Parker Solar Probe observations of He/H abundance variations in SEP events inside 0.5 au. Cohen, C. M. S., Christian, E. R., Cummings, A. C., Davis, A. J., I Desai, M., de Nolfo, G. A., Giacalone, J., Hill, M. E., Joyce, C. J., Labrador, A. W., Leske, R. A., Matthaeus, W. H., McComas, D. J., Jr. McNutt, R. L., Mewaldt, R. A., Mitchell, D. G., Mitchell, J. G., Rankin, J. S., Roelof, E. C., Schwadron, N. A., Stone, E. C., Szalay, J. R., Wiedenbeck, M. E., Vourlidas, A., Bale, S. D., Pulupa, M., & MacDowall, R. J. Astronomy & Astrophysics, 2021. Publisher: Edp Sciences S A Type: Article tex.date-modified: 2022-04-12 11:34:55 +0100![Parker Solar Probe observations of He/H abundance variations in SEP events inside 0.5 au [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Aims. The Parker Solar Probe (PSP) orbit provides an opportunity to study the inner heliosphere at distances closer to the Sun than previously possible. Due to the solar minimum conditions, the initial orbits of PSP yielded only a few solar energetic particle (SEP) events for study. Recently during the fifth orbit, at distances from 0.45 to 0.3 au, the energetic particle suite on PSP, Integrated Science Investigation of the Sun (IS circle dot IS), observed a series of six SEP events, adding to the limited number of SEP events studied inside of 0.5 au. Variations in the H and He spectra and the He/H abundance ratio are examined and discussed in relation to the identified solar source regions and activity.
@article{Cohen2021,
title = {Parker {Solar} {Probe} observations of {He}/{H} abundance variations in {SEP} events inside 0.5 au},
volume = {650},
issn = {0004-6361},
url = {https://doi.org/10.1051/0004-6361/202039299},
doi = {10.1051/0004-6361/202039299},
abstract = {Aims. The Parker Solar Probe (PSP) orbit provides an opportunity to study the inner heliosphere at distances closer to the Sun than previously possible. Due to the solar minimum conditions, the initial orbits of PSP yielded only a few solar energetic particle (SEP) events for study. Recently during the fifth orbit, at distances from 0.45 to 0.3 au, the energetic particle suite on PSP, Integrated Science Investigation of the Sun (IS circle dot IS), observed a series of six SEP events, adding to the limited number of SEP events studied inside of 0.5 au. Variations in the H and He spectra and the He/H abundance ratio are examined and discussed in relation to the identified solar source regions and activity.},
journal = {Astronomy \& Astrophysics},
author = {Cohen, C. M. S. and Christian, E. R. and Cummings, A. C. and Davis, A. J. and I Desai, M. and de Nolfo, G. A. and Giacalone, J. and Hill, M. E. and Joyce, C. J. and Labrador, A. W. and Leske, R. A. and Matthaeus, W. H. and McComas, D. J. and Jr. McNutt, R. L. and Mewaldt, R. A. and Mitchell, D. G. and Mitchell, J. G. and Rankin, J. S. and Roelof, E. C. and Schwadron, N. A. and Stone, E. C. and Szalay, J. R. and Wiedenbeck, M. E. and Vourlidas, A. and Bale, S. D. and Pulupa, M. and MacDowall, R. J.},
year = {2021},
note = {Publisher: Edp Sciences S A
Type: Article
tex.date-modified: 2022-04-12 11:34:55 +0100},
}
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