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The Mid-infrared ELT Imager and Spectrograph (METIS) is a first-generation instrument for the Extremely Large Telescope (ELT), Europe's next-generation 39 m ground-based telescope for optical and infrared wavelengths. METIS will offer…

We have mapped the total sky brightness at 1465 MHz in two adjacent 60-degree declination bands with the portable 5.5-m parabolic reflector of the Galactic Emission Mapping (GEM) project, an on-going international collaboration to survey…

Astrophysics · Physics 2007-05-23 C. Tello , T. Villela , G. F. Smoot , S. Torres , M. Bersanelli

A Square Kilometer Array radio telescope will detect tens of thousands of galaxies per square degree in the 21cm emission line of neutral hydrogen. The telescope will be sensitive to ordinary galaxy populations at redshifts z>3 when the…

Astrophysics · Physics 2016-08-30 F. H. Briggs

I present the various capabilities of upgraded and next generation radio telescopes, in particular their ability to detect and image distant star forming galaxies. I demonstrate that e-MERLIN, EVLA and LOFAR can detect systems similar to…

Astrophysics · Physics 2007-05-23 M. A. Garrett

This report describes the methodology and results of an assessment study of the performance of the Large Synoptic Survey Telescope (LSST) in its planned efforts to detect and catalog near-Earth objects (NEOs). The baseline LSST survey…

Earth and Planetary Astrophysics · Physics 2017-05-18 Steven R. Chesley , Peter Veres

In this work we present updated forecasts on parameterised modifications of gravity that can capture deviations of the behaviour of cosmological density perturbations beyond $\Lambda$CDM. For these forecasts we adopt the SKA Observatory…

Cosmology and Nongalactic Astrophysics · Physics 2022-10-13 Santiago Casas , Isabella P. Carucci , Valeria Pettorino , Stefano Camera , Matteo Martinelli

High resolution (~1 arcminute) astronomical imaging at low frequency (below 150 MHz) has only recently become practical with the development of new calibration algorithms for removing ionospheric distortions. In addition to opening a new…

Instrumentation and Methods for Astrophysics · Physics 2015-05-13 A. S. Cohen , H. J. A. Röttgering

We present the SARAO MeerKAT Galactic Plane Survey (SMGPS), a 1.3 GHz continuum survey of almost half of the Galactic Plane (251\deg $\le l \le$ 358\deg and 2\deg $\le l \le$ 61\deg at $|b| \le 1.5\deg $). SMGPS is the largest, most…

Astrophysics of Galaxies · Physics 2024-05-03 S. Goedhart , W. D. Cotton , F. Camilo , M. A. Thompson , G. Umana , M. Bietenholz , P. A. Woudt , L. D. Anderson , C. Bordiu , D. A. H. Buckley , C. S. Buemi , F. Bufano , F. Cavallaro , H. Chen , J. O. Chibueze , D. Egbo , B. S. Frank , M. G. Hoare , A. Ingallinera , T. Irabor , R. C. Kraan-Korteweg , S. Kurapati , P. Leto , S. Loru , M. Mutale , W. O. Obonyo , A. Plavin , S. H. A. Rajohnson , A. Rigby , S. Riggi , M. Seidu , P. Serra , B. M. Smart , B. W. Stappers , N. Steyn , M. Surnis , C. Trigilio , G. M. Williams , T. D. Abbott , R. M. Adam , K. M. B. Asad , T. Baloyi , E. F. Bauermeister , T. G. H. Bennet , H. Bester , A. G. Botha , L. R. S. Brederode , S. Buchner , J. P. Burger , T. Cheetham , K. Cloete , M. S. de Villiers , D. I. L. de Villiers , L. J. du Toit , S. W. P. Esterhuyse , B. L. Fanaroff , D. J. Fourie , R. R. G. Gamatham , T. G. Gatsi , M. Geyer , M. Gouws , S. C. Gumede , I. Heywood , A. Hokwana , S. W. Hoosen , D. M. Horn , L. M. G. Horrell , B. V. Hugo , A. I. Isaacson , G. I. G. Józsa , J. L. Jonas , J. D. B. L. Jordaan , A. F. Joubert , R. P. M. Julie , F. B. Kapp , N. Kriek , H. Kriel , V. K. Krishnan , T. W. Kusel , L. S. Legodi , R. Lehmensiek , R. T. Lord , P. S. Macfarlane , L. G. Magnus , C. Magozore , J. P. L. Main , J. A. Malan , J. R. Manley , S. J. Marais , M. D. J. Maree , A. Martens , P. Maruping , K. McAlpine , B. C. Merry , M. Mgodeli , R. P. Millenaar , O. J. Mokone , T. E. Monama , W. S. New , B. Ngcebetsha , K. J. Ngoasheng , G. D. Nicolson , M. T. Ockards , N. Oozeer , S. S. Passmoor , A. A. Patel , A. Peens-Hough , S. J. Perkins , A. J. T. Ramaila , S. M. Ratcliffe , R. Renil , L. L. Richter , S. Salie , N. Sambu , C. T. G. Schollar , L. C. Schwardt , R. L. Schwartz , M. Serylak , R. Siebrits , S. K. Sirothia , M. J. Slabber , O. M. Smirnov , A. J. Tiplady , T. J. van Balla , A. van der Byl , V. Van Tonder , A. J. Venter , M. Venter , M. G. Welz , L. P. Williams

