Search Results - "Larson, D. E."

MAVEN observations of the solar cycle 24 space weather conditions at Mars by Lee, C. O., Hara, T., Halekas, J. S., Thiemann, E., Chamberlin, P., Eparvier, F., Lillis, R. J., Larson, D. E., Dunn, P. A., Espley, J. R., Gruesbeck, J., Curry, S. M., Luhmann, J. G., Jakosky, B. M.

“…The Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft has been continuously observing the variability of solar soft X‐rays and EUV irradiance,…”
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MAVEN measured oxygen and hydrogen pickup ions: Probing the Martian exosphere and neutral escape by Rahmati, A., Larson, D. E., Cravens, T. E., Lillis, R. J., Halekas, J. S., McFadden, J. P., Dunn, P. A., Mitchell, D. L., Thiemann, E. M. B., Eparvier, F. G., DiBraccio, G. A., Espley, J. R., Mazelle, C., Jakosky, B. M.

“…Soon after the MAVEN (Mars Atmosphere and Volatile EvolutioN) spacecraft started orbiting Mars, the SEP (Solar Energetic Particle), SWIA (Solar Wind Ion…”
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MAVEN observations of solar wind hydrogen deposition in the atmosphere of Mars by Halekas, J. S., Lillis, R. J., Mitchell, D. L., Cravens, T. E., Mazelle, C., Connerney, J. E. P., Espley, J. R., Mahaffy, P. R., Benna, M., Jakosky, B. M., Luhmann, J. G., McFadden, J. P., Larson, D. E., Harada, Y., Ruhunusiri, S.

“…Mars Atmosphere and Volatile EvolutioN mission (MAVEN) observes a tenuous but ubiquitous flux of protons with the same energy as the solar wind in the Martian…”
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THEMIS analysis of observed equatorial electron distributions responsible for the chorus excitation by Li, W., Thorne, R. M., Nishimura, Y., Bortnik, J., Angelopoulos, V., McFadden, J. P., Larson, D. E., Bonnell, J. W., Le Contel, O., Roux, A., Auster, U.

“…A statistical survey of plasma densities and electron distributions (0.5–100 keV) is performed using data obtained from the Time History of Events and…”
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Near-Sun In Situ and Remote-sensing Observations of a Coronal Mass Ejection and its Effect on the Heliospheric Current Sheet by Romeo, O. M., Braga, C. R., Badman, S. T., Larson, D. E., Stevens, M. L., Huang, J., Phan, T., Rahmati, A., Livi, R., Alnussirat, S. T., Whittlesey, P. L., Szabo, A., Klein, K. G., Niembro-Hernandez, T., Paulson, K., Verniero, J. L., Lario, D., Raouafi, N. E., Ervin, T., Kasper, J., Pulupa, M., Bale, S. D., Linton, M. G.

“…Abstract During the thirteenth encounter of the Parker Solar Probe (PSP) mission, the spacecraft traveled through a topologically complex interplanetary…”
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Magnetic reconnection in the near-Mars magnetotail: MAVEN observations by Harada, Y., Halekas, J. S., McFadden, J. P., Mitchell, D. L., Mazelle, C., Connerney, J. E. P., Espley, J., Larson, D. E., Brain, D. A., Andersson, L., DiBraccio, G. A., Collinson, G. A., Livi, R., Hara, T., Ruhunusiri, S., Jakosky, B. M.

“…We report Mars Atmosphere and Volatile EvolutioN (MAVEN) observations of electrons, ions, and magnetic fields which provide comprehensive demonstration of…”
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Quantifying the Energy Budget in the Solar Wind from 13.3 to 100 Solar Radii by Halekas, J. S., Bale, S. D., Berthomier, M., Chandran, B. D. G., Drake, J. F., Kasper, J. C., Klein, K. G., Larson, D. E., Livi, R., Pulupa, M. P., Stevens, M. L., Verniero, J. L., Whittlesey, P.

“…A variety of energy sources, ranging from dynamic processes, such as magnetic reconnection and waves, to quasi steady terms, such as plasma pressure, may…”
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MAVEN SEP Observations of Scorpius X‐1 X‐Rays at Mars: A Midatmosphere Occultation Analysis Technique by Rahmati, A., Larson, D. E., Cravens, T. E., Lillis, R. J., Lee, C. O., Dunn, P. A.

“…We report on the first observations of atmospheric occultations at Mars of ~10 keV X‐rays from an extrasolar source identified as Scorpius X‐1. The…”
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MAVEN Observations of Partially Developed Kelvin-Helmholtz Vortices at Mars by Ruhunusiri, Suranga, Halekas, J. S., McFadden, J. P., Connerney, J. E. P., Espley, J. R., Harada, Y., Livi, R., Seki, C., Mazelle, C., Brain, D.

“…We present preliminary results and interpretations for Mars Atmospheric and Volatile EvolutioN,(MAVEN) observations of magnetosheath-ionospheric boundary…”
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Estimates of Proton and Electron Heating Rates Extended to the Near-Sun Environment by Bandyopadhyay, R., Meyer, C. M., Matthaeus, W. H., McComas, D. J., Cranmer, S. R., Halekas, J. S., Huang, J., Larson, D. E., Livi, R., Rahmati, A., Whittlesey, P. L., Stevens, M. L., Kasper, J. C., Bale, S. D.

“…Abstract A central problem of space plasma physics is how protons and electrons are heated in a turbulent, magnetized plasma. The differential heating of…”
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MAVEN Observation of an Obliquely Propagating Low-Frequency Wave Upstream of Mars by Ruhunusiri, Suranga, Halekas, J. S., Connerney, J. E. P., Espley, J. R., McFadden, J. P., Mazelle, C., Brain, D., Collinson, G., Harada, Y., Larson, D. E., Mitchell, D. L., Livi, R., Jakosky, B. M.

