PSP Bibliography





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Found 9 entries in the Bibliography.


Showing entries from 1 through 9


2021

Measurement of the open magnetic flux in the inner heliosphere down to 0.13 AU

Context. Robustly interpreting sets of in situ spacecraft data of the heliospheric magnetic field (HMF) for the purpose of probing the total unsigned magnetic flux in the heliosphere is critical for constraining global coronal models as well as understanding the large scale structure of the heliosphere itself. The heliospheric flux (\ensuremath\Phi$_H$) is expected to be a spatially conserved quantity with a possible secular dependence on the solar cycle and equal to the measured radial component of the HMF weighted by the s ...

Badman, Samuel; Bale, Stuart; Rouillard, Alexis; Bowen, Trevor; Bonnell, John; Goetz, Keith; Harvey, Peter; MacDowall, Robert; Malaspina, David; Pulupa, Marc;

Published by: \aap      Published on: jun

YEAR: 2021     DOI: 10.1051/0004-6361/202039407

Parker Data Used; Sun: corona; Sun: magnetic fields; Sun: heliosphere; Solar wind; methods: data analysis; methods: statistical; Astrophysics - Solar and Stellar Astrophysics; Physics - Space Physics

Flux conservation, radial scalings, Mach numbers, and critical distances in the solar wind: magnetohydrodynamics and Ulysses observations

One of the key challenges in solar and heliospheric physics is to understand the acceleration of the solar wind. As a super-sonic, super-Alfv\ enic plasma flow, the solar wind carries mass, momentum, energy, and angular momentum from the Sun into interplanetary space. We present a framework based on two-fluid magnetohydrodynamics to estimate the flux of these quantities based on spacecraft data independent of the heliocentric distance of the location of measurement. Applying this method to the Ulysses dataset allows us to st ...

Verscharen, Daniel; Bale, Stuart; Velli, Marco;

Published by: \mnras      Published on: jul

YEAR: 2021     DOI: 10.1093/mnras/stab2051

Solar wind; Sun: heliosphere; Magnetohydrodynamics; plasmas; methods: data analysis

Discontinuity analysis of the leading switchback transition regions

Context. Magnetic switchbacks are magnetic structures characterized as intervals of sudden reversal in the radial component of the pristine solar wind s magnetic field. Switchbacks comprise of magnetic spikes that are preceded and succeeded by switchback transition regions within which the radial magnetic field reverses. Determining switchback generation and evolution mechanisms will further our understanding of the global circulation and transportation of the Sun s open magnetic flux.
Aims: The present study juxtapos ...

Akhavan-Tafti, M.; Kasper, J.; Huang, J.; Bale, S.;

Published by: Astronomy and Astrophysics      Published on: 06/2021

YEAR: 2021     DOI: 10.1051/0004-6361/202039508

magnetic reconnection; magnetic fields; Solar wind; methods: data analysis; magnetohydrodynamics (MHD); instabilities; Parker Data Used

2018

On slow solar wind with high Alfv\ enicity: from composition and microphysics to spectral properties

Alfv\ enic fluctuations are very common features in the solar wind and are found especially within the main portion of fast-wind streams while the slow wind usually is less Alfv\ enic and more variable. In general, the fast and slow winds show many differences, which span from the large-scale structure to small-scale phenomena, including also a different turbulent behaviour. Recent studies, however, have shown that even the slow wind can sometimes be highly Alfv\ enic, with fluctuations as large as those of the fast wind. ...

D’Amicis, Raffaella; Matteini, Lorenzo; Bruno, Roberto;

Published by: Monthly Notices of the Royal Astronomical Society      Published on: 3/2019

YEAR: 2018     DOI: 10.1093/mnras/sty3329

Astrophysics - Solar and Stellar Astrophysics; methods: data analysis; parker solar probe; Physics - Data Analysis; Physics - Plasma Physics; Physics - Space Physics; Solar Probe Plus; Solar wind; Statistics and Probability; turbulence

Evidence for a Circumsolar Dust Ring Near Mercury\textquoterights Orbit

To test a technique to be used on the white-light imager onboard the recently launched Parker Solar Probe mission, we performed a numerical differentiation of the brightness profiles along the photometric axis of the F-corona models that are derived from STEREO Ahead Sun Earth Connection Heliospheric Investigation observations recorded with the HI-1 instrument between 2007 December and 2014 March. We found a consistent pattern in the derivatives that can be observed from any S/C longitude between about 18\textdegree and 2 ...

Stenborg, Guillermo; Stauffer, Johnathan; Howard, Russell;

Published by: The Astrophysical Journal      Published on: 11/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aae6cb

169P\&NEAT; 73P\&Schwassmann-Wachmann 3; comets: individual: 2P\&Encke; methods: data analysis; Parker Data Used; parker solar probe; Solar Probe Plus; techniques: image processing; zodiacal dust

Solar Wind Turbulence Studies Using MMS Fast Plasma Investigation Data

Bandyopadhyay, Riddhi; Chasapis, A.; Chhiber, R.; Parashar, T.~N.; Maruca, B.~A.; Matthaeus, W.~H.; Schwartz, S.~J.; Eriksson, S.; Le Contel, O.; Breuillard, H.; Burch, J.~L.; Moore, T.~E.; Pollock, C.~J.; Giles, B.~L.; Paterson, W.~R.; Dorelli, J.; Gershman, D.~J.; Torbert, R.~B.; Russell, C.~T.; Strangeway, R.~J.;

Published by: \apj      Published on: 10/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aade93

Parker Data Used; magnetohydrodynamics: MHD; methods: data analysis; methods: statistical; plasmas; Solar wind; turbulence; Physics - Space Physics

Characterization of the White-light Brightness of the F-corona between 5\textdegree and 24\textdegree Elongation

Stenborg, Guillermo; Howard, Russell; Stauffer, Johnathan;

Published by: \apj      Published on: 08/2018

YEAR: 2018     DOI: 10.3847/1538-4357/aacea3

Parker Data Used; methods: data analysis; scattering; Sun: corona; techniques: image processing; zodiacal dust

2017

The Evolution of the Surface of Symmetry of the Interplanetary Dust from 24\textdegree to 5\textdegree Elongation

Stenborg, Guillermo; Howard, Russell;

Published by: \apj      Published on: 10/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa8ef0

Parker Data Used; methods: data analysis; Sun: corona; techniques: image processing

A Heuristic Approach to Remove the Background Intensity on White-light Solar Images. I. STEREO /HI-1 Heliospheric Images

White-light coronal and heliospheric imagers observe scattering of photospheric light from both dust particles (the F-Corona) and free electrons in the corona (the K-corona). The separation of the two coronae is thus vitally important to reveal the faint K-coronal structures (e.g., streamers, co-rotating interaction regions, coronal mass ejections, etc.). However, the separation of the two coronae is very difficult, so we are content in defining a background corona that contains the F- and as little K- as possible. For bo ...

Stenborg, Guillermo; Howard, Russell;

Published by: The Astrophysical Journal      Published on: 04/2017

YEAR: 2017     DOI: 10.3847/1538-4357/aa6a12

methods: data analysis; parker solar probe; Solar Probe Plus; Sun: corona; Sun: coronal mass ejections: CMEs; techniques: image processing



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