A survey that can cover the sky in optical bands over wide fields to faint magnitudes with a fast cadence will enable many of the exciting science opportunities of the next decade. The Large Synoptic Survey Telescope (LSST) will have an…

Instrumentation and Methods for Astrophysics · Physics 2012-08-27 LSST Science Collaboration , Paul A. Abell , Julius Allison , Scott F. Anderson , John R. Andrew , J. Roger P. Angel , Lee Armus , David Arnett , S. J. Asztalos , Tim S. Axelrod , Stephen Bailey , D. R. Ballantyne , Justin R. Bankert , Wayne A. Barkhouse , Jeffrey D. Barr , L. Felipe Barrientos , Aaron J. Barth , James G. Bartlett , Andrew C. Becker , Jacek Becla , Timothy C. Beers , Joseph P. Bernstein , Rahul Biswas , Michael R. Blanton , Joshua S. Bloom , John J. Bochanski , Pat Boeshaar , Kirk D. Borne , Marusa Bradac , W. N. Brandt , Carrie R. Bridge , Michael E. Brown , Robert J. Brunner , James S. Bullock , Adam J. Burgasser , James H. Burge , David L. Burke , Phillip A. Cargile , Srinivasan Chandrasekharan , George Chartas , Steven R. Chesley , You-Hua Chu , David Cinabro , Mark W. Claire , Charles F. Claver , Douglas Clowe , A. J. Connolly , Kem H. Cook , Jeff Cooke , Asantha Cooray , Kevin R. Covey , Christopher S. Culliton , Roelof de Jong , Willem H. de Vries , Victor P. Debattista , Francisco Delgado , Ian P. Dell'Antonio , Saurav Dhital , Rosanne Di Stefano , Mark Dickinson , Benjamin Dilday , S. G. Djorgovski , Gregory Dobler , Ciro Donalek , Gregory Dubois-Felsmann , Josef Durech , Ardis Eliasdottir , Michael Eracleous , Laurent Eyer , Emilio E. Falco , Xiaohui Fan , Christopher D. Fassnacht , Harry C. Ferguson , Yanga R. Fernandez , Brian D. Fields , Douglas Finkbeiner , Eduardo E. Figueroa , Derek B. Fox , Harold Francke , James S. Frank , Josh Frieman , Sebastien Fromenteau , Muhammad Furqan , Gaspar Galaz , A. Gal-Yam , Peter Garnavich , Eric Gawiser , John Geary , Perry Gee , Robert R. Gibson , Kirk Gilmore , Emily A. Grace , Richard F. Green , William J. Gressler , Carl J. Grillmair , Salman Habib , J. S. Haggerty , Mario Hamuy , Alan W. Harris , Suzanne L. Hawley , Alan F. Heavens , Leslie Hebb , Todd J. Henry , Edward Hileman , Eric J. Hilton , Keri Hoadley , J. B. Holberg , Matt J. Holman , Steve B. Howell , Leopoldo Infante , Zeljko Ivezic , Suzanne H. Jacoby , Bhuvnesh Jain , R , Jedicke , M. James Jee , J. Garrett Jernigan , Saurabh W. Jha , Kathryn V. Johnston , R. Lynne Jones , Mario Juric , Mikko Kaasalainen , Styliani , Kafka , Steven M. Kahn , Nathan A. Kaib , Jason Kalirai , Jeff Kantor , Mansi M. Kasliwal , Charles R. Keeton , Richard Kessler , Zoran Knezevic , Adam Kowalski , Victor L. Krabbendam , K. Simon Krughoff , Shrinivas Kulkarni , Stephen Kuhlman , Mark Lacy , Sebastien Lepine , Ming Liang , Amy Lien , Paulina Lira , Knox S. Long , Suzanne Lorenz , Jennifer M. Lotz , R. H. Lupton , Julie Lutz , Lucas M. Macri , Ashish A. Mahabal , Rachel Mandelbaum , Phil Marshall , Morgan May , Peregrine M. McGehee , Brian T. Meadows , Alan Meert , Andrea Milani , Christopher J. Miller , Michelle Miller , David Mills , Dante Minniti , David Monet , Anjum S. Mukadam , Ehud Nakar , Douglas R. Neill , Jeffrey A. Newman , Sergei Nikolaev , Martin Nordby , Paul O'Connor , Masamune Oguri , John Oliver , Scot S. Olivier , Julia K. Olsen , Knut Olsen , Edward W. Olszewski , Hakeem Oluseyi , Nelson D. Padilla , Alex Parker , Joshua Pepper , John R. Peterson , Catherine Petry , Philip A. Pinto , James L. Pizagno , Bogdan Popescu , Andrej Prsa , Veljko Radcka , M. Jordan Raddick , Andrew Rasmussen , Arne Rau , Jeonghee Rho , James E. Rhoads , Gordon T. Richards , Stephen T. Ridgway , Brant E. Robertson , Rok Roskar , Abhijit Saha , Ata Sarajedini , Evan Scannapieco , Terry Schalk , Rafe Schindler , Samuel Schmidt , Sarah Schmidt , Donald P. Schneider , German Schumacher , Ryan Scranton , Jacques Sebag , Lynn G. Seppala , Ohad Shemmer , Joshua D. Simon , M. Sivertz , Howard A. Smith , J. Allyn Smith , Nathan Smith , Anna H. Spitz , Adam Stanford , Keivan G. Stassun , Jay Strader , Michael A. Strauss , Christopher W. Stubbs , Donald W. Sweeney , Alex Szalay , Paula Szkody , Masahiro Takada , Paul Thorman , David E. Trilling , Virginia Trimble , Anthony Tyson , Richard Van Berg , Daniel Vanden Berk , Jake VanderPlas , Licia Verde , Bojan Vrsnak , Lucianne M. Walkowicz , Benjamin D. Wandelt , Sheng Wang , Yun Wang , Michael Warner , Risa H. Wechsler , Andrew A. West , Oliver Wiecha , Benjamin F. Williams , Beth Willman , David Wittman , Sidney C. Wolff , W. Michael Wood-Vasey , Przemek Wozniak , Patrick Young , Andrew Zentner , Hu Zhan

