Related papers: Wide-field Ultraviolet Imager for Astronomical Tra…

An overview of the EXTraS project: Exploring the X-ray Transient and Variable Sky

The EXTraS project (Exploring the X-ray Transient and variable Sky) will harvest the hitherto unexplored temporal domain information buried in the serendipitous data collected by the European Photon Imaging Camera (EPIC) instrument onboard…

High Energy Astrophysical Phenomena · Physics 2019-08-15 A. De Luca , R. Salvaterra , A. Tiengo , D. D'Agostino , M. G. Watson , F. Haberl , J. Wilms

Calibration and performance of the photon-counting detectors for the Ultraviolet Imaging Telescopes (UVIT) of the Astrosat observatory

We describe calibration data, and discuss performance of the photon-counting flight detectors for the Ultraviolet Imaging Telescopes on the Astrosat observatory. The paper describes dark current, flat field and light-spot images for FUV,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 J. Postma , J. B. Hutchings , D. Leahy

UVscope and its application aboard the ASTRI-Horn telescope

UVscope is an instrument, based on a multi-pixel photon detector, developed to support experimental activities for high-energy astrophysics and cosmic ray research. The instrument, working in single photon counting mode, is designed to…

Instrumentation and Methods for Astrophysics · Physics 2021-04-02 M. C. Maccarone , G. La Rosa , O. Catalano , S. Giarrusso , A. Segreto , B. Biondo , P. Bruno , C. Gargano , A. Grillo , D. Impiombato , Fr. Russo , G. Sottile

CUBES: a UV spectrograph for the future

In spite of the advent of extremely large telescopes in the UV/optical/NIR range, the current generation of 8-10m facilities is likely to remain competitive at ground-UV wavelengths for the foreseeable future. The Cassegrain U-Band…

Instrumentation and Methods for Astrophysics · Physics 2022-12-27 S. Covino , S. Cristiani , J. M. Alcala' , S. H. P. Alencar , S. A. Balashev , B. Barbuy , N. Bastian , U. Battino , L. Bissell , P. Bristow , A. Calcines , G. Calderone , P. Cambianica , R. Carini , B. Carter , S. Cassisi , B. V. Castilho , G. Cescutti , N. Christlieb , R. Cirami , R. Conzelmann , I. Coretti , R. Cooke , G. Cremonese , K. Cunha , G. Cupani , A. R. da Silva , D. D'Auria , V. De Caprio , A. De Cia , H. Dekker , V. D'Elia , G. De Silva , M. Diaz , P. Di Marcantonio , V. D'Odorico , H. Ernandes , C. Evans , A. Fitzsimmons , M. Franchini , B. Gaensicke , M. Genoni , R. E. Giribaldi , C. Gneiding , A. Grazian , C. J. Hansen , J. Hopgood , J. Kosmalski , F. La Forgia , P. La Penna , M. Landoni , M. Lazzarin , D. Lunney , W. Maciel , W. Marcolino , M. Marconi , A. Migliorini , C. Miller , A. Modigliani , P. Noterdaeme , L. Oggioni , C. Opitom , G. Pariani , B. Pilecki , S. Piranomonte , A. Quirrenbach , E. M. A. Redaelli , C. B. Pereira , S. Randich , S. Rossi , R. Sanchez-Janssen , M. Schoeller , W. Seifert , R. Smiljanic , C. Snodgrass , O. Squalli , I. Stilz , J. Stuermer , A. Trost , E. Vanzella , P. Ventura , O. Verducci , C. Waring , S. Watson , M. Wells , D. Wright , T. Zafar , A. Zanutta , G. Zins

Explosive and radio-selected Transients: Transient Astronomy with SKA and its Precursors

With the high sensitivity and wide-field coverage of the Square Kilometre Array (SKA), large samples of explosive transients are expected to be discovered. Radio wavelengths, especially in commensal survey mode, are particularly well suited…

High Energy Astrophysical Phenomena · Physics 2016-11-23 Poonam Chandra , G. C. Anupama , K. G. Arun , Shabnam Iyyani , Kuntal Misra , D. Narasimha , Alak Ray , L. Resmi , Subhashis Roy , Firoza Sutaria

Nine years of UVIT: assessing sensitivity variation

The Ultra-Violet Imaging Telescope (UVIT) is one of the five payloads onboard the first Indian multiwavelength astronomical observatory, AstroSat, launched by the Indian Space Research Organisation on 28 September 2015. UVIT, designed for…

