Simulated Solar Spectra for Testing Stellar Activity Mitigation

Simulated extremely high-resolution solar-like spectra created with the SOAP 2.0 tool to include multiple evolving starspots. The dataset is presented by Christian Gilbertson of Pennsylvania State University to aid in developing statistical models for Doppler planet surveys. It is intended to help distinguish true Doppler shifts from intrinsic stellar variability caused by starspots and faculae.

Use Cases

• Developing statistical models for jointly modeling planetary perturbations and stellar variability based on simulated spectral data.
• Testing strategies for distinguishing true Doppler shifts from stellar variability due to starspots and faculae.
• Benchmarking mitigation algorithms for stellar activity in data from stabilized spectrographs targeting low-mass planet detection.

Strengths

• Simulated with the established SOAP 2.0 tool, which is referenced in the description.
• Designed to address a specific, high-priority challenge in exoplanet detection: stellar activity mitigation.
• Focuses on extremely high-resolution spectra, matching the specifications of upcoming stabilized spectrographs.

Limitations

• Row count, file formats, and column-level documentation are unknown, limiting suitability assessment.
• The data is simulated, not observational, so its direct applicability to real-world instrument data requires validation.
• Last update date is unknown; freshness unverified.

Provenance

Source

Christian Gilbertson, Pennsylvania State University, via paperswithcode.

Collection Method

Simulated using the SOAP 2.0 tool (Dumusque et al. 2014) to create solar-like spectra with evolving starspots.