Search Results - "ACUNA, Mario H"

MESSENGER Observations of Magnetic Reconnection in Mercury's Magnetosphere by Slavin, James A, Acuña, Mario H, Anderson, Brian J, Baker, Daniel N, Benna, Mehdi, Boardsen, Scott A, Gloeckler, George, Gold, Robert E, Ho, George C, Korth, Haje, Krimigis, Stamatios M, McNutt, Ralph L. Jr, Raines, Jim M, Sarantos, Menelaos, Schriver, David, Solomon, Sean C, Trávníček, Pavel, Zurbuchen, Thomas H

“…Solar wind energy transfer to planetary magnetospheres and ionospheres is controlled by magnetic reconnection, a process that determines the degree of…”
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Mercury's Magnetosphere After MESSENGER's First Flyby by Slavin, James A, Acuña, Mario H, Anderson, Brian J, Baker, Daniel N, Benna, Mehdi, Gloeckler, George, Gold, Robert E, Ho, George C, Killen, Rosemary M, Korth, Haje, Krimigis, Stamatios M, McNutt, Ralph L. Jr, Nittler, Larry R, Raines, Jim M, Schriver, David, Solomon, Sean C, Starr, Richard D, Trávníček, Pavel, Zurbuchen, Thomas H

“…Observations by MESSENGER show that Mercury's magnetosphere is immersed in a comet-like cloud of planetary ions. The most abundant, Na⁺, is broadly distributed…”
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The Magnetic Field of Mercury by Anderson, Brian J., Acuña, Mario H., Korth, Haje, Slavin, James A., Uno, Hideharu, Johnson, Catherine L., Purucker, Michael E., Solomon, Sean C., Raines, Jim M., Zurbuchen, Thomas H., Gloeckler, George, McNutt, Ralph L.

“…The magnetic field strength of Mercury at the planet’s surface is approximately 1% that of Earth’s surface field. This comparatively low field strength…”
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An improved crustal magnetic field map of Mars from electron reflectometry: Highland volcano magmatic history and the end of the martian dynamo by Lillis, Robert J., Frey, Herbert V., Manga, Michael, Mitchell, David L., Lin, Robert P., Acuña, Mario H., Bougher, Stephen W.

“…We apply improved kinetic modeling of electron transport in the martian thermosphere to fit pitch angle distributions measured by the Mars Global Surveyor…”
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Narrow-band ultra-low-frequency wave observations by MESSENGER during its January 2008 flyby through Mercury's magnetosphere by Boardsen, Scott A., Anderson, Brian J., Acuña, Mario H., Slavin, James A., Korth, Haje, Solomon, Sean C.

“…During MESSENGER's first flyby of Mercury, numerous narrow‐band ultra‐low‐frequency (ULF) waves and their harmonics were detected between closest approach (CA)…”
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Absorption of MARSIS radar signals: Solar energetic particles and the daytime ionosphere by Espley, Jared R., Farrell, William M., Brain, David A., Morgan, David D., Cantor, Bruce, Plaut, Jeffrey J., Acuña, Mario H., Picardi, Giovanni

“…We present observations from the subsurface sounding mode of the MARSIS instrument onboard Mars Express that imply radar wave absorption because of increased…”
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Electron reflectometry in the martian atmosphere by Lillis, Robert J., Mitchell, David L., Lin, Robert P., Acuña, Mario H.

“…The technique of electron reflectometry, a method for remote estimation of planetary magnetic fields, is expanded from its original use of mapping crustal…”
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The Magnetometer Instrument on MESSENGER by Anderson, Brian J, Acuna, Mario H, Lohr, David A, Scheifele, John, Raval, Asseem, Korth, Haje, Slavin, James A

“…Issue Title: The MESSENGER Mission to Mercury The Magnetometer (MAG) on the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) mission…”
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Observations of the latitude dependence of the location of the martian magnetic pileup boundary by Crider, Dana H., Acuña, Mario H., Connerney, John E. P., Vignes, Didier, Ness, Norman F., Krymskii, Alexander M., Breus, Tamara K., Rème, Henri, Mazelle, Christian, Mitchell, David L., Lin, Robert P., Cloutier, Paul A., Winterhalter, Daniel

“…We report observations that show the dependence of the altitude of the magnetic pileup boundary (MPB) at Mars on planetary latitude. As seen by the Mars Global…”
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Magnetic zones of Mars: Deformation-controlled origin of magnetic anomalies by KLETETSCHKA, Gunther, LILLIS, Robert J., NESS, Norman F., ACUÑA, Mario H., CONNERNEY, Jack E. P., WASILEWSKI, Peter J.

