Search Results - "Hunten, D."

The abundances of constituents of Titan's atmosphere from the GCMS instrument on the Huygens probe by Carignan, G. R, Lunine, J. I, Israel, G, Kasprzak, W. T, Harpold, D. N, Demick, J. E, Paulkovich, M, Raaen, E, Raulin, F, Bauer, S. J, Haberman, J. A, Atreya, S. K, Niemann, H. B, Frost, R. L, Gautier, D, Hunten, D. M, Way, S. H, Owen, T. C

“…Saturn's largest moon, Titan, remains an enigma, explored only by remote sensing from Earth, and by the Voyager and Cassini spacecraft. The most puzzling…”
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The sequestration of ethane on Titan in smog particles by Hunten, D. M

“…Saturn's largest satellite, Titan, has a dense atmosphere of nitrogen with a few per cent of methane. At visible wavelengths its surface is hidden by dense…”
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Helium in Jupiter's atmosphere: Results from the Galileo probe Helium Interferometer Experiment by Zahn, U., Hunten, D. M., Lehmacher, G.

“…On December 7, 1995, the NASA Galileo probe provided the first in situ measurements of the helium abundance in the atmosphere of Jupiter. Our Jamin…”
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Mars' South Polar Ar Enhancement: A Tracer for South Polar Seasonal Meridional Mixing by Sprague, A. L., Boynton, W. V., Kerry, K. E., Janes, D. M., Hunten, D. M., Kim, K. J., Reedy, R. C., Metzger, A. E.

“…The gamma ray spectrometer on the Mars Odyssey spacecraft measured an enhancement of atmospheric argon over southern high latitudes during autumn followed by…”
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The composition of the Jovian atmosphere as determined by the Galileo probe mass spectrometer by Niemann, H. B., Atreya, S. K., Carignan, G. R., Donahue, T. M., Haberman, J. A., Harpold, D. N., Hartle, R. E., Hunten, D. M., Kasprzak, W. T., Mahaffy, P. R., Owen, T. C., Way, S. H.

“…The Galileo probe mass spectrometer determined the composition of the Jovian atmosphere for species with masses between 2 and 150 amu from 0.5 to 21.1 bars…”
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Mars atmospheric water vapor abundance: 1991–1999, emphasis 1998–1999 by Sprague, A.L., Hunten, D.M., Doose, L.R., Hill, R.E., Boynton, W.V., Smith, M.D., Pearl, J.C.

“…Our ground-based measurements of martian atmospheric water vapor, made throughout L s = 34 ° to 249°, 24 September 1998 to 23 November 1999, during Mars year…”
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The Galileo Probe Mass Spectrometer: Composition of Jupiter's Atmosphere by Niemann, Hasso B., Atreya, Sushil K., Carignan, George R., Donahue, Thomas M., Haberman, John A., Harpold, Dan N., Hartle, Richard E., Hunten, Donald M., Kasprzak, Wayne T., Mahaffy, Paul R., Owen, Tobias C., Spencer, Nelson W., Way, Stanley H.

“…The composition of the jovian atmosphere from 0.5 to 21 bars along the descent trajectory was determined by a quadrupole mass spectrometer on the Galileo…”
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The Helium Mass Fraction in Jupiter's Atmosphere by von Zahn, U., Hunten, D. M.

“…On 7 December 1995, the NASA Galileo probe provided in situ measurements of the helium abundance in the atmosphere of Jupiter. A Jamin interferometer measured…”
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The Gas Chromatograph Mass Spectrometer for the Huygens Probe by Niemann, Hb, Atreya, Sk, Bauer, Sj, Biemann, K, Block, B, Carignan, Gr, Donahue, Tm, Frost, Rl, Gautier, D, Haberman, Ja, Harpold, D, Hunten, Dm, Israel, G, Lunine, Ji, Mauersberger, K, Owen, Tc, Raulin, F, Richards, Je, Way, Sh

“…The Gas Chromatograph Mass Spectrometer (GCMS) on the Huygens Probe will measure the chemical composition of Titan's atmosphere from 170 km altitude (1 hPa) to…”
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Observations of Mercury's exosphere: Spatial distributions and variations of its Na component during August 8, 9 and 10, 2003 by Leblanc, F., Barbieri, C., Cremonese, G., Verani, S., Cosentino, R., Mendillo, M., Sprague, A., Hunten, D.

