@article{Huang:2026:2041-8213/ae43ec,
author = {Huang, Z and Velli, M and Panasenco, O and Morton, RJ and Shi, C and Rivera, YJ and Chandran, B and Badman, ST and Ding, Y and Raouafi, N and Bale, SD and Stevens, M and Ervin, T and Hou, C and Klein, KG and Romeo, O and Huang, J and Liu, M and Larson, DE and Pulupa, M and Livi, R and Fraschetti, F},
doi = {2041-8213/ae43ec},
journal = {Astrophysical Journal Letters},
title = {Evidence of 5 minute Oscillations from Parker Solar Probe},
url = {http://dx.doi.org/10.3847/2041-8213/ae43ec},
volume = {999},
year = {2026}
}

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TY  - JOUR
AB  - The Sun’s surface vibrates in characteristic 5 minute oscillations, known as p-modes, generated by sound waves trapped within the convection zone. Although these oscillations have long been hypothesized to reach into the solar wind, direct in situ evidence has remained elusive, even during previous close encounters by Parker Solar Probe (PSP). Here, we present strong in situ evidence of 5 minute oscillations in the upper solar corona, based on observations from PSP’s three closest perihelia. In two events at 9.9 solar radii (R<inf></inf>), we identify statistically significant (∼6σ) 3.1–3.2 mHz peaks in the magnetic field power spectrum, each appearing as a large-amplitude, spherically polarized Alfvénic wave train lasting approximately 35 minutes. These results demonstrate that global solar oscillations can reach the solar wind.
AU  - Huang,Z
AU  - Velli,M
AU  - Panasenco,O
AU  - Morton,RJ
AU  - Shi,C
AU  - Rivera,YJ
AU  - Chandran,B
AU  - Badman,ST
AU  - Ding,Y
AU  - Raouafi,N
AU  - Bale,SD
AU  - Stevens,M
AU  - Ervin,T
AU  - Hou,C
AU  - Klein,KG
AU  - Romeo,O
AU  - Huang,J
AU  - Liu,M
AU  - Larson,DE
AU  - Pulupa,M
AU  - Livi,R
AU  - Fraschetti,F
DO  - 2041-8213/ae43ec
PY  - 2026///
SN  - 2041-8205
TI  - Evidence of 5 minute Oscillations from Parker Solar Probe
T2  - Astrophysical Journal Letters
UR  - http://dx.doi.org/10.3847/2041-8213/ae43ec
VL  - 999
ER  - 

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