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Browsing by Author "Chandran, B. D. G."

Browsing by Author "Chandran, B. D. G."

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  • Alfvénic velocity spikes and rotational flows in the near-Sun solar wind 
    Kasper, Justin C.; Bale, S. D.; Belcher, J. W.; Berthomier, M.; Case, Anthony W.; Chandran, B. D. G.; Curtis, D. W.; Gallagher, D.; Gary, S. P.; Golub, Leon; Halekas, J. S.; Ho, G. C.; Horbury, T. S.; Hu, Q.; Huang, J.; Klein, K. G.; Korreck, Kelly E.; Larson, D. E.; Livi, R.; Maruca, B.; Lavraud, B.; Louarn, P.; Maksimovic, M.; Martinovic, M.; McGinnis, D.; Pogorelov, N. V.; Richardson, J. D.; Skoug, R. M.; Steinberg, J. T.; Stevens, Michael L.; Szabo, A.; Velli, M.; Whittlesey, P. L.; Wright, K. H.; Zank, G. P.; MacDowall, R. J.; McComas, D. J.; McNutt, R. L.; Pulupa, M.; Raouafi, N. E.; Schwadron, N. A. (2019)
    The prediction of a supersonic solar wind<SUP>1</SUP> was first confirmed by spacecraft near Earth<SUP>2,3</SUP> and later by spacecraft at heliocentric distances as small as 62 solar radii<SUP>4</SUP>. These missions ...
  • ALPS: the Arbitrary Linear Plasma Solver 
    Verscharen, D.; Klein, K. G.; Chandran, B. D. G.; Stevens, Michael L.; Salem, C. S.; Bale, S. D. (2018)
    The Arbitrary Linear Plasma Solver (ALPS) is a parallelised numerical code that solves the dispersion relation in a hot (even relativistic) magnetised plasma with an arbitrary number of particle species with arbitrary ...
  • The Evolution and Role of Solar Wind Turbulence in the Inner Heliosphere 
    Chen, C. H. K.; Bale, S. D.; Bonnell, John W.; Borovikov, D.; Bowen, T. A.; Burgess, D.; Case, Anthony W.; Chandran, B. D. G.; de Wit, T. Dudok; Goetz, K.; Harvey, P. R.; Kasper, Justin C.; Klein, K. G.; Korreck, Kelly E.; Larson, D.; Livi, R.; MacDowall, R. J.; Malaspina, D. M.; Mallet, A.; McManus, M. D.; Moncuquet, M.; Pulupa, M.; Stevens, Michael L.; Whittlesey, P. (2020)
    The first two orbits of the Parker Solar Probe spacecraft have enabled the first in situ measurements of the solar wind down to a heliocentric distance of 0.17 au (or 36 ${R}_{\odot }$ ). Here, we present an analysis of ...
  • The Evolution of the 1/f Range within a Single Fast-solar-wind Stream between 17.4 and 45.7 Solar Radii 
    Davis, Nooshin; Chandran, B. D. G.; Bowen, T. A.; Badman, S. T.; de Wit, T. Dudok; Chen, C. H. K.; Bale, S. D.; Huang, Zesen; Sioulas, Nikos; Velli, Marco (2023)
    The power spectrum of magnetic field fluctuations in the fast solar wind (V <sub>SW</sub> > 500 km s<sup>-1</sup>) at magnetohydrodynamic scales is characterized by two different power laws on either side of a break frequency ...
  • Highly structured slow solar wind emerging from an equatorial coronal hole 
    Bale, S. D.; Badman, S. T.; Bonnell, J. W.; Bowen, T. A.; Burgess, D.; Case, Anthony W.; Cattell, C. A.; Chandran, B. D. G.; Chaston, C. C.; Chen, C. H. K.; Drake, J. F.; de Wit, T. Dudok; Eastwood, J. P.; Ergun, R. E.; Farrell, W. M.; Fong, C.; Goetz, K.; Goldstein, M.; Goodrich, K. A.; Harvey, P. R.; Horbury, T. S.; Howes, G. G.; Kasper, Justin C.; Kellogg, P. J.; Klimchuk, J. A.; Korreck, Kelly E.; Krasnoselskikh, V. V.; Krucker, S.; Laker, R.; Larson, D. E.; MacDowall, R. J.; Maksimovic, M.; Malaspina, D. M.; Martinez-Oliveros, J.; McComas, D. J.; Meyer-Vernet, N.; Moncuquet, M.; Mozer, F. S.; Phan, T. D.; Pulupa, M.; Raouafi, N. E.; Salem, C.; Stansby, D.; Stevens, Michael; Szabo, A.; Velli, M.; Woolley, T.; Wygant, J. R. (2019)