“…— Intense magnetic anomalies over Martian surface suggest preservation of large volumes of very old crust (>3 Gyr) that formed in the presence of a global…”
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Pressure effects on martian crustal magnetization near large impact basins by KLETETSCHKA, Gunther, CONNERNEY, John E. P., NESS, Norman F., ACUÑA, Mario H.

“…— Martian crust endured several large meteoroid impacts subsequent to the demise of an early global magnetic field. Shock pressures associated with these…”
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Continuous monitoring of nightside upper thermospheric mass densities in the martian southern hemisphere over 4 martian years using electron reflectometry by Lillis, Robert J., Bougher, Stephen W., Mitchell, David L., Brain, David A., Lin, Robert P., Acuña, Mario H.

“…Details are presented of an improved technique to use atmospheric absorption of magnetically reflecting solar wind electrons to constrain neutral mass…”
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Structure of Mercury's Magnetic Field from MESSENGER's First Flyby by Anderson, Brian J, Acuña, Mario H, Korth, Haje, Purucker, Michael E, Johnson, Catherine L, Slavin, James A, Solomon, Sean C, McNutt, Ralph L. Jr

“…During its first flyby of Mercury, the MESSENGER spacecraft measured the planet's near-equatorial magnetic field. The field strength is consistent to within an…”
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Initial measurements of the lunar induced magnetic dipole moment using Lunar Prospector Magnetometer data by Hood, Lon L., Mitchell, David L., Lin, Robert P., Acuna, Mario H., Binder, Alan B.

“…Twenty‐one orbits of Lunar Prospector magnetometer data obtained during an extended passage of the Moon through a lobe of the geomagnetic tail in April 1998…”
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Hot diamagnetic cavities upstream of the Martian bow shock by Øieroset, Marit, Mitchell, David L., Phan, Tai D., Lin, Robert P., Acuña, Mario H.

“…We present Mars Global Surveyor (MGS) observations of hot diamagnetic cavities upstream of the Martian bow shock. The events are characterized by a region of…”
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Can forest management be sustainable in a bamboo dominated forest? A 12-year study of forest dynamics in western Amazon by d’Oliveira, Marcus V.N., Guarino, Ernestino de S., Oliveira, Luis C., Ribas, Luciano A., Acuña, Mario H.A.

“…•The above ground dried biomass of the APU Tabocal rapidly increased after logging.•The growth rate of the logged species was lower than the expected.•Atypical…”
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MESSENGER observations of Mercury's magnetosphere during northward IMF by Slavin, James A., Anderson, Brian J., Zurbuchen, Thomas H., Baker, Daniel N., Krimigis, Stamatios M., Acuña, Mario H., Benna, Mehdi, Boardsen, Scott A., Gloeckler, George, Gold, Robert E., Ho, George C., Korth, Haje, McNutt Jr, Ralph L., Raines, Jim M., Sarantos, Menelaos, Schriver, David, Solomon, Sean C., Trávníček, Pavel

“…MESSENGER's January 14, 2008, flyby of Mercury has provided new observations of the planet's magnetosphere for northward interplanetary magnetic field (IMF)…”
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MESSENGER and Venus Express observations of the solar wind interaction with Venus by Slavin, James A., Acuña, Mario H., Anderson, Brian J., Barabash, Stas, Benna, Mehdi, Boardsen, Scott A., Fraenz, Markus, Gloeckler, George, Gold, Robert E., Ho, George C., Korth, Haje, Krimigis, Stamatios M., McNutt Jr, Ralph L., Raines, Jim M., Sarantos, Menelaos, Solomon, Sean C., Zhang, Tielong, Zurbuchen, Thomas H.

“…At 23:08 UTC on 5 June 2007 the MESSENGER spacecraft reached its closest approach altitude of 338 kin during its final flyby of Venus en route to its 2011…”
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Magnetic Fields at Neptune by Ness, Norman F., Acuña, Mario H., Burlaga, Leonard F., John E. P. Connerney, Lepping, Ronald P., Neubauer, Fritz M.

“…The National Aeronautics and Space Administration Goddard Space Flight Center-University of Delaware Bartol Research Institute magnetic field experiment on the…”
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MESSENGER: Exploring Mercury’s Magnetosphere by Slavin, James A, Krimigis, Stamatios M, Acuna, Mario H, Anderson, Brian J, Baker, Daniel N, Koehn, Patrick L, Korth, Haje, Livi, Stefano, Mauk, Barry H, Solomon, Sean C, Zurbuchen, Thomas H

“…Issue Title: The MESSENGER Mission to Mercury The MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) mission to Mercury offers our first…”
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