“…Following the observations of August 2002 [Barbieri, C., Verani, S., Cremonese, G., Sprague, A., Mendillo, M., Cosentino, R., Hunten, D., 2004. Planet. Space…”
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Planetary science. Clues to the Martian atmosphere by Hunten, D M

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Mercury's exosphere origins and relations to its magnetosphere and surface by Leblanc, F., Chassefière, E., Johnson, R.E., Hunten, D.M., Kallio, E., Delcourt, D.C., Killen, R.M., Luhmann, J.G., Potter, A.E., Jambon, A., Cremonese, G., Mendillo, M., Yan, N., Sprague, A.L.

“…Mariner 10, the only spacecraft that ever passed close to Mercury, revealed several unexpected characteristics: an intrinsic magnetosphere, the highest mean…”
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Distribution and Abundance of Sodium in Mercury's Atmosphere, 1985–1988 by Sprague, A.L., Kozlowski, R.W.H., Hunten, D.M., Schneider, N.M., Domingue, D.L., Wells, W.K., Schmitt, W., Fink, U.

“…We report spectroscopic measurements of sodium in Mercury's atmosphere for the period July 1985–May 1988. Na abundance varies from <1 × 1010atoms cm−2in…”
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Origin and character of the lunar and mercurian atmospheres by Hunten, D.M, Sprague, A.L

“…This article presents a description of the lunar and mercurian atmospheres and the outstanding, unanswered questions. In that spirit we will not repeat the…”
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Mars atmospheric water vapor abundance: 1996–1997 by Sprague, A.L., Hunten, D.M., Doose, L.R., Hill, R.E.

“…Measurements of martian atmospheric water vapor made throughout L s = 18.0°–146.4° (October 3, 1996–July 12, 1997) show changes in Mars humidity on hourly,…”
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Correction for Dust Opacity of Martian Atmospheric Water Vapor Abundances by Hunten, D.M., Sprague, A.L., Doose, L.R.

“…A method is presented to correct for the effects of dust opacity on the derivation of water-vapor abundances from observed spectral absorption lines. We show…”
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Mars' South Polar Ar Enhancement: A Tracer for South Polar Seasonal Meridional Mixing by Sprague, A. L., Boynton, W. V., Kerry, K. E., Janes, D. M., Hunten, D. M., Kim, K. J., Reedy, R. C., Metzger, A. E.

“…The gamma ray spectrometer on the Mars Odyssey spacecraft measured an enhancement of atmospheric argon over southern high latitudes during autumn followed by…”
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The Leonid Meteor Shower and the Lunar Sodium Atmosphere by Hunten, D.M., Cremonese, G., Sprague, A.L., Hill, R.E., Verani, S., Kozlowski, R.W.H.

“…Observations of lunar sodium were made on November 16–18, 1997, at Asiago and Mount Lemmon Observatories. A small enhancement was observed, and we suggest that…”
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Water Vapor Abundances over Mars North High Latitude Regions: 1996–1999 by Sprague, A.L, Hunten, D.M, Hill, R.E, Doose, L.R, Rizk, B

“…We present column abundances of water vapor in Mars' atmosphere over high north latitudes for L s 46°–146° during 1996–1997 and L s 34°–180° during 1998–1999…”
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Diurnal variation of sodium and potassium at Mercury by HUNTEN, D. M., SPRAGUE, A. L.

“…— A summary is given of our published observations showing a large (3 to 4) morning/afternoon ratio of the abundances of sodium and potassium. The proposed…”
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