Related papers: Swift-UVOT detection of GRB 050318

The First Swift Ultra-Violet/Optical Telescope GRB Afterglow Catalog

We present the first Swift Ultra-Violet/Optical Telescope (UVOT) gamma-ray burst (GRB) afterglow catalog. The catalog contains data from over 64,000 independent UVOT image observations of 229 GRBs first detected by Swift, the High Energy…

Astrophysics · Physics 2008-12-18 P. W. A. Roming , T. S. Koch , S. R. Oates , B. L. Porterfield , D. E. Vanden Berk , P. T. Boyd , S. T. Holland , E. A. Hoversten , S. Immler , F. E. Marshall , M. J. Page , J. L. Racusin , D. P. Schneider , A. A. Breeveld , P. J. Brown , M. M. Chester , A. Cucchiara , M. De Pasquale , C. Gronwall , S. D. Hunsberger , N. P. M. Kuin , W. B. Landsman , P. Schady , M. Still

Observations of Early Optical Afterglows

The Swift Ultra-Violet/Optical Telescope (UVOT) has performed extensive follow-up on 71 Swift Burst Alert Telescope triggered gamma-ray bursts (GRBs) in its first ten months of operations. In this paper, we discuss some of the UV and…

Astrophysics · Physics 2009-11-11 Peter W. A. Roming , Keith O. Mason

A Large Catalog of Homogeneous Ultra-Violet/Optical GRB Afterglows: Temporal and Spectral Evolution

We present the second Swift Ultra-Violet/Optical Telescope (UVOT) gamma-ray burst (GRB) afterglow catalog, greatly expanding on the first Swift UVOT GRB afterglow catalog. The second catalog is constructed from a database containing over…

High Energy Astrophysical Phenomena · Physics 2017-02-15 Peter W. A. Roming , T. Scott Koch , Samantha R. Oates , Blair L. Porterfield , Amanda J. Bayless , Alice A. Breeveld , Caryl Gronwall , N. P. M. Kuin , Mat J. Page , Massimiliano de Pasquale , Michael H. Siegel , Craig A. Swenson , Jennifer M. Tobler

First Results from the Swift UVOT

We review some of the initial data from the UVOT telescope on the Swift observatory. Statistics based on about six months of data suggest a dark burst fraction of about 50% when combining both UVOT and ground-based observations. There is…

Astrophysics · Physics 2007-05-23 K. O. Mason , A. J. Blustin , P. W. A. Roming

Prompt optical observations of GRB050319 with the Swift UVOT

The UVOT telescope on the Swift observatory has detected optical afterglow emission from GRB 050319. The flux declines with a power law slope of alpha = -0.57 between the start of observations some 230 seconds after the burst onset (90s…

Astrophysics · Physics 2008-11-26 K. O. Mason , A. J. Blustin , P. Boyd , S. T. Holland , M. J. Page , P. Roming , M. Still , B. Zhang , A. Breeveld , M. De Pasquale , N. Gehrels , C. Gronwall , S. Hunsberger , M. Ivanushkina , W. Landsman , K. McGowan , J. Nousek , T. Poole , J. Rhoads , S. Rosen , P. Schady

Swift Observations of GRB 050603: An afterglow with a steep late time decay slope

We report the results of Swift observations of the Gamma Ray Burst GRB 050603. With a V magnitude V=18.2 about 10 hours after the burst the optical afterglow was the brightest so far detected by Swift and one of the brightest optical…

Astrophysics · Physics 2016-08-30 Dirk Grupe , Peter Brown , Jay Cummings , Bing Zhang , Alon Retter , David N. Burrows , Patricia T. Boyd , Milvia Capalbi , Neil Gehrels , Stephen T. Holland , Peter Meszaros , John A. Nousek , Jamie A. Kennea , Paul O'Brien , Julian Osborne , Claudio Pagani , Judith L. Racusin , Peter Roming , Patricia Schady

The Swift Ultra-Violet/Optical Telescope

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…

Astrophysics · Physics 2011-07-18 P. W. A. Roming , T. E. Kennedy , K. O. Mason , J. A. Nousek , L. Ahr , R. E. Bingham , P. S. Broos , M. J. Carter , B. K. Hancock , H. E. Huckle , S. D. Hunsberger , H. Kawakami , R. Killough , T. S. Koch , M. K. McLelland , K. Smith , P. J. Smith , J. C. Soto , P. T. Boyd , A. A. Breeveld , S. T. Holland , M. Ivanushkina , M. S. Pryzby , M. D. Still , J. Stock

