Search Results - "LIVENGOOD, T. A"

Titan's stratospheric zonal wind, temperature, and ethane abundance a year prior to Huygens insertion by Kostiuk, T., Livengood, T. A., Hewagama, T., Sonnabend, G., Fast, K. E., Murakawa, K., Tokunaga, A. T., Annen, J., Buhl, D., Schmülling, F.

“…Saturn's satellite, Titan, may have stratospheric winds up to ∼210 m/s, circling Titan in ∼1 terrestrial day compared to its 16‐day rotation. Theoretical…”
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Stratospheric global winds on Titan at the time of Huygens descent by Kostiuk, T., Livengood, T. A., Sonnabend, G., Fast, K. E., Hewagama, T., Murakawa, K., Tokunaga, A. T., Annen, J., Buhl, D., Schmülling, F., Luz, D., Witasse, O.

“…Measurements of stratospheric zonal winds on Titan were made in preparation for and during the time of the descent of the Huygens Probe into Titan's atmosphere…”
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Hydrogen distribution in the lunar polar regions by Sanin, A.B., Mitrofanov, I.G., Litvak, M.L., Bakhtin, B.N., Bodnarik, J.G., Boynton, W.V., G. Chin, Evans, L.G., Harshman, K., Fedosov, F., Golovin, D.V., Kozyrev, A.S., Livengood, T.A., Malakhov, A.V., McClanahan, T.P., Mokrousov, M.I., Starr, R.D., Sagdeev, R.Z., Tret'yakov, V.I., Vostrukhin, A.A.

“…•LEND/LRO instrument neutron counting data sets have been analyzed to create high resolution maps of epithermal neutron flux at polar regions of the Moon.•The…”
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High-resolution infrared spectroscopy of ethane in Titan's stratosphere in the Huygens epoch by Livengood, T. A., Kostiuk, T., Sonnabend, G., Annen, J. N., Fast, K. E., Tokunaga, A., Murakawa, K., Hewagama, T., Schmülling, F., Schieder, R.

“…High‐resolution infrared spectroscopy of ethane (C2H6) emission features formed in the stratosphere of Titan was collected on disc center at 11.74 μm…”
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Evidence for Widespread Hydrogen Sequestration within the Moon’s South Pole Cold Traps by McClanahan, T. P., Parsons, A. M., Livengood, T. A., Su, J. J., Chin, G., Hamara, D., Harshman, K., Starr, R. D.

“…Abstract Hydrogen-bearing volatiles are observed to be concentrated, likely in the form of water ice, within most of the Moon's permanently shadowed regions…”
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Background and lunar neutron populations detected by LEND and average concentration of near-surface hydrogen near the Moon's poles by Livengood, T.A., Mitrofanov, I.G., Chin, G., Boynton, W.V., Bodnarik, J.G., Evans, L.G., Harshman, K.P., Litvak, M.L., McClanahan, T.P., Sagdeev, R.Z., Sanin, A.B., Starr, R.D., Su, J.J.

“…Neutron flux measurements by the Lunar Exploration Neutron Detector (LEND) on the Lunar Reconnaissance Orbiter (LRO) enable quantifying hydrogen-bearing…”
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Views from EPOXI: Colors in Our Solar System as an Analog for Extrasolar Planets by Crow, Carolyn A, McFadden, L. A, Robinson, T, Meadows, V. S, Livengood, T. A, Hewagama, T, Barry, R. K, Deming, L. D, Lisse, C. M, Wellnitz, Dennis

“…The first visible-light studies of Earth-sized extrasolar planets will employ photometry or low-resolution spectroscopy. This work uses EPOCh medium-band…”
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Moonshine: Diurnally varying hydration through natural distillation on the Moon, detected by the Lunar Exploration Neutron Detector (LEND) by Livengood, T.A., Chin, G., Sagdeev, R.Z., Mitrofanov, I.G., Boynton, W.V., Evans, L.G., Litvak, M.L., McClanahan, T.P., Sanin, A.B., Starr, R.D., Su, J.J.

“…•LEND on LRO detects diurnally varying suppression of epithermal neutron flux near the Moon’s equator.•Neutron suppression is consistent with presence of…”
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Evidence for the sequestration of hydrogen-bearing volatiles towards the Moon’s southern pole-facing slopes by McClanahan, T.P., Mitrofanov, I.G., Boynton, W.V., Chin, G., Bodnarik, J., Droege, G., Evans, L.G., Golovin, D., Hamara, D., Harshman, K., Litvak, M., Livengood, T.A., Malakhov, A., Mazarico, E., Milikh, G., Nandikotkur, G., Parsons, A., Sagdeev, R., Sanin, A., Starr, R.D., Su, J.J., Murray, J.

