Search Results - "Calcutt, S. B."

A hexagon in Saturn’s northern stratosphere surrounding the emerging summertime polar vortex by Fletcher, L. N., Orton, G. S., Sinclair, J. A., Guerlet, S., Read, P. L., Antuñano, A., Achterberg, R. K., Flasar, F. M., Irwin, P. G. J., Bjoraker, G. L., Hurley, J., Hesman, B. E., Segura, M., Gorius, N., Mamoutkine, A., Calcutt, S. B.

“…Saturn’s polar stratosphere exhibits the seasonal growth and dissipation of broad, warm vortices poleward of ~75° latitude, which are strongest in the summer…”
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Structure and dynamics of the Martian lower and middle atmosphere as observed by the Mars Climate Sounder: Seasonal variations in zonal mean temperature, dust, and water ice aerosols by McCleese, D. J., Heavens, N. G., Schofield, J. T., Abdou, W. A., Bandfield, J. L., Calcutt, S. B., Irwin, P. G. J., Kass, D. M., Kleinböhl, A., Lewis, S. R., Paige, D. A., Read, P. L., Richardson, M. I., Shirley, J. H., Taylor, F. W., Teanby, N., Zurek, R. W.

“…The first Martian year and a half of observations by the Mars Climate Sounder aboard the Mars Reconnaissance Orbiter has revealed new details of the thermal…”
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Mars Climate Sounder: An investigation of thermal and water vapor structure, dust and condensate distributions in the atmosphere, and energy balance of the polar regions by McCleese, D. J., Schofield, J. T., Taylor, F. W., Calcutt, S. B., Foote, M. C., Kass, D. M., Leovy, C. B., Paige, D. A., Read, P. L., Zurek, R. W.

“…Against a backdrop of intensive exploration of the Martian surface environment, intended to lead to human exploration, some aspects of the modern climate and…”
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Temperature and Composition of Saturn's Polar Hot Spots and Hexagon by Fletcher, L. N., Irwin, P. G. J., Orton, G. S., Teanby, N. A., Achterberg, R. K., Bjoraker, G. L., Read, P. L., Simon-Miller, A. A., Howett, C., de Kok, R., Bowles, N., Calcutt, S. B., Hesman, B., Flasar, F. M.

“…Saturn's poles exhibit an unexpected symmetry in hot, cyclonic polar vortices, despite huge seasonal differences in solar flux. The cores of both vortices are…”
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Titan's winter polar vortex structure revealed by chemical tracers by Teanby, N. A., de Kok, R., Irwin, P. G. J., Osprey, S., Vinatier, S., Gierasch, P. J., Read, P. L., Flasar, F. M., Conrath, B. J., Achterberg, R. K., Bézard, B., Nixon, C. A., Calcutt, S. B.

“…The winter polar vortex on Saturn's largest moon Titan has profound effects on atmospheric circulation and chemistry and for the current northern midwinter…”
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Multispectral imaging observations of Neptune’s cloud structure with Gemini-North by Irwin, P.G.J., Teanby, N.A., Davis, G.R., Fletcher, L.N., Orton, G.S., Tice, D., Hurley, J., Calcutt, S.B.

“…► Neptune found to have two thin clouds, one at ∼2 bar and the other at between 0.05 and 0.2 bar. ► Single-scattering albedo of particles in the upper cloud…”
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Characterising Saturn's vertical temperature structure from Cassini/CIRS by Fletcher, L.N., Irwin, P.G.J., Teanby, N.A., Orton, G.S., Parrish, P.D., de Kok, R., Howett, C., Calcutt, S.B., Bowles, N., Taylor, F.W.

“…Thermal infrared spectra of Saturn from 10–1400 cm −1 at 15 cm −1 spectral resolution and a spatial resolution of 1°–2° latitude have been obtained by the…”
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Oxygen compounds in Titan's stratosphere as observed by Cassini CIRS by de Kok, R., Irwin, P.G.J., Teanby, N.A., Lellouch, E., Bézard, B., Vinatier, S., Nixon, C.A., Fletcher, L., Howett, C., Calcutt, S.B., Bowles, N.E., Flasar, F.M., Taylor, F.W.

“…We have investigated the abundances of Titan's stratospheric oxygen compounds using 0.5 cm−1 resolution spectra from the Composite Infrared Spectrometer on the…”
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Characteristics of Titan's stratospheric aerosols and condensate clouds from Cassini CIRS far-infrared spectra by de Kok, R., Irwin, P.G.J., Teanby, N.A., Nixon, C.A., Jennings, D.E., Fletcher, L., Howett, C., Calcutt, S.B., Bowles, N.E., Flasar, F.M., Taylor, F.W.

“…Four broad spectral features were identified in far-infrared limb spectra from the Cassini Composite Infrared Spectrometer (CIRS), two of which have not been…”
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Global and temporal variations in hydrocarbons and nitriles in Titan's stratosphere for northern winter observed by Cassini/CIRS by Teanby, N.A., Irwin, P.G.J., de Kok, R., Nixon, C.A., Coustenis, A., Royer, E., Calcutt, S.B., Bowles, N.E., Fletcher, L., Howett, C., Taylor, F.W.

