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The Swift Ultra-Violet/Optical Telescope
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The UV/Optical Telescope (UVOT) is one of three instruments flying aboard the Swift Gamma-ray Observatory. It is designed to capture the early (approximately 1 minute) UV and optical photons from the afterglow of gamma-ray bursts in the 170-600 nm band as well as long term observations of these afterglows. This is accomplished through the use of UV and optical broadband filters and grisms. The UVOT has a modified Ritchey-Chretien design with micro-channel plate intensified charged-coupled device detectors that record the arrival time of individual photons and provide sub-arcsecond positioning of sources. We discuss some of the science to be pursued by the UVOT and the overall design of the instrument.
Forward citations
Cited by 23 Pith papers
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JWST observations of SN 2024abup: First Detection of CO in a broad-lined Type Ic Supernova and Constraints on r-process Nucleosynthesis
JWST spectra of SN 2024abup show CO, C, O, and Mg features plus possible dust emission, with no clear r-process signatures identified via SUMO modeling.
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First detection of ultra-fast outflows in a quiescent galaxy
First detection of an ultra-fast outflow (v≈0.07c) in a quiescent galaxy quenched ~9 Gyr ago, suggesting AGN winds can maintain quiescence independent of global star formation.
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EP260321a/SN 2026gzf: The Faintest Shock Breakout Associated with a Broad-Lined Supernova
EP260321a is the faintest observed shock breakout tied to a broad-lined Type Ic supernova, interpreted as a choked weak outflow from a stripped star.
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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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AT 2022csn: A Photometrically Peculiar Optical/UV Tidal Disruption Event in a Type II AGN
AT 2022csn is a luminous optical/UV tidal disruption event with an 18-day double-peaked light curve, low blackbody temperature, and large radius, hosted by a likely Type II AGN.
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Simultaneous radio, optical and X-ray monitoring of hard X-ray selected AGN: a variability study
In 14 hard-X-ray-selected AGN monitored for two years, variability is strongest in X-rays and weakest in radio, and source variability explains only ~2-3% of the scatter in the Fundamental Plane.
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A Multiwavelength Study of a Long-Duration VHE Flare from BL Lacertae with VERITAS
BL Lacertae produced its first long-duration very-high-energy flare, detected for ~11 days and still visible ~40 days after the triggering GeV flare, with SED modeling favoring an SSC+external-Compton interpretation.
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Mapping Dust Attenuation at Kiloparsec Scales. III. The 2175\AA\ Bump
The 2175Å attenuation bump is strongest at low Σ_Hα/Σ_* (especially non-SF regions) while absolute strength tracks dust column, supporting local radiation-field processing of its carriers.
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Structured ionized winds shooting out from a quasar at relativistic speeds
XRISM's Resolve instrument resolves the ultra-fast outflow of quasar PDS 456 into five discrete velocity components, implying a clumpy wind with a mass outflow rate of 60-170 solar masses per year and kinetic power ab...
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Uncertainty-Aware Tidal Disruption Event Classification : A Host-Agnostic Probabilistic Random Forest Approach
Uncertainty-aware Probabilistic Random Forest on 11 photometric light-curve features classifies TDEs without host data more stably than XGBoost and recovers 14 new candidates from ZTF.
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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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Optical observations on the young Type Ia SN 2021fxy with detached high velocity features
In SN 2021fxy, the high-velocity Si II λ6355 absorption declines as roughly t^−0.1, much shallower than the t^−0.22 expected from standard outer ejecta, pointing to detached density structures.
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When will T Coronae Borealis next erupt as a nova? Constraints from recurrence, orbital phase, and accretion-state evolution
T CrB's next eruption is not uniquely predictable; conditional scenarios point to a possible 2026 December eruption if the current decline mimics 1946, or a lower limit near 2029 May if the recent high state left an a...
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Multi-wavelength analysis of FSRQ B2 1348+30B: Constraints on the jet power
A 14.5-year multiwavelength analysis of the blazar B2 1348+30B yields jet power limits of about 2.6e46 to 4.2e48 erg/s, with the heavy-jet estimate far exceeding Eddington luminosity.
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FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421
Mrk 421's X-ray and TeV flares are simultaneous, and its radio light curve can be reproduced as a delayed, smeared version of its GeV light curve.
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Primordial Black Hole signatures from femtolensing and spectral fringe of Gamma Ray Bursts
Spectral fringes in a few GRB observations indicate possible femtolensing by primordial black holes, providing upper limits on their fractional abundance as dark matter.
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Blazars Jets and prospects for TeV-PeV neutrinos & gamma-rays through cosmic-ray interactions
A single-zone model with added proton-proton collisions suggests W Comae and 1ES 1959+650 need hadronic emission, and CTAO sensitivity forecasts show all four BL Lacs are detectable.
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The long-short GRB connection
Short gamma-ray bursts may be the merged descendants of long gamma-ray bursts formed in binary-driven hypernovae, with rates, redshifts, and host-galaxy offsets all consistent with this evolutionary link.
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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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Blue Straggler Stars in Berkeley 18: A Multiwavelength Study of Their Physical Properties and Dynamical Evolution
Multiwavelength study identifies 24 BSS candidates in Berkeley 18, derives their properties via SEDs, and infers binary evolution as the dominant channel from low dynamical interaction indicators.
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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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Studying hot evolved stars with ultraviolet spectroscopy
Review of UV spectroscopy applications to hot evolved stars, emphasizing HST contributions and the need for continued observations ahead of HWO.
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Neutrinos from explosive transients at the dawn of multi-messenger astronomy
This review summarizes the state of neutrino emission from supernovae and neutron-star mergers, covering thermal and high-energy signals, flavor conversion, and multi-messenger detection strategies.
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