“…•Concentrations of hydrogen-bearing volatiles are biased towards the Moon's southern pole-facing slopes.•Pole-facing slopes are being hydrated in a continuum…”
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The variations of neutron component of lunar radiation background from LEND/LRO observations by Litvak, M.L., Mitrofanov, I.G, Sanin, A.B., Bakhtin, B.N., Bodnarik, J.G., Boynton, W.V., Chin, G., Evans, L.G., Harshman, K., Livengood, T.A., Malakhov, A., Mokrousov, M.I., McClanahan, Т.P., Sagdeev, R., Starr, R.

“…Lunar neutron flux data measured by the Lunar Exploration Neutron Detector (LEND) onboard NASA׳s Lunar Reconnaissance Orbiter (LRO) were analyzed for the…”
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Refraction by Earth’s Atmosphere near 12 Microns by Livengood, T. A., Fast, K. E., Kostiuk, T., Espenak, F., Buhl, D., Goldstein, J. J., Hewagama, T., Ro, K. H.

“…We have measured chromatic differential refraction of astronomical images by the Earth’s atmosphere, comparing visible light at 500–600 nm with infrared near…”
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Response of the Io plasma torus to comet Shoemaker-Levy 9 by MCGRATH, M. A, HALL, D. T, LIVENGOOD, T. A, PRANGE, R, FESTOU, M. C, MATHESON, P. L, WEAVER, H. A, TRAUGER, J. T, SMITH, T. E, THOMAS, N, GLADSTONE, R, SCHNEIDER, N. M, HARRIS, W. M

“…Spectroscopic and imaging observations of the Io plasma torus were made in June and July 1994 in conjunction with the encounter of periodic comet…”
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Stratospheric ozone profiles from Mauna Kea, Hawai'i (19.8°N, 155.5°W) using infrared heterodyne spectroscopy, 1988–2003 by Fast, Kelly E., Kostiuk, Theodor, Espenak, Fred, Livengood, Timothy A., Hewagama, Tilak, A'Hearn, Michael F.

“…We present stratospheric ozone abundance profiles retrieved from absorption spectroscopy of the atmosphere backlit by thermal continuum emission of the Moon…”
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Temporal monitoring of Jupiter's auroral activity with IUE during the Galileo mission. Implications for magnetospheric processes by Prangé, Renée, Chagnon, Gilles, G. Kivelson, Margaret, A. Livengood, Timothy, Kurth, William

“…In this study, we analyze FUV auroral spectra of Jupiter acquired on a quasi-continuous basis between August 17 and September 25, 1996 as part of the last IUE…”
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Direct wind measurements from November 2007 in Venus’ upper atmosphere using ground-based heterodyne spectroscopy of CO 2 at 10 μm wavelength by Sornig, M., Livengood, T.A., Sonnabend, G., Stupar, D., Kroetz, P.

“…► Dynamics in the upper atmosphere of Venus by measuring the Doppler shift. ► Narrow altitude region in Venus’ atmosphere around 110 ± 10 km (1 lbar). ► The…”
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Direct wind measurements from November 2007 in Venus’ upper atmosphere using ground-based heterodyne spectroscopy of CO2 at 10μm wavelength by Sornig, M., Livengood, T.A., Sonnabend, G., Stupar, D., Kroetz, P.

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Infrared Observations Of Dust Emission From Comet Hale-Bopp by Lisse, C. M, Fernández, Y. R, A'hearn, M. F, Kostiuk, T, Livengood, T. A, Käufl, H. U, Hoffmann, W. F, Dayal, A, Ressler, M. E, Hanner, M. S, Fazio, G. G, Hora, J. L, Peschke, S. B, Grün, E, Deutsch, L. K

“…We present infrared imaging and photometry of the bright, giant comet C/1995 O1 (Hale-Bopp). The comet was observed in an extended infrared and optical…”
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Long term evolution of temperature in the venus upper atmosphere at the evening and morning terminators by Krause, P., Sornig, M., Wischnewski, C., Kostiuk, T., Livengood, T.A., Herrmann, M., Sonnabend, G., Stangier, T., Wiegand, M., Pätzold, M., Mahieux, A., Vandaele, A.C., Piccialli, A., Montmessin, F.

“…•First long-term temperature study of the upper mesosphere by ground-based infrared heterodyne spectroscopy.•Temperatures in a range of 140–240 K are found…”
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Direct wind measurements from November 2007 in Venus' upper atmosphere using ground-based heterodyne spectroscopy of CO2 at 10<ce:hsp sp="0.25"/> mu m wavelength by Sornig, M, Livengood, T A, Sonnabend, G, Stupar, D, Kroetz, P

“…Between November 23 and 28, 2007, the Cologne Tuneable Heterodyne Infrared Spectrometer THIS was installed at the McMath-Pierce Solar Telescope (Kitt Peak,…”
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Direct wind measurements from November 2007 in Venus' upper atmosphere using ground-based heterodyne spectroscopy of CO2 at 10 μm wavelength: Advances in Venus Science by SORNIG, M, LIVENGOOD, T. A, SONNABEND, G, STUPAR, D, KROETZ, P

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