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The Wide-field Imager for Solar Probe (WISPR) onboard Parker Solar Probe (PSP), observing in white light, has a fixed angular field of view, extending from 13.5$^\ensuremath\circ$ to 108$^\ensuremath\circ$ from the Sun and approximately 50$^\ensuremath\circ$ in the transverse direction. In January 2021, on its seventh orbit, PSP crossed the heliospheric current sheet (HCS) near perihelion at a distance of 20 solar radii. At this time, WISPR observed a broad band of highly variable solar wind and multiple coronal rays. For si ...
Published by: \solphys Published on: sep
YEAR: 2022   DOI: 10.1007/s11207-022-02058-6
Context. On 26-27 January 2020, the Wide-field Imager for Solar Probe on Parker Solar Probe (PSP) observed a coronal mass ejection (CME) from a distance of approximately 30 R$_\ensuremath\odot$ as it passed through the instrument s 95\textdegree field-of- view, providing an unprecedented view of the flux rope morphology of the CME s internal structure. The same CME was seen by Solar Terrestrial Relations Observatory-Ahead (STEREO-A), beginning on 25 January. \ Aims: Our goal is to understand the origin and determine the traj ...
Published by: Astronomy and Astrophysics Published on: jun
YEAR: 2020   DOI: "10.1051/0004-6361/202039641"
TheWide-field Imager for Solar Probe(WISPR) onboard theParker Solar Probe(PSP), observing in white light, has a fixed angular field of view, extending from 13.5(circle)to 108(circle)from the Sun and approximately 50(circle)in the transverse direction. Because of the highly elliptical orbit of PSP, the physical extent of the imaged coronal region varies directly as the distance from the Sun, requiring new techniques for analysis of the motions of observed density features. Here, we present a technique for determining the 3D t ...
Published by: SOLAR PHYSICS Published on: 10/2020
YEAR: 2020   DOI: 10.1007/s11207-020-01715-y
The three-to-five-month elliptical orbit of Parker Solar Probe (PSP), approaching within 10 solar radii of the Sun, will allow the Wide-field Imager for Solar Probe (WISPR) to view the corona with unprecedented spatial resolution from multiple viewpoints. WISPR has a wide fixed angular field of view, extending from 13.5 degrees to 108 degrees from the Sun and approximately 50 degrees in the transverse direction, but the physical extent of the imaged coronal region varies directly with the distance of the spacecraft from the ...
Published by: SOLAR PHYSICS Published on: 07/2019
YEAR: 2019   DOI: 10.1007/s11207-019-1489-4