Swift/UVOT: 18 Years of Long GRB Discoveries and Advances

The Neil Gehrels Swift Observatory (Swift) has been in operation for 18 years. The Ultra-Violet/Optical Telescope (UVOT) onboard Swift was designed to capture the earliest optical/UV emission from gamma-ray bursts (GRBs), spanning the first…

High Energy Astrophysical Phenomena · Physics 2023-02-28 S. R. Oates

Early afterglow detection in the Swift observations of GRB 050801

We present results of Swift optical, UV and X-ray observations of the afterglow of GRB 050801. The source is visible over the full optical, UV and X-ray energy range of the Swift UVOT and XRT instruments.Both optical and X-ray lightcurves…

Astrophysics · Physics 2010-03-19 Massimiliano De Pasquale , S. R. Oates , M. J. Page , D. N. Burrows , A. J. Blustin , S. Zane , K. O. Mason , P. W. A. Roming , D. Palmer , N. Gehrels , B. Zhang

A study of gamma-ray burst afterglows as they first come into view of the Swift Ultraviolet and Optical Telescope

We examine the the emission from optically bright gamma-ray burst (GRB) afterglows as the Ultraviolet and Optical Telescope (UVOT) on the Neil Gehrels Swift Observatory first begins observing, following the slew to target the GRB, while the…

High Energy Astrophysical Phenomena · Physics 2019-07-17 M. J. Page , S. R. Oates , M. De Pasquale , A. A. Breeveld , S. W. K. Emery , N. P. M. Kuin , F. E. Marshall , M. H. Siegel , P. W. A. Roming

Swift XRT Observations of the Breaking X-ray Afterglow of GRB 050318

We report the results of Swift X-Ray Telescope (XRT) observations of GRB 050318. This event triggered the Burst Alert Telescope (BAT) aboard Swift and was followed-up with XRT and UVOT for 11 consecutive orbits starting from 54 minutes…

Astrophysics · Physics 2009-11-11 M. Perri , P. Giommi , M. Capalbi , L. Amati , F. Frontera , G. Chincarini , S. Campana , A. Moretti , P. Romano , G. Tagliaferri , G. Cusumano , V. La Parola , V. Mangano , T. Mineo , D. N. Burrows , J. E. Hill , J. A. Kennea , D. C. Morris , C. Pagani , J. A. Nousek , L. Angelini , N. Gehrels , M. Still , A. P. Beardmore , M. R. Goad , O. Godet , P. T. O'Brien , J. P. Osborne , K. L. Page

Swift-UVOT captures the earliest ultraviolet spectrum of a Gamma Ray Burst

We present the earliest ever ultraviolet spectrum of a gamma-ray burst (GRB) as observed with the Swift-UVOT. The GRB 081203A spectrum was observed for 50 seconds with the UV grism starting 251 seconds after the Swift-BAT trigger when the…

Astrophysics · Physics 2009-11-13 N. P. M. Kuin , W. B. Landsman , M. J. Page , P. Schady , M. Still , A. A. Breeveld , M. De Pasquale , P. J. Brown , M. Carter , C. James , P. A. Curran , A. Cucciara , C. Gronwall , S. T. Holland , E. A. Hoversten , S. Hunsberger , T. Kennedy , S. Koch , H. Lamoureux , F. E. Marshall , S. R. Oates , A. Parsons , D. Palmer , P. Roming , P. J. Smith

The Calibration of the Swift/UVOT Optical Observations: A Recipe for Photometry

Swift/UVOT has the capability to provide critical insight into the physics of the early afterglows of gamma-ray bursts (GRBs). But without precise calibration of the UVOT to standard photometric systems, it is impossible to leverage late-…

Astrophysics · Physics 2009-11-11 Weidong Li , Saurabh Jha , Alexei V. Filippenko , Joshua S. Bloom , David Pooley , Ryan J. Foley , Daniel A. Perley

Extract cleaned Swift/UVOT UV grism spectra with uvotpy package

The ultraviolet/optical telescope (UVOT) onboard the Neil Gehrels Swift Observatory is capable of imaging with 7 lenticular filters and of taking slitless spectra with 2 grisms. Both image and grism data have been widely used to study…

