Published July 22, 2021 | Version v1
Poster Open

FULMAR: Follow-Up Lightcurves Multitool Assisting Radial velocities

  • 1. Instituto de Astrofísica e Ciências do Espaço (IA), Departamento de Fisica e Astronomia da Universidade do Porto

Contributors

  • 1. Planetary Science Institute

Description

TESS is now routinely discovering new exoplanets and candidates. Detailed analysis of the TESS lightcurves is necessary to select the best candidates for Radial Velocities (RV) follow-up, as we cannot observe all TOIs due to the instrument time required. We developed a modular tool called FULMAR (Follow-Up Lightcurves Multitool Assisting Radial velocities) to help with this process. Our code compiles available TESS lightcurves for any selected target.  It can filter the activity using different methods (such as Savitzky-Golay filtering, Gaussian Processes), compute the rotation period of the star using Gaussian Processes, search for transits in the cleaned lightcurve  using the transit least-squares (TLS) algorithm and probe signals that were detected with RV. FULMAR aims at helping astronomers involved in RV Follow-up of TESS candidates and future photometric surveys.

Notes

This work was supported by FCT through national funds (PTDC/FIS-AST/28953/2017) and by FEDER - Fundo Europeu de Desenvolvimento Regional through COMPETE2020 - Programa Operacional Competitividade e Internacionaliza\c{c}\~ao (POCI-01-0145-FEDER-028953) and through national funds (PIDDAC) by the grant UID/FIS/04434/2019.}

Files

FULMAR_logo_title.png

Files (9.5 MB)

Name Size Download all
md5:3bb9250236e8e349d03edaef8d1221d0
1.1 MB Preview Download
md5:fd92265dc723a5f3cac560c6b09e0b16
8.4 MB Preview Download

Additional details

References

  • S. C. C. Barros, O. Demangeon, R. F. Díaz, J. Cabrera, N. C. Santos, J. P. Faria, and F. Pereira. Improving transit characterisation with Gaussian process modelling of stellar variability. , 634:A75, February 2020.
  • Daniel Foreman-Mackey, Arjun Savel, Rodrigo Luger, Eric Agol, Ian Czekala, Adrian Price-Whelan, Christina Hedges, Emily Gilbert, Luke Bouma, Tom Barclay, and Timothy D. Brandt. exoplanet-dev/exoplanet v0.5.0, May 2021.
  • Michael Hippke and René Heller. Optimized transit detection algorithm to search for periodic transits of small planets. , 623:A39, Mar 2019
  • Lightkurve Collaboration, J. V. d. M. Cardoso, C. Hedges, M. Gully-Santiago, N. Saunders, A. M. Cody, T. Barclay, O. Hall, S. Sagear, E. Turtelboom, J. Zhang, A. Tzanidakis, K. Mighell, J. Coughlin, K. Bell, Z. Berta-Thompson, P. Williams, J. Dotson, and G. Barentsen. Lightkurve: Kepler and TESS time series analysis in Python. Astrophysics Source Code Library, December 2018.