Related papers: The Swift UVOT grism calibration and example spect…

The Swift-UVOT ultraviolet and visible grism calibration

We present the calibration of the Swift UVOT grisms, of which there are two, providing low-resolution field spectroscopy in the ultraviolet and optical bands respectively. The UV grism covers the range 1700-5000 Angstrom with a spectral…

Instrumentation and Methods for Astrophysics · Physics 2015-04-30 N. P. M. Kuin , W. Landsman , A. A. Breeveld , M. J. Page , C. James , H. Lamoureux , M. Mehdipour , M. Still , V. Yershov , P. J. Brown , M. Carter , K. O. Mason , T. Kennedy , F. Marshall , P. W. A. Roming , M. Siegel , S. Oates , P. J. Smith , M. De Pasquale

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

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

Photometric Calibration of the Swift Ultraviolet/Optical Telescope

We present the photometric calibration of the Swift UltraViolet/Optical Telescope (UVOT) which includes: optimum photometric and background apertures, effective area curves, colour transformations, conversion factors for count rates to…

Astrophysics · Physics 2010-11-09 T. S. Poole , A. A. Breeveld , M. J. Page , W. Landsman , S. T. Holland , P. Roming , N. P. M. Kuin , P. J. Brown , C. Gronwall , S. Hunsberger , S. Koch , K. O. Mason , P. Schady , D. Vanden Berk , A. J. Blustin , P. Boyd , P. Broos , M. Carter , M. M. Chester , A. Cucchiara , B. Hancock , H. Huckle , S. Immler , M. Ivanushkina , T. Kennedy , F. Marshall , A. Morgan , S. Pandey , M. de Pasquale , P. J. Smith , M. Still

Slitless grism spectroscopy with the HST Advanced Camera for Surveys

The Advanced Camera for Surveys on-board HST is equipped with a set of one grism and three prisms for low-resolution, slitless spectroscopy in the range 1150 Ang. to 10500 Ang. The G800L grism provides optical spectroscopy between 5500 Ang.…

Astrophysics · Physics 2009-11-11 A. Pasquali , N. Pirzkal , S. Larsen , J. Walsh , M. Kuemmel

Ultraviolet Spectroscopy of Supernovae: The First Two Years of Swift Observations

We present the entire sample of ultraviolet (UV) spectra of supernovae (SNe) obtained with the Ultraviolet/Optical Telescope (UVOT) on board the Swift satellite during the first 2 years of observations (2005/2006). A total of 29 UV-grism…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-22 F. Bufano , S. Immler , M. Turatto , W. Landsman , P. Brown , S. Benetti , E. Cappellaro , S. T. Holland , P. Mazzali , P. Milne , N. Panagia , E. Pian , P. Roming , L. Zampieri , A. A. Breeveld , N. Gehrels

Decontaminating Swift UVOT Grism Observations of Transient Sources

We present a new technique of decontaminating Swift UVOT grism spectra for transient objects. We describe the template image requirements and image processing steps necessary to successfully implement the empirical decontamination…

Instrumentation and Methods for Astrophysics · Physics 2016-04-27 Michael T. Smitka , Peter J. Brown , Paul Kuin , Nicholas B. Suntzeff

An Updated Ultraviolet Calibration for the Swift/UVOT

We present an updated calibration of the Swift/UVOT broadband ultraviolet (uvw1, uvm2, and uvw2) filters. The new calibration accounts for the ~1% per year decline in the UVOT sensitivity observed in all filters, and makes use of additional…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 A. A. Breeveld , W. Landsman , S. T. Holland , P. Roming , N. P. M. Kuin , M. J. Page

Slitless spectroscopy with the James Webb Space Telescope Near-Infrared Camera (JWST NIRCam)

The James Webb Space Telescope near-infrared camera (JWST NIRCam) has two 2.'2 $\times$ 2.'2 fields of view that are capable of either imaging or spectroscopic observations. Either of two $R \sim 1500$ grisms with orthogonal dispersion…

Instrumentation and Methods for Astrophysics · Physics 2016-10-12 Thomas P. Greene , Laurie Chu , Eiichi Egami , Klaus W. Hodapp , Douglas M. Kelly , Jarron Leisenring , Marcia Rieke , Massimo Robberto , Everett Schlawin , John Stansberry