Instrumentation and Methods for Astrophysics · Physics 2025-02-18 Hao Zhou , Stefano Covino , Zhi-Ping Jin , Yi-Zhong Fan , Da-Ming Wei , N. Paul Kuin

A Statistical Comparison of the Optical/UV and X-ray Afterglows of Gamma-Ray Bursts using the Swift Ultra-violet Optical and X-ray Telescopes

We present the systematic analysis of the UVOT and XRT light curves for a sample of 26 Swift Gamma-Ray Bursts (GRBs). By comparing the optical/UV and X-ray light curves, we found that they are remarkably different during the first 500s…

High Energy Astrophysical Phenomena · Physics 2015-05-20 S. R. Oates , M. J. Page , P. Schady , M. De Pasquale , P. A. Evans , K. L. Page , M. M. Chester , P. A. Curran , T. S. Koch , N. P. M. Kuin , P. W. A. Roming , M. H. Siegel , S. Zane , J. A. Nousek

Swift panchromatic observations of the bright gamma-ray burst GRB050525a

The bright gamma-ray burst GRB050525a has been detected with the Swift observatory, providing unique multiwavelength coverage from the very earliest phases of the burst. The X-ray and optical/UV afterglow decay light curves both exhibit a…

Astrophysics · Physics 2019-08-14 A. J. Blustin , D. Band , S. Barthelmy , P. Boyd , M. Capalbi , S. T. Holland , F. E. Marshall , K. O. Mason , M. Perri , T. Poole , P. Roming , S. Rosen , P. Schady , M. Still , B. Zhang

GRB 050117: Simultaneous Gamma-ray and X-ray Observations with the Swift Satellite

The Swift Gamma-Ray Burst Explorer performed its first autonomous, X-ray follow-up to a newly detected GRB on 2005 January 17, within 193 seconds of the burst trigger by the Swift Burst Alert Telescope. While the burst was still in…

Astrophysics · Physics 2016-08-30 J. E. Hill , D. C. Morris , T. Sakamoto , G. Sato , D. N. Burrows , L. Angelini , C. Pagani , A. Moretti , A. F. Abbey , S. Barthelmy , A. P. Beardmore , V. V. Biryukov , S. Campana , M. Capalbi , G. Cusumano , P. Giommi , M. A. Ibrahimov , J. Kennea , S. Kobayashi , K. Ioka , C. Markwardt , P. Meszaros , P. T. O'Brien , J. P. Osborne , A. S. Pozanenko , M. Perri , V. V. Rumyantsev , P. Shady , D. A. Sharapov , G. Tagliaferri , B. Zhang , G. Chincarini , N. Gehrels , A. Wells , J. A. Nousek

Swift and optical observations of GRB 050401

We present the results of the analysis of gamma-ray and X-ray data of GRB 050401 taken with the Swift satellite, together with a series of ground-based follow-up observations. The Swift X-ray light curve shows a clear break at about 4900…

Astrophysics · Physics 2010-03-19 Massimiliano De Pasquale , Andy P. Beardmore , S. D. Barthelmy , P. Boyd , D. N. Burrows , R. Fink , N. Geherls , S. Kobayashi , K. O. Mason , R. McNought , J. A. Nousek , K. L. Page , D. M. Palmer , B. A. Peterson , P. A. Price , J. Rich , P. Roming , S. R. Rosen , T. Sakamoto , B. P. Schimdt , J. Tueller , A. A. Wells , S. Zane , B. Zhang , H. Ziaeepour

Ultra High Energy Neutrinos from Gamma-Ray Burst Afterglows Using the Swift-UVOT Data

We consider a sample of 107 Gamma Ray Bursts (GRBs) for which early UV emission was measured by Swift, and extrapolate the photon intensity to lower energies. Protons accelerated in the GRB jet may interact with such photons to produce…

High Energy Astrophysical Phenomena · Physics 2016-02-03 Guy Nir , Dafne Guetta , Hagar Landsman , Ehud Behar

GRB Flares: A New Detection Algorithm, Previously Undetected Flares, and Implications on GRB Physics

Flares in GRB light curves have been observed since shortly after the discovery of the first GRB afterglow. However, it was not until the launch of the Swift satellite that it was realized how common flares are, appearing in nearly 50% of…

High Energy Astrophysical Phenomena · Physics 2013-08-22 C. A. Swenson , P. W. A. Roming