Artículo
Parker Solar Probe Imaging of the Night Side of Venus
Autor/es | Wood, Brian E
Hess, Phillip Lustig Yaeger, Jacob Gallagher, Brendan Korwan, Daniel Rich, Nathan Stenborg, Guillermo Thernisien, Arnaud Peralta Calvillo, Javier |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear |
Fecha de publicación | 2022 |
Fecha de depósito | 2022-09-20 |
Publicado en |
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Resumen | We present images of Venus from the Wide-Field Imager for Parker Solar Probe (WISPR) telescope on board the Parker Solar Probe (PSP) spacecraft, obtained during PSP's third and fourth flybys of Venus on 2020 July 11 and ... We present images of Venus from the Wide-Field Imager for Parker Solar Probe (WISPR) telescope on board the Parker Solar Probe (PSP) spacecraft, obtained during PSP's third and fourth flybys of Venus on 2020 July 11 and 2021 February 20, respectively. Thermal emission from the surface is observed on the night side, representing the shortest wavelength observations of this emission ever, the first detection of the Venusian surface by an optical telescope observing below 0.8 μm. Consistent with previous observations at 1 μm, the cooler highland areas are fainter than the surrounding lowlands. The irradiances measured by WISPR are consistent with model predictions assuming a surface temperature of T = 735 K. In addition to the thermal emission, the WISPR images also show bright nightglow emission at the limb, and we compare the WISPR intensities with previous spectroscopic measurements of the molecular oxygen nightglow lines from Venus Express. |
Cita | Wood, B.E., Hess, P., Lustig Yaeger, J., Gallagher, B., Korwan, D., Rich, N.,...,Peralta Calvillo, J. (2022). Parker Solar Probe Imaging of the Night Side of Venus. Geophysical Research Letters, 49 (3), e2021GL096302. |
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