Instrumentation and Methods for Astrophysics · Physics 2026-01-01 Akanksha Dagore , Prajwel Joseph , S. N. Tandon , Annapurni Subramaniam , S. K. Ghosh , C. S. Stalin

Exploring the Time Domain with the Palomar-QUEST Sky Survey

Exploration of the time variability on the sky over a broad range of flux levels and wavelengths is rapidly becoming a new frontier of astronomical research. We describe here briefly the Palomar-QUEST survey being carried out from the…

Astrophysics · Physics 2007-05-23 A. Mahabal , S. G. Djorgovski , M. J. Graham , R. Williams , B. Granett , M. Bogosavljevic , C. Baltay , D. Rabinowitz , A. Bauer , P. Andrews , N. Morgan , J. Snyder , N. Ellman , S. Duffau , J. Musser , S. Mufson , M. Gebhard , R. Brunner , A. Rengstorf

Observations of Supergiant Fast X-ray Transients with LOFT

Supergiant Fast X-ray transients are a subclass of high mass X-ray binaries displaying a peculiar and still poorly understood extreme variability in the X-ray domain. These sources undergo short sporadic outbursts (LX ~ 10^36 - 10^37…

High Energy Astrophysical Phenomena · Physics 2015-06-12 E. Bozzo , P. Romano , C. Ferrigno , P. Esposito , V. Mangano

UWISH2 -- The UKIRT Widefield Infrared Survey for H2

We present the goals and preliminary results of an unbiased, near-infrared, narrow-band imaging survey of the First Galactic Quadrant (10deg<l<65deg ; -1.3deg<b<+1.3deg). This area includes most of the Giant Molecular Clouds and massive…

Astrophysics of Galaxies · Physics 2015-05-20 D. , Froebrich , C. J. , Davis , G. , Ioannidis , T. M. , Gledhill , M. , Takami , A. , Chrysostomou , J. , Drew , J. , Eislöffel , A. , Gosling , R. , Gredel , J. , Hatchell , K. W. , Hodapp , M. S. N. , Kumar , P. W. , Lucas , H. , Matthews , M. G. , Rawlings , M. D. , Smith , B. , Stecklum , W. P. , Varricatt , H. T. , Lee , P. S. , Teixeira , C. A. , Aspin , T. , Khanzadyan , J. , Karr , H. -J. , Kim , B. -C. , Koo , J. J. , Lee , Y. -H. , Lee , T. Y. , Magakian , T. A. , Movsessian , E. H. , Nikogossian , T. S. , Pyo , T. , Stanke

In-orbit Performance of UVIT and First Results

The performance of the ultraviolet telescope (UVIT) on-board ASTROSAT is reported. The performance in orbit is also compared with estimates made from the calibrations done on the ground. The sensitivity is found to be within ~15% of the…

Instrumentation and Methods for Astrophysics · Physics 2017-06-28 S. N. Tandon , J. B. Hutchings , S. K. Ghosh , A. Subramaniam , G. Koshy , V. Girish , P. U. Kamath , s. Kathiravan , A. Kumar , J. P. Lancelot , P. K. Mahesh , R. Mohan , J. Murthy , S. Nagabhushana , A. K. Pati A , J. Postma , N. Kameswara Rao , K. Sankarasubramanian , P. Sreekumar , S. Sriram , C. S. Stalin , F. Sutaria , Y. H. Sreedhar , I. V. Barve , C. Mondal , S. Sahu

Euclid. II. The VIS Instrument

This paper presents the specification, design, and development of the Visible Camera (VIS) on the ESA Euclid mission. VIS is a large optical-band imager with a field of view of 0.54 deg^2 sampled at 0.1" with an array of 609 Megapixels and…