“…We report Mars Atmosphere and Volatile EvolutioN (MAVEN) mission observations of a large amplitude low-frequency plasma wave that propagated oblique to the…”
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Comparative study of the Martian suprathermal electron depletions based on Mars Global Surveyor, Mars Express, and Mars Atmosphere and Volatile EvolutioN mission observations by Steckiewicz, M., Garnier, P., André, N., Mitchell, D. L., Andersson, L., Penou, E., Beth, A., Fedorov, A., Sauvaud, J.‐A., Mazelle, C., Brain, D. A., Espley, J. R., McFadden, J., Halekas, J. S., Larson, D. E., Lillis, R. J., Luhmann, J. G., Soobiah, Y., Jakosky, B. M.

“…Nightside suprathermal electron depletions have been observed at Mars by three spacecraft to date: Mars Global Surveyor, Mars Express, and the Mars Atmosphere…”
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Likely Common Coronal Source of Solar Wind and 3He-enriched Energetic Particles: Uncoupled Transport from the Low Corona to 0.2 au by Mitchell, D. G., Hill, M. E., McComas, D. J., Cohen, C. M. S., Schwadron, N. A., Mostafavi, P. S., Matthaeus, W. H., Raouafi, N. E., Al-Nussirat, S. T., Larson, D. E., Rahmati, A., Kasper, J. C., Whittlesey, P. L., Livi, R., Bale, S. D., Pulupa, M., Giacalone, J., McNutt, R. L., Christian, E. R., Wiedenbeck, M. E., Sharma, T.

“…Parker Solar Probe (PSP) observations of a small dispersive event on 2022 February 27 and 28 indicate scatter-free propagation as the dominant transport…”
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Maven Observations of Electron-Induced Whistler Mode Waves in the Martian Magnetosphere by Harada, Y., Andersson, L., Fowler, C. M., Mitchell, D. L., Halekas, J. S., Mazelle, C., Espley, J., DiBraccio, G. A., McFadden, J. P., Brian, D. A., Xu, S., Ruhunusiri, S., Larson, D. E., Lillis, R. J., Hara, T., Livi, R., Jakosky, B. M.

“…We report on narrowband electromagnetic waves at frequencies between the local electron cyclotron and lower hybrid frequencies observed by the Mars Atmosphere…”
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Multiscale whistler waves within Earth's perpendicular bow shock by Hull, A. J., Muschietti, L., Oka, M., Larson, D. E., Mozer, F. S., Chaston, C. C., Bonnell, J. W., Hospodarsky, G. B.

“…We present observations of intense whistler waves made by Polar in the frequency range from a few Hz to 600 Hz within Earth's nearly perpendicular bow shock…”
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Marsward and tailward ions in the near-Mars magnetotail: MAVEN observations by Harada, Y., Halekas, J. S., McFadden, J. P., Mitchell, D. L., Mazelle, C., Connerney, J. E. P., Espley, J., Larson, D. E., Brain, D. A., DiBraccio, G. A., Curry, S. M., Hara, T., Livi, R., Ruhunusiri, S., Jakosky, B. M.

“…We present Mars Atmosphere and Volatile EvolutioN (MAVEN) observations of Marsward and tailward fluxes of suprathermal (>25 eV) ions in the near‐Mars…”
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Neutral density response to solar flares at Mars by Thiemann, E. M. B., Eparvier, F. G., Andersson, L. A., Fowler, C. M., Peterson, W. K., Mahaffy, P. R., England, S. L., Larson, D. E., Lo, D. Y., Schneider, N. M., Deighan, J. I., McClintock, W. E., Jakosky, B. M.

“…First direct observations of heating of the Mars neutral atmosphere by solar flares are presented in this study. Solar flares were detected using the Extreme…”
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Dispersive Suprathermal Ion Events Observed by the Parker Solar Probe Mission by Alnussirat, S. T., Livi, R., Larson, D. E., Rahmati, A., Whittlesey, P. L., Romeo, O., Badman, S. T., Buitrago-Casas, Milo, Martínez Oliveros, Juan Carlos, Pulupa, M., Bale, S. D., Huang, J., Verniero, J., Raouafi, N., Mitchell, Donald, McComas, D. J., Hill, Matt, Cohen, Christina

“…Abstract During Encounter 11, Parker Solar Probe observed a low-energy dispersive ions event of solar origin. The event was observed in the SPAN-I and IS⊙IS…”
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Time-dispersed ion signatures observed in the Martian magnetosphere by MAVEN by Halekas, J. S., McFadden, J. P., Connerney, J. E. P., Espley, J. R., Brain, D. A., Mitchell, D. L., Larson, D. E., Harada, Y., Hara, T., Ruhunusiri, S., Jakosky, B. M.

“…Mars Atmosphere and Volatile EvolutioN mission's (MAVEN) high‐cadence measurements reveal the frequent occurrence of ion energy dispersion events inside the…”
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Characterization of Turbulence in the Mars Plasma Environment with MAVEN Observations by Ruhunusiri, Suranga, Halekas, J. S., Espley, J. R., Mazelle, C., Brain, D., Harada, Y., DiBraccio, G. A., Livi, R., Larson, D. E., Mitchell, D. L., Jakosky, B. M., Howes, G. G.

“…We characterize turbulence in the Mars plasma environment in a global scale for the first time by computing spectral indices for magnetic field fluctuations…”
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