-180°-120°-60°0°60°120°180° -75° -60° -30° 0° 30° 60° 75° V(mag) 1 2 3 4 5 6 [Lund et al. 2025 (in review)] Aitoff sky projection in Galactic coordinates showing the Luminaries and the PLATO LOP fields METHODS vBoth standard TESS Science Processing Operations Center (SPOC) light curves and custom apertures from Lund et al. 2025 (in review) vPipelines: apollinaire [Breton et al. 2022] and comparison with the reference PLATO pipeline PBJAM [Nielsen et al. 2021, 2023] AIMS v Seismic Characterisation of TESS-Observed Stars in PLATO LOP Fields vPeak-bagging analysis for 20 of the 34 stars in the sample LUMINARIES IN THE SKY: THE TESS LEGACY SAMPLE OF BRIGHT STARS II. In depth seismic characterisation of the 34 luminaries found in the PLATO LOP fields Eva Panetier1, Rafael A. García2, Justine Gosmain2, Mikkel N. Lund3, Ashley Chontos4, Frank Grundahl3, Savita Mathur5,6, Sylvain N. Breton7, Dinil B. Palakkatharappil2, et al.
[email protected] INTRODUCTION Current status TESS (Transiting Exoplanet Survey Satellite, Ricker et al. 2015) All-sky photometric survey Characterisation of millions of stars from 2018 PLATO (PLAnetary Transits and Oscillations of stars, Rauer et al. 2014, 2024) Launch in late 2026 Long duration Observation Phase (LOP) Two 49°×%49° fields of view F M O R T O [Rauer et al. 2014, 2024] [Ricker et al. 2015] T S S E P T A L O Preliminary results for TIC 22516402 (99 Her) The background modelling and the peakbagging procedure using apollinaire is in progress. Acknowledgements. We thank the dedicated team behind the TESS mission, without whom this work would not have been possible. We are also grateful to the Principal Investigators of the TESS Guest Investigator programs that enabled the 120and 20-second cadence observations of the stars analysed in this study (see: https://heasarc.gsfc.nasa.gov/docs/tess/approved-programs.html). E.P. and R.A.G. acknowledge the support from the GOLF/SoHO and PLATO Centre National D’Études Spatiales grants. S.N.B acknowledges support from PLATO ASI-INAF agreement no. 2022-28-HH.0 "PLATO Fase D". This work made use of iechelle (see https://gitlab.com/dinilbose/iechelle.git). 120and 20-second cadence observations available + combination The best cadence data was chosen for each star: 𝜈!"# ≳1500 20s cadence data [Huber et al. 2022] → Choice with the SNR for the others → Several sectors combined Which tess data do we use? The LUMINARIES Catalog [Lund et al. 2025 (in review)] 196 bright stars (𝑉 < 6) showing solar-like oscillations Scan me to get the docs! https://apollinaire.readthedocs. io/en/latest/ NEXT STEPS OF THE ANALYSIS v Continue the peakbagging with apollinaire v Benchmarking the reference PLATO pipeline PBJAM using apollinaire vComparison with other stars observed by Kepler and TESS [Lund et al. 2017] vAnalysis of the sample See the poster by Mikkel N. Lund Sample: both main-sequence and subgiant solar-like stars 120s – 7 sectors 20s & 120s – 53 sectors 20s & 120s – 8 sectors 20s & 120s – 9 sectors 20s & 120s – 28 sectors 20s & 120s – 25 sectors 20s & 120s – 22 sectors 120s – 12 sectors 20s & 120s – 18 sectors 20s & 120s – 21 sectors 20s & 120s – 50 sectors 20s – 18 sectors 20s – 4 sectors 20s – 11 sectors 20s – 7 sectors 20s – 16 sectors 20s – 3 sectors 20s – 5 sectors 20s – 28 sectors 20s – 11 sectors 1Université Paris Cité, Université Paris-Saclay, CEA, CNRS, AIM, Gif-sur-Yvette, France 2Université Paris-Saclay, Université Paris Cité, CEA, CNRS, AIM, Gif-sur-Yvette, France 3Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Denmark 4Department of Astrophysical Sciences, Princeton University, USA 5Instituto de Astrofísica de Canarias (IAC), Tenerife, Spain 6Universidad de La Laguna (ULL), Departamento de Astrofísica, Tenerife, Spain 7INAF – Osservatorio Astrofisico di Catania, Italy