“…Mid-infrared spectra measured by Cassini's Composite InfraRed Spectrometer (CIRS) between July 2004 and January 2007 ( L s = 293 ° – 328 ° ) have been used to…”
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Intense polar temperature inversion in the middle atmosphere on Mars by McCleese, D. J, Taylor, F. W, Schofield, J. T, Abdou, W. A, Aharonson, O, Banfield, D, Calcutt, S. B, Heavens, N. G, Irwin, P. G. J, Kass, D. M, Kleinböhl, A, Lawson, W. G, Leovy, C. B, Lewis, S. R, Paige, D. A, Read, P. L, Richardson, M. I, Teanby, N, Zurek, R. W

“…Current understanding of weather, climate and global atmospheric circulation on Mars is incomplete, in particular at altitudes above about 30 km. General…”
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Further seasonal changes in Uranus’ cloud structure observed by Gemini-North and UKIRT by Irwin, P.G.J., Teanby, N.A., Davis, G.R., Fletcher, L.N., Orton, G.S., Calcutt, S.B., Tice, D.S., Hurley, J.

“…► Uranus’ zone at 45°N has brightened and counterpart zone at 45°S has faded during 2006–2010. ► H-band spectra (1.4–1.8μm) have similar sensitivity to main…”
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Variability of CO concentrations in the Venus troposphere from Venus Express/VIRTIS using a Band Ratio Technique by Tsang, C.C.C., Taylor, F.W., Wilson, C.F., Liddell, S.J., Irwin, P.G.J., Piccioni, G., Drossart, P., Calcutt, S.B.

“…A fast method is presented for deriving the tropospheric CO concentrations in the Venus atmosphere from near-infrared spectra using the night side 2.3 μm…”
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Improved Design of an Advanced Ice Giants Net Flux Radiometer by Aslam, S., Calcutt, S. B., Hewagama, T., Irwin, P. G., Nixon, C., Quilligan, G., Roos-Serote, M. C., Villanueva, G.

“…In this paper, the improved design of an Ice Giants Net Flux Radiometer (IG-NFR), for inclusion as a payload on a future Uranus probe mission, is given. IG-NFR…”
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The meridional phosphine distribution in Saturn's upper troposphere from Cassini/CIRS observations by Fletcher, L.N., Irwin, P.G.J., Teanby, N.A., Orton, G.S., Parrish, P.D., Calcutt, S.B., Bowles, N., de Kok, R., Howett, C., Taylor, F.W.

“…The Cassini Composite Infrared Spectrometer (CIRS) has been used to derive the vertical and meridional variation of temperature and phosphine (PH 3) abundance…”
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Meridional variations in stratospheric acetylene and ethane in the southern hemisphere of the saturnian atmosphere as determined from Cassini/CIRS measurements by Howett, C.J.A., Irwin, P.G.J., Teanby, N.A., Simon-Miller, A., Calcutt, S.B., Fletcher, L.N., de Kok, R.

“…These are the first results from nadir studies of meridional variations in the abundance of stratospheric acetylene and ethane from Cassini/CIRS data in the…”
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Advanced Net Flux Radiometer for the Ice Giants by Aslam, S., Achterberg, R. K., Calcutt, S. B., Cottini, V., Gorius, N. J., Hewagama, T., Irwin, P. G., Nixon, C. A., Quilligan, G., Roos-Serote, M., Simon, A. A., Tran, D., Villanueva, G.

“…The design of an advanced Net Flux Radiometer (NFR), for inclusion as a payload on a future Ice Giants probe mission, is given. The Ice Giants NFR (IG-NFR)…”
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Retrievals of jovian tropospheric phosphine from Cassini/CIRS by Irwin, P.G.J., Parrish, P., Fouchet, T., Calcutt, S.B., Taylor, F.W., Simon-Miller, A.A., Nixon, C.A.

“…On December 30th, 2000, the Cassini–Huygens spacecraft reached the perijove milestone on its continuing journey to the Saturnian System. During an extended…”
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Seismic Coupling of Short-Period Wind Noise Through Mars’ Regolith for NASA’s InSight Lander by Teanby, N. A., Stevanović, J., Wookey, J., Murdoch, N., Hurley, J., Myhill, R., Bowles, N. E., Calcutt, S. B., Pike, W. T.

“…NASA’s InSight lander will deploy a tripod-mounted seismometer package onto the surface of Mars in late 2018. Mars is expected to have lower seismic activity…”
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Cloud structure and atmospheric composition of Jupiter retrieved from Galileo near-infrared mapping spectrometer real-time spectra by Irwin, P. G. J., Weir, A. L., Smith, S. E., Taylor, F. W., Lambert, A. L., Calcutt, S. B., Cameron‐Smith, P. J., Carlson, R. W., Baines, K., Orton, G. S., Drossart, P., Encrenaz, T., Roos‐Serote, M.

“…The first four complete spectra recorded by the near infrared mapping spectrometer (NIMS) instrument on the Galileo spacecraft in 1996 have been analyzed…”
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