The European Solar Telescope (EST) is a project of a new-generation solar telescope. It has a large aperture of 4~m, which is necessary for achieving high spatial and temporal resolution. The high polarimetric sensitivity of the EST will…

Instrumentation and Methods for Astrophysics · Physics 2018-11-05 Jan Jurcak , Manuel Collados , Jorrit Leenaarts , Michiel van Noort , Rolf Schlichenmaier

Magnetic hot stars can emit both coherent and incoherent non-thermal radio emission. Understanding the nature of these emissions and their connection to stellar rotation and magnetic field characteristics remains incomplete. The RAdio…

Solar and Stellar Astrophysics · Physics 2025-02-26 Z. Keszthelyi , K. Kurahara , Y. Iwata , Y. Fujii , H. Sakemi , K. Takahashi , S. Yoshiura

The Square Kilometre Array Observatory (SKAO) will explore the radio sky to new depths in order to conduct transformational science. SKAO data products made available to astronomers will be correspondingly large and complex, requiring the…

In the last few years, new Adaptive Optics [AO] techniques have emerged to answer new astronomical challenges: Ground-Layer AO [GLAO] and Multi-Conjugate AO [MCAO] to access a wider Field of View [FoV], Multi-Object AO [MOAO] for the…

Astrophysics · Physics 2009-11-11 B. Neichel , J-M. Conan , T. Fusco , E. Gendron , M. Puech , G. Rousset , F. Hammer

The STEREO/WAVES (SWAVES) experiment on board the two STEREO spacecraft (Solar Terrestrial Relations Observatory) launched on 25 October 2006 is dedicated to the measurement of the radio spectrum at frequencies between a few kilohertz and…

Instrumentation and Methods for Astrophysics · Physics 2015-08-27 M. Panchenko , W. Macher , H. O. Rucker , G. Fischer , T. H. Oswald , B. Cecconi , M. Maksimovic

The digital revolution is transforming astronomy from a data-starved to a data-submerged science. Instruments such as the Atacama Large Millimeter Array (ALMA), the Large Synoptic Survey Telescope (LSST), and the Square Kilometer Array…

Instrumentation and Methods for Astrophysics · Physics 2012-09-25 Melvyn Wright

[Abridged] The Sardinia Radio Telescope (SRT) is the new 64-m dish operated by INAF (Italy). Its active surface will allow us to observe at frequencies of up to 116 GHz. At the moment, three receivers, one per focal position, have been…

M-dwarf flare stars like AD Leo are laboratories for studying intense magnetic activities. The coherent radio bursts they produce are powerful probes of stellar coronal plasma and magnetic fields. In this study, we present high-resolution…

Solar and Stellar Astrophysics · Physics 2026-04-02 Wenjie Zou , Hui Tian , Jiale Zhang , Yuhang Gao

Stereoscopic spectral imaging is an observing technique that affords rapid acquisition of limited spectral information over an entire image plane simultaneously. Light from a telescope is dispersed into multiple spectral orders, which are…

Astrophysics · Physics 2007-05-23 Craig E. DeForest , Charles C. Kankelborg

The High Resolution Camera (HRCam) speckle imager at the 4.1 m Southern Astrophysical Research telescope is a highly productive instrument that has accumulated about 40K observations to date. Its performance (detected flux, level of the…

Instrumentation and Methods for Astrophysics · Physics 2024-08-23 Andrei Tokovinin