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Fink , a new generation of broker for the LSST community

Anais Möller 1 Julien Peloton 2 Emille E. O. Ishida 1 Chris Arnault 2 Etienne Bachelet Tristan Blaineau 2 Dominique Boutigny 3 Abhishek Chauhan Emmanuel Gangler 1 Fabio Hernandez 4 Julius Hrivnac 2 Marco Leoni 2 Nicolas Leroy 2 Marc Moniez 2 Sacha Pateyron 2 Adrien Ramparison 2 Damien Turpin Réza Ansari 2 Tarek Allam Armelle Bajat Biswajit Biswas 1 Alexandre Boucaud 5 Johan Bregeon 6 Jean-Eric Campagne 2 Johann Cohen-Tanugi 1, 7 Alexis Coleiro 5 Damien Dornic 8 Dominique Fouchez 8 Olivier Godet Philippe Gris 1 Sergey Karpov Ada Nebot Gomez-Moran Jérémy Neveu 2 Stéphane Plaszczynski 2 Volodymyr Savchenko Natalie Webb
1 LPC - Laboratoire de Physique de Clermont
2 IJCLab - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
3 LAPP - Laboratoire d'Annecy de Physique des Particules
4 CC-IN2P3 - Centre de Calcul de l'IN2P3
5 APC (UMR_7164) - AstroParticule et Cosmologie
6 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
7 LUPM - Laboratoire Univers et Particules de Montpellier
8 CPPM - Centre de Physique des Particules de Marseille
Abstract : Fink is a broker designed to enable science with large time-domain alert streams such as the one from the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST). It exhibits traditional astronomy broker features such as automatised ingestion, annotation, selection and redistribution of promising alerts for transient science. It is also designed to go beyond traditional broker features by providing real-time transient classification which is continuously improved by using state-of-the-art Deep Learning and Adaptive Learning techniques. These evolving added values will enable more accurate scientific output from LSST photometric data for diverse science cases while also leading to a higher incidence of new discoveries which shall accompany the evolution of the survey. In this paper we introduce Fink, its science motivation, architecture and current status including first science verification cases using the Zwicky Transient Facility alert stream.
Keywords : gamma-ray bursts -gravitational lensing data analysis -transients data analysis -software surveys -methods micro -transients supernovae
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https://hal-cnrs.archives-ouvertes.fr/hal-03045627
Contributor : Philippe Gris <>
Submitted on : Tuesday, December 8, 2020 - 9:59:36 AM
Last modification on : Thursday, April 15, 2021 - 3:08:17 PM
Long-term archiving on: : Tuesday, March 9, 2021 - 6:36:47 PM

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CNRS | LPC-CLERMONT | IN2P3 | ACL-SF | PRES_CLERMONT | CEA-DRF | LUPM_EMA | UNIV-MONTPELLIER | MIPS | LUPM_IFAC | IJCLAB | UNIV-PARIS | UP-SCIENCES | PSL | OBSPM | CEA | UNIV-SAVOIE | UGA | CPPM | LAPP | LPSC | APC | UNIV-AMU | LUPM | CEA-UPSAY | CC-IN2P3

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Anais Möller, Julien Peloton, Emille E. O. Ishida, Chris Arnault, Etienne Bachelet, et al.. Fink , a new generation of broker for the LSST community. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP): Policy P - Oxford Open Option A, 2021, 501 (3), pp.3272-3288. ⟨10.1093/mnras/staa3602⟩. ⟨hal-03045627⟩

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