SIMBAD references

2026ApJ...999..252T - Astrophys. J., 999, 252 (2026/March-2)

Stellar Flare Study of nearby Young Moving Group Members with TESS Data.

TRAN A. and SONG I.

Abstract (from CDS):

We analyze TESS data to explore stellar flares and rotational characteristics in members of nearby young moving groups (NYMGs). Our study focuses on 417 members of NYMGs aged 10-150 Myr. Using detrended light curves from the TESS Science Office Quick-Look Pipeline, coupled with our own additional detrending scheme for fast rotators, we systematically detect and characterize 6288 stellar flares from 27,416 flare candidates. We analyzed light curves from Cycles 1-4 of the TESS mission, finding that for each NYMG member analyzed, at least one stellar flare was present. Flare candidates are initially detected using the AltaiPony flare package, followed by a recovery of flare amplitudes, durations, and local continuum background levels. We examine the relationship between flare energy, age, and mass, finding a reduced flaring rate for late-type stars with age for high-energy flares, as well as 5.5 times more flares detected in the 10 minute cadence TESS data compared to 30 minute cadence data. Additionally, flare events with extreme energies (E ≥ 1034 erg) on M dwarf and solar-type stars provide implications for further exploration into exoplanet habitability.

Abstract Copyright: © 2026. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Stellar associations - Stellar flares

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 13

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