    During the solar minimum, when the Sun is at its least active, the solar wind<SUP>1,2</SUP> is observed at high latitudes as a predominantly fast (more than 500 kilometres per second), highly Alfvénic rarefied stream of ...
  • Improving the Alfvén Wave Solar Atmosphere Model Based on Parker Solar Probe Data 
    van der Holst, B.; Huang, J.; Sachdeva, N.; Kasper, J. C.; Manchester, W. B.,IV; Borovikov, D.; Chandran, B. D. G.; Case, Anthony W.; Korreck, Kelly E.; Larson, D.; Livi, R.; Stevens, Michael; Whittlesey, P.; Bale, S. D.; Pulupa, M.; Malaspina, D. M.; Bonnell, J. W.; Harvey, P. R.; Goetz, K.; MacDowall, R. J. (2022)
    In van der Holst et al. (2019), we modeled the solar corona and inner heliosphere of the first encounter of NASA&#39;s Parker Solar Probe (PSP) using the Alfvén Wave Solar atmosphere Model (AWSoM) with Air Force Data ...
  • Parker Solar Probe: Four Years of Discoveries at Solar Cycle Minimum 
    Raouafi, N. E.; Matteini, L.; Squire, J.; Badman, S. T.; Velli, M.; Klein, K. G.; Chen, C. H. K.; Matthaeus, W. H.; Szabo, A.; Linton, M.; Allen, R. C.; Szalay, J. R.; Bruno, R.; Decker, R. B.; Akhavan-Tafti, M.; Agapitov, O. V.; Bale, S. D.; Bandyopadhyay, R.; Battams, K.; Bercic, L.; Bourouaine, S.; Bowen, T. A.; Cattell, C.; Chandran, B. D. G.; Chhiber, R.; Cohen, C. M. S.; D'Amicis, R.; Giacalone, J.; Hess, P.; Howard, R. A.; Horbury, T. S.; Jagarlamudi, V. K.; Joyce, C. J.; Kasper, J. C.; Kinnison, J.; Laker, R.; Liewer, P.; Malaspina, D. M.; Mann, I.; McComas, D. J.; Niembro-Hernandez, T.; Nieves-Chinchilla, T.; Panasenco, O.; Pokorný, P.; Pusack, A.; Pulupa, M.; Perez, J. C.; Riley, P.; Rouillard, A. P.; Shi, C.; Stenborg, G.; Tenerani, A.; Verniero, J. L.; Viall, N.; Vourlidas, A.; Wood, B. E.; Woodham, L. D.; Woolley, T. (2023)
    Launched on 12 Aug. 2018, NASA's Parker Solar Probe had completed 13 of its scheduled 24 orbits around the Sun by Nov. 2022. The mission's primary science goal is to determine the structure and dynamics of the Sun's coronal ...
  • Quantifying the Energy Budget in the Solar Wind from 13.3 to 100 Solar Radii 
    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, Michael L.; Verniero, J. L.; Whittlesey, P. (2023)
    A variety of energy sources, ranging from dynamic processes, such as magnetic reconnection and waves, to quasi-steady terms, such as plasma pressure, may contribute to the acceleration of the solar wind. We utilize a ...
  • Stochastic Heating, Differential Flow, and the Alpha-to-proton Temperature Ratio in the Solar Wind 
    Chandran, B. D. G.; Verscharen, D.; Quataert, E.; Kasper, J. C.; Isenberg, P. A.; Bourouaine, S. (2013)
    We extend previous theories of stochastic ion heating to account for the motion of ions along the magnetic field B . We derive an analytic expression for the temperature ratio T <SUB>i</SUB>/T <SUB>p</SUB> in the solar ...

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