Search Results - "Cowan, N B"

Zones, spots, and planetary-scale waves beating in brown dwarf atmospheres by Apai, D., Karalidi, T., Marley, M. S., Yang, H., Flateau, D., Metchev, S., Cowan, N. B., Buenzli, E., Burgasser, A. J., Radigan, J., Artigau, E., Lowrance, P.

“…Brown dwarfs are massive analogs of extrasolar giant planets and may host types of atmospheric circulation not seen in the solar system. We analyzed a…”
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Inferring planetary obliquity using rotational and orbital photometry by Schwartz, J. C., Sekowski, C., Haggard, H. M., Pallé, E., Cowan, N. B.

“…The obliquity of a terrestrial planet is an important clue about its formation and critical to its climate. Previous studies using simulated photometry of…”
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Pixel level decorrelation in service of the Spitzer microlens parallax survey by Dang, Lisa, Calchi Novati, S, Carey, S, Cowan, N B

“…ABSTRACT Microlens parallax measurements combining space-based and ground-based observatories can be used to study planetary demographics. In recent years, the…”
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Characterizing Transiting Planet Atmospheres through 2025 by Cowan, N. B., Greene, T., Angerhausen, D., Batalha, N. E., Clampin, M., Colón, K., Crossfield, I. J. M., Fortney, J. J., Gaudi, B. S., Harrington, J., Iro, N., Lillie, C. F., Linsky, J. L., Lopez-Morales, M., Mandell, A. M., Stevenson, K. B.

“…The discovery of planets around other stars is revolutionizing our notions of planet formation and is poised to do the same for planetary climate. Studying…”
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Hot nights on extrasolar planets: mid-infrared phase variations of hot Jupiters by Cowan, N. B., Agol, E., Charbonneau, D.

“…We present results from Spitzer Space Telescope observations of the mid-infrared phase variations of three short-period extrasolar planetary systems: HD…”
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Balancing the energy budget of short-period giant planets: evidence for reflective clouds and optical absorbers by Schwartz, J. C., Cowan, N. B.

“…We consider 50 transiting short-period giant planets for which eclipse depths have been measured at multiple infrared wavelengths. The aggregate dayside…”
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Knot a Bad Idea: Testing BLISS Mapping for Spitzer Space Telescope Photometry by Schwartz, J. C., Cowan, N. B.

“…Much of transiting exoplanet science relies on high-precision photometry. The current generation of instruments can exhibit sensitivity variations greater than…”
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A More Informative Map: Inverting Thermal Orbital Phase and Eclipse Lightcurves of Exoplanets by Rauscher, E, Suri, V, Cowan, N. B

“…Only one exoplanet has so far been mapped in both longitude and latitude, but the James Webb Space Telescope should provide mapping-quality data for dozens of…”
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K2 and Spitzer phase curves of the rocky ultra-short-period planet K2-141 b hint at a tenuous rock vapor atmosphere by Zieba, S, Zilinskas, M, Kreidberg, L, Nguyen, T. G, Miguel, Y, Cowan, N. B, Pierrehumbert, R, Carone, L, Dang, L, Hammond, M, Louden, T, Lupu, R, Malavolta, L, Stevenson, K. B

“…A&A 664, A79 (2022) K2-141 b is a transiting, small (1.5 Re) ultra-short-period (USP) planet discovered by Kepler orbiting a K-dwarf host star every 6.7 hours…”
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The relative prognostic value of lactate and haemodynamic measurements in early shock by Cowan, B N, Burns, H J, Boyle, P, Ledingham, I M

“…A prospective study was completed of 30 shocked patients admitted consecutively to an intensive therapy unit; the majority of the patients had shock of septic…”
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Homogeneous search for helium in the atmosphere of 11 gas giant exoplanets with SPIRou by Allart, R, Lemée-Joliecoeur, P. -B, Jaziri, A. Y, Lafrenière, D, Artigau, E, Cook, N, Darveau-Bernier, A, Dang, L, Cadieux, C, Boucher, A, Bourrier, V, Deibert, E. K, Pelletier, S, Radica, M, Benneke, B, Carmona, A, Cloutier, R, Cowan, N. B, Delfosse, X, Donati, J. -F, Doyon, R, Figueira, P, Forveille, T, Fouqué, P, Gaidos, E, Gu, P. -G, Hébrard, G, Kiefer, F, Kóspál, Á, Jayawardhana, R, Martioli, E, Santos, L. A. Dos, Turner, H. Shang J. D, Vidotto, A