Instrumentation and Methods for Astrophysics · Physics 2025-04-30 Euclid Collaboration , M. S. Cropper , A. Al-Bahlawan , J. Amiaux , S. Awan , R. Azzollini , K. Benson , M. Berthe , J. Boucher , E. Bozzo , C. Brockley-Blatt , G. P. Candini , C. Cara , R. A. Chaudery , R. E. Cole , P. Danto , J. Denniston , A. M. Di Giorgio , B. Dryer , J. -P. Dubois , J. Endicott , M. Farina , E. Galli , L. Genolet , J. P. D. Gow , P. Guttridge , M. Hailey , D. Hall , C. Harper , H. Hoekstra , A. D. Holland , B. Horeau , D. Hu , R. E. James , A. Khalil , R. King , T. Kitching , R. Kohley , C. Larcheveque , A. Lawrenson , P. Liebing , S. J. Liu , J. Martignac , R. Massey , H. J. McCracken , L. Miller , N. Murray , R. Nakajima , S. -M. Niemi , J. W. Nightingale , S. Paltani , A. Pendem , A. Philippon , C. Plana , P. Pool , S. Pottinger , G. D. Racca , J. Rhodes , A. Rousseau , K. Ruane , M. Salatti , J. -C. Salvignol , A. Sciortino , A. Short , J. Skottfelt , S. J. A. Smit , I. Swindells , M. Szafraniec , P. D. Thomas , W. Thomas , E. Tommasi , S. Tosti , F. Visticot , D. M. Walton , G. Willis , B. Winter , N. Aghanim , B. Altieri , A. Amara , S. Andreon , N. Auricchio , H. Aussel , C. Baccigalupi , M. Baldi , A. Balestra , S. Bardelli , A. Basset , R. Bender , F. Bernardeau , C. Bodendorf , T. Boenke , D. Bonino , E. Branchini , M. Brescia , J. Brinchmann , S. Camera , V. Capobianco , C. Carbone , V. F. Cardone , J. Carretero , R. Casas , S. Casas , F. J. Castander , M. Castellano , G. Castignani , S. Cavuoti , A. Cimatti , C. Colodro-Conde , G. Congedo , C. J. Conselice , L. Conversi , Y. Copin , F. Courbin , H. M. Courtois , M. Crocce , J. -G. Cuby , J. -C. Cuillandre , A. Da Silva , H. Degaudenzi , G. De Lucia , J. Dinis , C. Dolding , M. Douspis , C. A. J. Duncan , X. Dupac , S. Dusini , A. Ealet , M. Fabricius , S. Farrens , S. Ferriol , P. Fosalba , S. Fotopoulou , M. Frailis , E. Franceschi , P. Franzetti , P. -A. Frugier , M. Fumana , S. Galeotta , B. Garilli , K. George , W. Gillard , B. Gillis , C. Giocoli , P. Gómez-Alvarez , B. R. Granett , A. Grazian , F. Grupp , L. Guzzo , S. V. H. Haugan , O. Herent , J. Hoar , M. S. Holliman , W. Holmes , I. Hook , F. Hormuth , A. Hornstrup , P. Hudelot , S. Ilić , K. Jahnke , M. Jhabvala , B. Joachimi , E. Keihänen , S. Kermiche , A. Kiessling , M. Kilbinger , B. Kubik , K. Kuijken , M. Kümmel , M. Kunz , H. Kurki-Suonio , O. Lahav , R. Laureijs , S. Ligori , P. B. Lilje , V. Lindholm , I. Lloro , J. Lorenzo Alvarez , G. Mainetti , D. Maino , E. Maiorano , O. Mansutti , S. Marcin , O. Marggraf , K. Markovic , M. Martinelli , N. Martinet , F. Marulli , D. C. Masters , S. Maurogordato , E. Medinaceli , S. Mei , M. Melchior , Y. Mellier , M. Meneghetti , E. Merlin , G. Meylan , J. J. Mohr , M. Moresco , L. Moscardini , C. Neissner , R. C. Nichol , T. Nutma , C. Padilla , K. Paech , F. Pasian , J. A. Peacock , K. Pedersen , W. J. Percival , V. Pettorino , S. Pires , G. Polenta , M. Poncet , L. A. Popa , L. Pozzetti , F. Raison , R. Rebolo , A. Refregier , A. Renzi , G. Riccio , Hans-Walter