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An online repository of Swift/XRT light curves of GRBs
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Context. Swift data are revolutionising our understanding of Gamma Ray Bursts. Since bursts fade rapidly, it is desirable to create and disseminate accurate light curves rapidly. Aims. To provide the community with an online repository of X-ray light curves obtained with Swift. The light curves should be of the quality expected of published data, but automatically created and updated so as to be self-consistent and rapidly available. Methods. We have produced a suite of programs which automatically generates Swift/XRT light curves of GRBs. Effects of the damage to the CCD, automatic readout-mode switching and pile-up are appropriately handled, and the data are binned with variable bin durations, as necessary for a fading source. Results. The light curve repository website (http://www.swift.ac.uk/xrt_curves) contains light curves, hardness ratios and deep images for every GRB which Swift's XRT has observed. When new GRBs are detected, light curves are created and updated within minutes of the data arriving at the UK Swift Science Data Centre.
Forward citations
Cited by 14 Pith papers
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Spectropolarimetric detection of baryonic mass loading in a transient relativistic jet: application to the black hole X-ray binary Swift J1727.8$-$1613
Transient Faraday-complex spectropolarimetric structure detected during radio flaring of Swift J1727 implies internal Faraday rotation from electron-proton jet plasma with rotating mass ~10^21 g, a small fraction of a...
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X-rays breaking out of pre-explosion ejecta mark a supernova's first light
EP260321a is a thermal soft X-ray shock breakout from a ~300 R_⊙ CSM shell around a stripped-envelope progenitor, followed by SN Ic-BL 2026gzf.
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SN 2023uqf: An Interacting Supernova Coincident with a High-Energy Neutrino
SN 2023uqf, a rare interacting Type Ibn supernova found coincident with neutrino IC231004A, is the first observational evidence that interacting supernovae are hadronic accelerators.
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Short GRB 090510: a magnetized neutron star binary merger leading to a black hole
GRB 090510 is modeled as a merger of two ~1.2 solar mass neutron stars that forms a spinning 2.36 solar mass black hole, with each emission phase traced to a different energy source.
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X-ray Flaring and Variability in NGC 1275, the Heart of the Perseus Cluster
Swift monitoring reveals a factor-of-two X-ray flare from the AGN in NGC 1275 that is inconsistent with a tidal disruption event, with a radio flare following about 300 days later.
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Exploring the multi-wavelength properties of the high energetic event ZTF20abbiixp/GRB 200524A: from prompt emission to afterglow
A multi-wavelength study of GRB 200524A reports a dense ISM environment with a high kinetic energy and a large magnetic-field energy fraction, inferred from forward plus reverse shock modeling.
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XMM-Newton and Swift Unveil Another X-Ray Transient in NGC 4945, XMM J130514.64-493311.27
A previously undetected X-ray transient, XMM J130514.64-493311.27, was discovered in NGC 4945 with properties consistent with an X-ray binary caught in outburst.
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Probing a new subclass of llGRB-SN transients: Insights from EP250304a and its associated supernova
EP250304a/SN 2025fhm is presented as a member of an emerging subclass of shocked cocoon-dominated low-luminosity GRB-SNe based on spectral, photometric, and light-curve modeling comparisons to prior events.
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The powerful shocks in RS Oph: NuSTAR X-ray data and a complete review
New NuSTAR observation and historical review indicate an initial strong shock near the red giant in RS Oph produces both gamma-ray particle acceleration and 0.2-30 keV thermal X-rays, with gamma-ray flux from Fermi in...
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Colour evolution in the radio afterglow of GRB 241025A
Multi-band data for GRB 241025A require an ad-hoc factor-500 increase in shocked-material optical depth to match the observed radio spectral evolution within a structured-jet forward-shock model.
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Deep optical spectroscopic monitoring of the pulsating ULX NGC 1313 X-2 with longslit Gemini observations
Gemini spectroscopy suggests an A-type supergiant donor in NGC 1313 X-2 and provides updated constraints on orbital parameters, disk size, and gas bubble expansion.
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Variability Study of Extreme Blazars with VERITAS
For three extreme blazars, VERITAS finds band-to-band correlations partly consistent with one-zone emission, while the TeV opacity analysis cannot rule out secondary gamma-ray production.
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A possible high-redshift origin for the short GRB 061201: implications of a compact binary merger beyond cosmic noon
The paper proposes a high-redshift (z>2) origin for GRB 061201 by combining afterglow constraints with deep JWST near-infrared imaging of a faint candidate host.
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GRB 250424A: A Case Study of Energy Injection with Multiwavelength Observations
GRB 250424A afterglow shows simultaneous shallow decay in X-ray and optical bands modeled as continuous energy injection (q≈0.34) into a forward shock in constant-density medium, with E_K,iso ≈5.5×10^52 erg and no cle...
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