“…A&A 677, A164 (2023) The metastable helium triplet in the near-infrared (10833{\AA}) is among the most important probes of exoplanet atmospheres. It can trace…”
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TESS unveils the optical phase curve of KELT-1b. Thermal emission and ellipsoidal variation from the brown dwarf companion, and activity from the star by von Essen, C, Mallonn, M, Piette, A, Cowan, N. B, Madhusudhan, N, Agol, E, Antoci, V, Poppenhaeger, K, Stassun, K. G, Khalafinejad, S, Tautvaišienė, G

“…We present the detection and analysis of the phase curve of KELT-1b at optical wavelengths, analyzing data taken by the Transiting Exoplanet Survey Satellite…”
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Knot a Bad Idea: Testing BLISS Mapping for Spitzer SPACE Telescope Photometry by Schwartz, J. C., Cowan, N. B.

“…Much of transiting exoplanet science relies on high-precision photometry. The current generation of instruments can exhibit sensitivity variations greater than…”
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Inverting Phase Functions to Map Exoplanets by Cowan, Nicolas B, Agol, Eric

“…We describe how to generate a longitudinal brightness map for a tidally locked exoplanet from its phase function light curve. We operate under a number of…”
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Features in the Broadband Eclipse Spectra of Exoplanets: Signal or Noise? by Hansen, C. J, Schwartz, J. C, Cowan, N. B

“…A planet's emission spectrum contains information about atmospheric composition and structure. We compare the Bayesian Information Criterion (BIC) of blackbody…”
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Planet-Induced Stellar Pulsations in HAT-P-2's Eccentric System by de Wit, J, Lewis, N. K, Knutson, H. A, Fuller, J, Antoci, V, Fulton, B. J, Laughlin, G, Deming, D, Shporer, A, Batygin, K, Cowan, N. B, Agol, E, Burrows, A. S, Fortney, J. J, Langton, J, Showman, A. P

“…2017, ApJL, 836, L17 Extrasolar planets on eccentric short-period orbits provide a laboratory in which to study radiative and tidal interactions between a…”
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Low-resolution near-infrared spectroscopic signatures of unresolved ultracool companions to M dwarfs by Cook, N. J, Pinfield, D. J, Marocco, F, Burningham, B, Jones, H. R. A, Frith, J, Zhong, J, Luo, A. L, Qi, Z. X, Cowan, N. B, Gromadzki, M, Kurtev, R. G, Guo, Y. X, Wang, Y. F, Song, Y. H, Yi, Z. P, Smart, R. L

“…We develop a method to identify the spectroscopic signature of unresolved L-dwarf ultracool companions, which compares the spectra of candidates and their…”
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Low-resolution near-infrared spectroscopic signatures of unresolved ultracool companions to M dwarfs by Cook, N. J., Pinfield, D. J., Marocco, F., Burningham, B., Jones, H. R. A., Frith, J., Zhong, J., Luo, A. L., Qi, Z. X., Cowan, N. B., Gromadzki, M., Kurtev, R. G., Guo, Y. X., Wang, Y. F., Song, Y. H., Yi, Z. P., Smart, R. L.

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The Environment of Galaxies at Low Redshift by Cowan, Nicolas B, Ivezić, Željko

“…We compare environmental effects in two analogous samples of galaxies, one from the Sloan Digital Sky Survey (SDSS) and the other from a semianalytic model…”
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Characterizing Transiting Planet Atmospheres through 2025 by Cowan, N. B, Greene, T, Angerhausen, D, Batalha, N. E, Clampin, M, Colon, K, Crossfield, I. J. M, Fortney, J. J, Gaudi, B. S, Harrington, J, Iro, N, Lillie, C. F, Linsky, J. L, Lopez-Morales, M, Mandell, A. M, Stevenson, K. B

“…[Abridged] We have only been able to comprehensively characterize the atmospheres of a handful of transiting planets, because most orbit faint stars. TESS will…”
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