., Knutson, Heather A., Kasper, David, Dai, Fei, Orell-Miquel, Jaume, Vissapragada, Shreyas, Zhang, Michael, Bean, Jacob L.

“…Abstract Observations of helium in exoplanet atmospheres may reveal the presence of large gaseous envelopes and indicate ongoing atmospheric escape…”
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Solar-to-supersolar sodium and oxygen absolute abundances for a ‘hot Saturn’ orbiting a metal-rich star by Nikolov, Nikolay K, Sing, David K, Spake, Jessica J, Smalley, Barry, Goyal, Jayesh M, Mikal-Evans, Thomas, Wakeford, Hannah R, Rustamkulov, Zafar, Deming, Drake, Fortney, Jonathan J, Carter, Aarynn, Gibson, Neale P, Mayne, Nathan J

“…ABSTRACT We present new analysis of infrared transmission spectroscopy of the cloud-free hot-Saturn WASP-96b performed with the Hubble and Spitzer Space…”
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The post-transit tail of WASP-107b observed at 10830A by Spake, J. J, Oklopčić, A, Hillenbrand, L. A

“…Understanding the effects of high-energy radiation and stellar winds on planetary atmospheres is vital for explaining the observed properties of close-in…”
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The Transiting Exoplanet Community Early Release Science Program for JWST by Bean, Jacob L., Stevenson, Kevin B., Batalha, Natalie M., Berta-Thompson, Zachory, Kreidberg, Laura, Crouzet, Nicolas, Benneke, Björn, Line, Michael R., Sing, David K., Wakeford, Hannah R., Knutson, Heather A., Kempton, Eliza M.-R., Désert, Jean-Michel, Crossfield, Ian, Batalha, Natasha E., Wit, Julien de, Parmentier, Vivien, Harrington, Joseph, Moses, Julianne I., Lopez-Morales, Mercedes, Alam, Munazza K., Bruno, Giovanni, Carter, Aarynn L., Chapman, John W., Decin, Leen, Dragomir, Diana, Evans, Thomas M., Fortney, Jonathan J., Fraine, Jonathan D., Gao, Peter, Muñoz, Antonio García, Gibson, Neale P., Goyal, Jayesh M., Heng, Kevin, Hu, Renyu, Kendrew, Sarah, Kilpatrick, Brian M., Krick, Jessica, Lagage, Pierre-Olivier, Lendl, Monika, Louden, Tom, Madhusudhan, Nikku, Mandell, Avi M., Mansfield, Megan, May, Erin M., Morello, Giuseppe, Morley, Caroline V., Nikolov, Nikolay, Redfield, Seth, Roberts, Jessica E., Schlawin, Everett, Spake, Jessica J., Todorov, Kamen O., Tsiaras, Angelos, Venot, Olivia, Waalkes, William C., Wheatley, Peter J., Zellem, Robert T., Angerhausen, Daniel, Barrado, David, Carone, Ludmila, Casewell, Sarah L., Cubillos, Patricio E., Damiano, Mario, Val-Borro, Miguel de, Drummond, Benjamin, Edwards, Billy, Endl, Michael, Espinoza, Nestor, France, Kevin, Gizis, John E., Greene, Thomas P., Henning, Thomas K., Hong, Yucian, Ingalls, James G., Iro, Nicolas, Irwin, Patrick G. J., Kataria, Tiffany, Lahuis, Fred, Leconte, Jérémy, Lillo-Box, Jorge, Lines, Stefan, Lothringer, Joshua D., Mancini, Luigi, Marchis, Franck, Mayne, Nathan, Palle, Enric, Rauscher, Emily, Roudier, Gaël, Shkolnik, Evgenya L., Swain, Mark R., Taylor, Jake, Teske, Johanna, Tinetti, Giovanna, Tremblin, Pascal, Tucker, Gregory S., Boekel, Roy van, Waldmann, Ingo P., Weaver, Ian C., Zingales, Tiziano

“…The James Webb Space Telescope (JWST) presents the opportunity to transform our understanding of planets and the origins of life by revealing the atmospheric…”
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High-resolution confirmation of an extended helium atmosphere around WASP-107b by Allart, R, Bourrier, V, Lovis, C, Ehrenreich, D, Aceituno, J, Guijarro, A, Pepe, F, Sing, D. K, Spake, J. J, Wyttenbach, A

“…A&A 623, A58 (2019) Probing the evaporation of exoplanet atmospheres is key to understanding the formation and evolution of exoplanetary systems. The main…”
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