SRA-derived photospheric activity indicators track stellar RV variability up to a factor of two better than classical proxies like logR'HK across 14 G/K stars.
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4 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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2026 4representative citing papers
FLARES iterative line-selection algorithm achieves 1.122 m/s RV RMS using 24 lines on 383 days of NEID solar data, better than full list or CCF.
New instrument suite for ultra-high resolution solar spectroscopy with laser frequency comb calibration enabling precise Sun-as-a-star and spatially resolved line studies.
Solar image analysis shows typical astrometric jitter of 0.342 μas pc from activity, below the ~3 μas Earth-planet signal at 1 pc, so stellar contamination does not prevent Earth-like exoplanet astrometry around Sun-like stars.
citing papers explorer
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Spectral Ratio Analysis: probing of a new suite of stellar activity indicators as a tool for astrophysical noise mitigation
SRA-derived photospheric activity indicators track stellar RV variability up to a factor of two better than classical proxies like logR'HK across 14 G/K stars.
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Improving the Precision of Line-by-Line Radial Velocities: A Data-Driven Iterative Algorithm for Spectral Line Selection
FLARES iterative line-selection algorithm achieves 1.122 m/s RV RMS using 24 lines on 383 days of NEID solar data, better than full list or CCF.
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Observing the integrated and spatially resolved Sun with ultra-high spectral resolution
New instrument suite for ultra-high resolution solar spectroscopy with laser frequency comb calibration enabling precise Sun-as-a-star and spatially resolved line studies.
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Astrometric exoplanet detection survives solar-like stellar contamination
Solar image analysis shows typical astrometric jitter of 0.342 μas pc from activity, below the ~3 μas Earth-planet signal at 1 pc, so stellar contamination does not prevent Earth-like exoplanet astrometry around Sun-like stars.