Update on Global Helioseismic Observations of the Solar Torsional Oscillation

Rachel Howe, W. J. Chaplin, J. Christensen-Dalsgaard, Y. P. Elsworth, J. Schou

Research output: Contribution to journalArticlepeer-review

Abstract

We present an up-to-date latitude–time map of the solar zonal flows at 0.99 R⊙ from global helioseismology using data from the Global Oscillation Network Group, the Michelson Doppler Imager, and the Helioseismic and Magnetic Imager.
Original languageEnglish
Article number261
JournalResearch Notes of the AAS
Volume6
Issue number12
DOIs
Publication statusPublished - 31 Dec 2022

Bibliographical note

Acknowledgments:
This work utilizes data obtained by the Global Oscillation Network Group (GONG) program, managed by the National Solar Observatory, which is operated by AURA, Inc. under a cooperative agreement with the National Science Foundation. The data were acquired by instruments operated by the Big Bear Solar Observatory, High Altitude Observatory, Learmonth Solar Observatory, Udaipur Solar Observatory, Instituto de Astrofísica de Canarias, and Cerro Tololo Interamerican Observatory. SOHO is a project of international cooperation between ESA and NASA. HMI data courtesy of NASA/SDO and the HMI science team. R.H. and Y.P.E. acknowledge the support of the UK Science and Technology Facilities Council (STFC) through grant ST/V000500/1.

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