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

Swift-UVOT detection of GRB 050318

We present observations of GRB 050318 by the Ultra-Violet and Optical Telescope (UVOT) on-board the Swift observatory. The data are the first detections of a Gamma Ray Burst (GRB) afterglow decay by the UVOT instrument, launched…

Astrophysics · Physics 2010-03-19 M. Still , P. W. A. Roming , K. O. Mason , A. Blustin , P. Boyd , A. Breeveld , P. Brown , M. De Pasquale , C. Gronwall , S. T. Holland , S. Hunsberger , M. Ivanushkina , C. James , W. Landsman , K. McGowan , A. Morgan , T. Poole , S. Rosen , P. Schady , B. Zhang , H. Krimm , T. Sakamoto , P. Giommi , M. R. Goad , V. Mangano , K. Page , M. Perri , D. N. Burrows , N. Gehrels , J. Nousek

Paper II: Calibration of the Swift ultraviolet/optical telescope

The Ultraviolet/Optical Telescope (UVOT) is one of three instruments onboard the Swift observatory. The photometric calibration has been published, and this paper follows up with details on other aspects of the calibration including a…

Instrumentation and Methods for Astrophysics · Physics 2010-09-02 A. A. Breeveld , P. A. Curran , E. A. Hoversten , S. Koch , W. Landsman , F. E. Marshall , M. J. Page , T. S. Poole , P. Roming , P. J. Smith , M. Still , V. Yershov , A. J. Blustin , P. J. Brown , C. Gronwall , S. T. Holland , N. P. M. Kuin , K. McGowan , S. Rosen , P. Boyd , P. Broos , M. Carter , M. M. Chester , B. Hancock , H. Huckle , S. Immler , M. Ivanushkina , T. Kennedy , K. O. Mason , A. N. Morgan , S. Oates , M. de Pasquale , P. Schady , M. Siegel , D. Vanden Berk

Calibration of AstroSat/UVIT Gratings and Spectral Responses

AstroSat/UVIT carries two gratings in the FUV channel and a single grating in the NUV channel. These gratings are useful for low resolution, slitless spectroscopy in the far and near UV bands of a variety of cosmic sources such as hot…

Instrumentation and Methods for Astrophysics · Physics 2021-06-23 G. C. Dewangan

A Search for Lyman Break Galaxies in the CDF-S Using Swift UVOT

(Abridged) While the Swift satellite is primarily designed to study gamma-ray bursts, its ultraviolet and optical imaging and spectroscopy capabilities are also being used for a variety of scientific programs. In this study, we use the…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-22 Antara R. Basu-Zych , Ann E. Hornschemeier , Erik A. Hoversten , Bret Lehmer , Caryl Gronwall

Swift UVOT Grism Observations of Nearby Type Ia Supernovae - I. Observations and Data Reduction

Ultraviolet (UV) observations of Type Ia supernovae (SNe Ia) are useful tools for understanding progenitor systems and explosion physics. In particular, UV spectra of SNe Ia, which probe the outermost layers, are strongly affected by the…

High Energy Astrophysical Phenomena · Physics 2018-06-13 Y. -C. Pan , R. J. Foley , A. V. Filippenko , N. P. M. Kuin

GRAPES, Grism Spectroscopy of the Hubble Ultra Deep Field: Description and Data Reduction

We present deep unbiased spectroscopy of the Hubble Ultra Deep Field (UDF) carried out using the slitless grism spectroscopy mode of the Advance Camera for Surveys on the Hubble Space Telescope (HST). The GRIsm ACS Program for Extragalactic…

Astrophysics · Physics 2016-08-16 N. Pirzkal , C. Xu , S. Malhotra , J. E. Rhoads , A. M. Koekemoer , L. A. Moustakas , J. R. Walsh , R. A. Windhorst , E. Daddi , A. Cimatti , H. C. Ferguson , Jonathan P. Gardner , C. Gronwall , Z. Haiman , M. Kümmel , N. Panagia , A. Pasquali , M. Stiavelli , S. di Serego Alighieri , Z. Tsvetanov , J. Vernet , H. Yan