Rix , E. Romelli , M. Roncarelli , C. Rosset , E. Rossetti , H. J. A. Rottgering , B. Rusholme , R. Saglia , Z. Sakr , A. G. Sánchez , D. Sapone , M. Sauvage , R. Scaramella , J. A. Schewtschenko , M. Schirmer , P. Schneider , T. Schrabback , A. Secroun , E. Sefusatti , G. Seidel , M. Seiffert , S. Serrano , C. Sirignano , G. Sirri , L. Stanco , J. -L. Starck , J. Steinwagner , P. Tallada-Crespí , D. Tavagnacco , A. N. Taylor , H. I. Teplitz , I. Tereno , R. Toledo-Moreo , F. Torradeflot , I. Tutusaus , E. A. Valentijn , L. Valenziano , T. Vassallo , G. Verdoes Kleijn , A. Veropalumbo , S. Wachter , Y. Wang , J. Weller , G. Zamorani , J. Zoubian , E. Zucca , A. Biviano , M. Bolzonella , A. Boucaud , C. Burigana , M. Calabrese , P. Casenove , D. Di Ferdinando , J. A. Escartin Vigo , G. Fabbian , R. Farinelli , F. Finelli , J. Gracia-Carpio , H. Israel , N. Mauri , H. N. Nguyen-Kim , A. Pezzotta , M. Pöntinen , C. Porciani , V. Scottez , M. Tenti , M. Viel , M. Wiesmann , Y. Akrami , V. Allevato , S. Anselmi , E. Aubourg , M. Ballardini , D. Bertacca , M. Bethermin , A. Blanchard , L. Blot , S. Borgani , A. S. Borlaff , S. Bruton , R. Cabanac , A. Calabro , G. Calderone , G. Canas-Herrera , A. Cappi , C. S. Carvalho , T. Castro , K. C. Chambers , R. Chary , S. Contarini , A. R. Cooray , O. Cordes , M. Costanzi , O. Cucciati , S. Davini , B. De Caro , G. Desprez , A. Díaz-Sánchez , S. Di Domizio , H. Dole , S. Escoffier , A. G. Ferrari , P. G. Ferreira , I. Ferrero , A. Finoguenov , A. Fontana , F. Fornari , L. Gabarra , K. Ganga , J. García-Bellido , V. Gautard , E. Gaztanaga , F. Giacomini , F. Gianotti , G. Gozaliasl , A. Gregorio , A. Hall , W. G. Hartley , H. Hildebrandt , J. Hjorth , M. Huertas-Company , O. Ilbert , A. Jimenez Muñoz , S. Joudaki , J. J. E. Kajava , V. Kansal , D. Karagiannis , C. C. Kirkpatrick , F. Lacasa , J. Le Graet , L. Legrand , G. Libet , A. Loureiro , J. Macias-Perez , M. Magliocchetti , C. Mancini , F. Mannucci , R. Maoli , C. J. A. P. Martins , S. Matthew , L. Maurin , C. J. R. McPartland , R. B. Metcalf , M. Migliaccio , M. Miluzio , P. Monaco , C. Moretti , G. Morgante , S. Nadathur , Nicholas A. Walton , J. Odier , M. Oguri , L. Patrizii , V. Popa , D. Potter , A. Pourtsidou , P. Reimberg , I. Risso , P. -F. Rocci , R. P. Rollins , M. Sahlén , C. Scarlata , J. Schaye , A. Schneider , M. Schultheis , M. Sereno , F. Shankar , G. Sikkema , A. Silvestri , P. Simon , A. Spurio Mancini , J. Stadel , S. A. Stanford , K. Tanidis , C. Tao , N. Tessore , G. Testera , M. Tewes , R. Teyssier , S. Toft , S. Tosi , A. Troja , M. Tucci , C. Valieri , J. Valiviita , D. Vergani , F. Vernizzi , G. Verza , P. Vielzeuf , J. R. Weaver , L. Zalesky , I. A. Zinchenko , M. Archidiacono , F. Atrio-Barandela , T. Bouvard , F. Caro , P. Dimauro , P. -A. Duc , Y. Fang , A. M. N. Ferguson , T. Gasparetto , C. M. Gutierrez , I. Kovačić , S. Kruk , A. M. C. Le Brun , T. I. Liaudat , A. Montoro , A. Mora , C. Murray , L. Pagano , D. Paoletti , E. Sarpa , A. Viitanen , J. Lesgourgues , J. Martín-Fleitas , D. Scott

