An Online Framework for Fitting Fast Transient Lightcurves
arXiv:2404.17515 · doi:10.1093/mnras/stae1164
Abstract
The identification of extragalactic fast optical transients (eFOTs) as potential multi-messenger sources is one of the main challenges in time-domain astronomy. However, recent developments have allowed for probes of rapidly-evolving transients. With the increasing number of alert streams from optical time-domain surveys, the next paradigm is building technologies to rapidly identify the most interesting transients for follow-up. One effort to make this possible is the fitting of objects to a variety of eFOT lightcurve models such as kilonovae and -ray burst (GRB) afterglows. In this work, we describe a new framework designed to efficiently fit transients to light curve models and flag them for further follow-up. We describe the pipeline's workflow and a handful of performance metrics, including the nominal sampling time for each model. We highlight as examples ZTF20abwysqy, the shortest long gamma ray burst discovered to date, and ZTF21abotose, a core-collapse supernova initially identified as a potential kilonova candidate.
Accepted to MNRAS, 11 pages, 9 figures
References in corpus (33)
- GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
- Gravitational Waves and Gamma-rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A
- An Ordinary Short Gamma-Ray Burst with Extraordinary Implications: Fermi-GBM Detection of GRB 170817A
- The Zwicky Transient Facility: Data Processing, Products, and Archive
- A gravitational-wave standard siren measurement of the Hubble constant
- Swope Supernova Survey 2017a (SSS17a), the Optical Counterpart to a Gravitational Wave Source
- The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. II. UV, Optical, and Near-IR Light Curves and Comparison to Kilonova Models
- Spectroscopic identification of r-process nucleosynthesis in a double neutron star merger
- INTEGRAL Detection of the First Prompt Gamma-Ray Signal Coincident with the Gravitational Wave Event GW170817
- Theory of Core-Collapse Supernovae
- A kilonova as the electromagnetic counterpart to a gravitational-wave source
- The Zwicky Transient Facility: Science Objectives
- Constraining the Maximum Mass of Neutron Stars From Multi-Messenger Observations of GW170817
- The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. IV. Detection of Near-infrared Signatures of r-process Nucleosynthesis with Gemini-South
- GW170817: Joint Constraint on the Neutron Star Equation of State from Multimessenger Observations
- Neutron-star radius constraints from GW170817 and future detections
- Identification of strontium in the merger of two neutron stars
- The Zwicky Transient Facility: Surveys and Scheduler
- Constraining Neutron-Star Matter with Microscopic and Macroscopic Collisions
- The Zwicky Transient Facility: Observing System
- Estimating the Contribution of Dynamical Ejecta in the Kilonova Associated with GW170817
- The Zwicky Transient Facility Alert Distribution System
- Spitzer Mid-Infrared Detections of Neutron Star Merger GW170817 Suggests Synthesis of the Heaviest Elements
- GROWTH on S190814bv: Deep Synoptic Limits on the Optical/Near-Infrared Counterpart to a Neutron Star-Black Hole Merger
- Searching for Electromagnetic Counterparts to Gravitational-wave Merger Events with the Prototype Gravitational-wave Optical Transient Observer (GOTO-4)
- On the nature of GW190814 and its impact on the understanding of supranuclear matter
- Optical follow-up of the neutron star-black hole mergers S200105ae and S200115j
- Kilonova Luminosity Function Constraints based on Zwicky Transient Facility Searches for 13 Neutron Star Mergers
- GRANDMA Observations of Advanced LIGO's and Advanced Virgo's Third Observational Campaign
- Implications of the search for optical counterparts during the first six months of the Advanced LIGO's and Advanced Virgo's third observing run: possible limits on the ejecta mass and binary properties
- Observational constraints on the optical and near-infrared emission from the neutron star-black hole binary merger S190814bv
- Shock Cooling Emission from Extended Material Revisited
- Measuring the Hubble Constant with a sample of kilonovae