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

Swift UVOT Grism Spectroscopy of Comets: A First Application to C/2007 N3 (Lulin)

We observed comet C/2007 N3 (Lulin) twice on UT 28 January 2009, using the UV grism of the Ultraviolet and Optical Telescope (UVOT) on board the Swift Gamma Ray Burst space observatory. Grism spectroscopy provides spatially resolved…

Earth and Planetary Astrophysics · Physics 2015-05-20 D. Bodewits , G. L. Villanueva , M. J. Mumma , W. B. Landsman , J. A. Carter , A. M. Read

Euclid preparation: The NISP spectroscopy channel, on ground performance and calibration

ESA's Euclid cosmology mission relies on the very sensitive and accurately calibrated spectroscopy channel of the Near-Infrared Spectrometer and Photometer (NISP). With three operational grisms in two wavelength intervals, NISP provides…

Instrumentation and Methods for Astrophysics · Physics 2026-03-18 Euclid Collaboration , W. Gillard , T. Maciaszek , E. Prieto , F. Grupp , A. Costille , K. Jahnke , J. Clemens , S. Dusini , M. Carle , C. Sirignano , E. Medinaceli , S. Ligori , E. Franceschi , M. Trifoglio , W. Bon , R. Barbier , S. Ferriol , A. Secroun , N. Auricchio , P. Battaglia , C. Bonoli , L. Corcione , F. Hormuth , D. Le Mignant , G. Morgante , C. Padilla , R. Toledo-Moreo , L. Valenziano , R. Bender , F. J. Castander , P. B. Lilje , A. Balestra , J. -J. C. Barriere , M. Berthe , C. Boderndorf , A. Bonnefoi , V. Capobianco , R. Casas , H. Cho , F. Ducret , J. -L. Gimenez , W. Holmes , A. Hornstrup , M. Jhabvala , E. Jullo , R. Kohley , B. Kubik , R. Laureijs , I. Lloro , C. Macabiau , Y. Mellier , G. Polenta , G. D. Racca , A. Renzi , M. Schirmer , G. Seidel , M. Seiffert , G. Sirri , G. Smadja , L. Stanco , S. Wachter , H. Aussel , T. Auphan , B. R. Granett , R. Chary , Y. Copin , P. Hudelot , V. Le Brun , F. Torradeflot , P. N. Appleton , P. Casenove , P. -Y. Chabaud , M. Frailis , M. Fumana , L. Guzzo , G. Mainetti , D. Maino , M. Moresco , W. J. Percival , R. Scaramella , M. Scodeggio , N. R. Stickley , D. Vibert , Y. Wang , J. Zoubian , N. Aghanim , B. Altieri , A. Amara , S. Andreon , C. Baccigalupi , M. Baldi , S. Bardelli , A. Biviano , A. Bonchi , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , G. Cañas-Herrera , C. Carbone , J. Carretero , S. Casas , M. Castellano , G. Castignani , S. Cavuoti , K. C. Chambers , A. Cimatti , C. Colodro-Conde , G. Congedo , C. J. Conselice , L. Conversi , F. Courbin , H. M. Courtois , J. -G. Cuby , A. Da Silva , R. da Silva , H. Degaudenzi , G. De Lucia , A. M. Di Giorgio , H. Dole , M. Douspis , F. Dubath , X. Dupac , S. Escoffier , M. Fabricius , M. Farina , R. Farinelli , P. Fosalba , S. Fotopoulou , N. Fourmanoit , P. Franzetti , S. Galeotta , K. George , B. Gillis , C. Giocoli , P. Gómez-Alvarez , J. Gracia-Carpio , A. Grazian , S. V. H. Haugan , J. Hoar , H. Hoekstra , I. M. Hook , E. Keihänen , S. Kermiche , A. Kiessling , M. Kümmel , M. Kunz , H. Kurki-Suonio , Q. Le Boulc'h , A. M. C. Le Brun , P. Liebing , V. Lindholm , E. Maiorano , O. Mansutti , S. Marcin , O. Marggraf , K. Markovic , M. Martinelli , N. Martinet , F. Marulli , R. Massey , S. Maurogordato , H. J. McCracken , S. Mei , M. Melchior , M. Meneghetti , E. Merlin , G. Meylan , A. Mora , L. Moscardini , R. Nakajima , C. Neissner , R. C. Nichol , S. -M. Niemi , J. W. Nightingale , S. Paltani , F. Pasian , K. Pedersen , V. Pettorino , S. Pires , M. Poncet , L. A. Popa , L. Pozzetti , F. Raison , R. Rebolo , J. Rhodes , G. Riccio , E. Romelli , M. Roncarelli , E. Rossetti , R. Saglia , Z. Sakr , A. G. Sánchez , D. Sapone , B. Sartoris , J. A. Schewtschenko , P. Schneider , T. Schrabback , E. Sefusatti , P. Simon , J. Steinwagner , P. Tallada-Crespí , D. Tavagnacco , A. N. Taylor , H. I. Teplitz , I. Tereno , S. Toft , I. Tutusaus , J. Valiviita , T. Vassallo , G. Verdoes Kleijn , A. Veropalumbo , J. Weller , A. Zacchei , G. Zamorani , F. M. Zerbi , I. A. Zinchenko , E. Zucca , V. Allevato , M. Ballardini , M. Bolzonella , E. Bozzo , C. Burigana , R. Cabanac , A. Cappi , D. Di Ferdinando , J. A. Escartin Vigo , L. Gabarra , W. G. Hartley , J. Martín-Fleitas , S. Matthew , N. Mauri , R. B. Metcalf , A. Pezzotta , M. Pöntinen , C. Porciani , I. Risso , V. Scottez , M. Sereno , M. Tenti , M. Viel , M. Wiesmann , Y. Akrami , I. T. Andika , S. Anselmi , M. Archidiacono , F. Atrio-Barandela , D. Bertacca , M. Bethermin , A. Blanchard , L. Blot , S. Borgani , M. L. Brown , S. Bruton , A. Calabro , B. Camacho Quevedo , F. Caro , C. S. Carvalho , T. Castro , Y. Charles , F. Cogato , S. Conseil , A. R. Cooray , O. Cucciati , S. Davini , F. De Paolis , G. Desprez , A. Díaz-Sánchez , J. J. Diaz , S. Di Domizio , J. M. Diego , P. Dimauro , P. -A. Duc , A. Enia , Y. Fang , A. M. N. Ferguson , A. G. Ferrari , A. Finoguenov , A. Franco , K. Ganga , J. García-Bellido , T. Gasparetto , V. Gautard , E. Gaztanaga , F. Giacomini , F. Gianotti , G. Gozaliasl , A. Gregorio , M. Guidi , C. M. Gutierrez , A. Hall , S. Hemmati , C. Hernández-Monteagudo , H. Hildebrandt , J. Hjorth , J. J. E. Kajava , Y. Kang , V. Kansal , D. Karagiannis , K. Kiiveri , C. C. Kirkpatrick , S. Kruk , J. Le Graet , L. Legrand , M. Lembo , F. Lepori , G. Leroy , G. F. Lesci , J. Lesgourgues , L. Leuzzi , T. I. Liaudat , S. J. Liu , A. Loureiro , J. Macias-Perez , G. Maggio , M. Magliocchetti , C. Mancini , F. Mannucci , R. Maoli , C. J. A. P. Martins , L. Maurin , C. J. R. McPartland , M. Miluzio , P. Monaco , A. Montoro , C. Moretti , S. Nadathur , K. Naidoo , A. Navarro-Alsina , F. Passalacqua , K. Paterson , L. Patrizii , A. Pisani , D. Potter , S. Quai , M. Radovich , P. -F. Rocci , S. Sacquegna , M. Sahlén , D. B. Sanders , E. Sarpa , A. Schneider , D. Sciotti , E. Sellentin , L. C. Smith , K. Tanidis , C. Tao , G. Testera , R. Teyssier , S. Tosi , A. Troja , M. Tucci , C. Valieri , A. Venhola , D. Vergani , G. Verza , N. A. Walton , L. Zalesky

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