The Evryscope: the first full-sky gigapixel-scale telescope

Current time-domain wide-field sky surveys generally operate with few-degree-sized fields and take many individual images to cover large sky areas each night. We present the design and project status of the Evryscope ("wide-seer"), which…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 Nicholas M. Law , Octavi Fors , Philip Wulfken , Jeffrey Ratzloff , Dustin Kavanaugh

The Radio Sky at Meter Wavelengths: m-Mode Analysis Imaging with the Owens Valley Long Wavelength Array

A host of new low-frequency radio telescopes seek to measure the 21-cm transition of neutral hydrogen from the early universe. These telescopes have the potential to directly probe star and galaxy formation at redshifts $20 \gtrsim z…

Instrumentation and Methods for Astrophysics · Physics 2018-07-18 Michael W. Eastwood , Marin M. Anderson , Ryan M. Monroe , Gregg Hallinan , Benjamin R. Barsdell , Stephen A. Bourke , M. A. Clark , Steven W. Ellingson , Jayce Dowell , Hugh Garsden , Lincoln J. Greenhill , Jacob M. Hartman , Jonathon Kocz , T. Joseph W. Lazio , Danny C. Price , Frank K. Schinzel , Gregory B. Taylor , Harish K. Vedantham , Yuankun Wang , David P. Woody

Quantitative and dark field ghost imaging with ultraviolet light

Ultraviolet (UV) imaging enables a diverse array of applications, such as material composition analysis, biological fluorescence imaging, and detecting defects in semiconductor manufacturing. However, scientific-grade UV cameras with high…

Optics · Physics 2023-08-03 Jiaqi Song , Baolei Liu , Yao Wang , Chaohao Chen , Xuchen Shan , Xiaolan Zhong , Ling-An Wu , Fan Wang

Standardization in the UV with Astrosat and its issues related to star cluster studies

The Ultra-Violet Imaging Telescope (UVIT) is one of the payloads in Astrosat, the first Indian Space Observatory. The UVIT instrument has two 375 mm telescopes: one for the far-ultraviolet (FUV) channel (1300-1800 A), and the other for the…

Solar and Stellar Astrophysics · Physics 2018-10-09 Priya Shah

The SkyMapper Transient Survey

The SkyMapper 1.3 m telescope at Siding Spring Observatory has now begun regular operations. Alongside the Southern Sky Survey, a comprehensive digital survey of the entire southern sky, SkyMapper will carry out a search for supernovae and…

Instrumentation and Methods for Astrophysics · Physics 2017-07-26 Richard Scalzo , Fang Yuan , Michael J. Childress , Anais Moller , Brian Schmidt , Brad E. Tucker , Bonnie Zhang , Pierre Astier , Marc Betoule , Nicolas Regnault

VTXO - Virtual Telescope for X-Ray Observations

The Virtual Telescope for X-Ray Observations (VTXO) is a conceptual mission under development to demonstrate a new instrument for astronomical observations in the X-ray band using a set of 6U CubeSats. VTXO will use a Phase Fresnel Lens,…

Instrumentation and Methods for Astrophysics · Physics 2018-07-18 Kyle Rankin , Steven Stochaj , Neerav Shah , John Krizmanic , Asal Naseri

Science with a small two-band UV-photometry mission II: Observations of stars and stellar systems

We outline the impact of a small two-band UV-photometry satellite mission on the field of stellar physics, magnetospheres of stars, binaries, stellar clusters, interstellar matter, and exoplanets. On specific examples of different types of…

Solar and Stellar Astrophysics · Physics 2024-02-22 J. Krtička , J. Benáček , J. Budaj , D. Korčáková , A. Pál , M. Piecka , M. Zejda , V. Bakış , M. Brož , Hsiang-Kuang Chang , N. Faltová , R. Gális , D. Jadlovský , J. Janík , J. Kára , J. Kolář , I. Krtičková , J. Kubát , B. Kubátová , P. Kurfürst , M. Labaj , J. Merc , Z. Mikulášek , F. Münz , E. Paunzen , M. Prišegen , T. Ramezani , T. Rievajová , J. Řípa , L. Schmidtobreick , M. Skarka , G. Szász , W. Weiss , M. Zajaček , N. Werner

Near-ultraviolet detections of four dwarf nova candidates in the globular cluster 47 Tucanae

We investigate near-ultraviolet (NUV) variability in the Galactic globular cluster (GC) 47 Tucanae (47 Tuc). This work was undertaken within the GC sub-project of the Transient UV Objects project, a programme which aims to find and study…

High Energy Astrophysical Phenomena · Physics 2020-02-26 David Modiano , Aastha S. Parikh , Rudy Wijnands

Ultraviolet Extinction Sky Survey (UVESS): A mission concept for probing the interstellar medium in the Milky Way and Local Group galaxies

The 2175 {\AA} bump shows considerable variations in its strength, width, and central wavelength when observed along different sightlines in the Milky Way and other galaxies. These variations offer valuable insights into the composition,…

Instrumentation and Methods for Astrophysics · Physics 2024-07-23 Joice Mathew , Andrew Battisti , Israel Vaughn , Shubhangi Jain , Rekhesh Mohan , Jayant Murthy