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EMISSA: Exploring millimetre indicators of solar-stellar activity III. Comparison of Ca II indices and millimetre continua in a 3D model atmosphere

The Ca II H & K lines are strong chromospheric diagnostics that can be used to determine the temperature stratification and magnetic structure of the solar atmosphere. The Atacama Large Millimetre/Submillimetre Array (ALMA) offers…

Solar and Stellar Astrophysics · Physics 2024-05-09 Sneha Pandit , Sven Wedemeyer , Mats Carlsson

The promise of interferometry in the mm range: ALMA

The Atacama Large Millimeter Array (ALMA), a world-wide project (64x12m-dishes operating from 84 to 720 GHz, to be completed by 2011) will represent a jump of almost two orders of magnitude in sensitivity and angular resolution as compared…

Astrophysics · Physics 2007-05-23 Alain Omont

Imaging SKA-Scale data in three different computing environments

We present the results of our investigations into options for the computing platform for the imaging pipeline in the CHILES project, an ultra-deep HI pathfinder for the era of the Square Kilometre Array. CHILES pushes the current computing…

Instrumentation and Methods for Astrophysics · Physics 2015-11-03 Richard Dodson , Kevin Vinsen , Chen Wu , Attila Popping , Martin Meyer , Andreas Wicenec , Peter Quinn , Jacqueline van Gorkom , Emmanuel Momjian

An update on the development of ASPIRED

We are reporting the updates in version 0.2.0 of the Automated SpectroPhotometric REDuction (ASPIRED) pipeline, designed for common use on different instruments. The default settings support many typical long-slit spectrometer…

Instrumentation and Methods for Astrophysics · Physics 2020-12-08 Marco C Lam , Robert J Smith , Josh Veitch-Michaelis , Iain A Steele , Paul R McWhirter

Understanding hydrogen recombination line observations with ALMA and EVLA

Hydrogen recombination lines are one of the major diagnostics of H II region physical properties and kinematics. In the near future, the Expanded Very Large Array (EVLA) and the Atacama Large Millimeter Array (ALMA) will allow observers to…

Astrophysics of Galaxies · Physics 2012-09-04 Thomas Peters , Steven N. Longmore , Cornelis P. Dullemond

The CASA software for radio astronomy: status update from ADASS 2019

CASA, the Common Astronomy Software Applications package, is the primary data processing software for the Atacama Large Millimeter/submillimeter Array (ALMA) and NSF's Karl G. Jansky Very Large Array (VLA), and is frequently used also for…

Instrumentation and Methods for Astrophysics · Physics 2019-12-20 B. Emonts , R. Raba , G. Moellenbrock , S. Castro , C. E. Garcia-Dabo , J. Donovan Meyer , P. Ford , R. Garwood , K. Golap , J. Gonzalez , W. Kawasaki , A. McNichols , D. Mehringer , R. Miel , F. Montesino Pouzols , T. Nakazato , S. Nishie , J. Ott , D. Petry , U. Rau , C. Reynolds , D. Schiebel , N. Schweighart , J. -W. Steeb , V. Suoranta , T. Tsutsumi , A. Wells , S. Bhatnagar , P. Jagannathan , Joe Masters , K. -S. Wang

Testing the ACA Phase Correction Scheme using the SMA

We conducted the observational tests of a phase correction scheme for the Atacama Compact Array (ACA) of the Atacama Large Millimeter and submillimeter Array (ALMA) using the Submillimeter Array (SMA). Interferometers at millimeter- and…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Satoki Matsushita , Yu-Lin Chen

CHARA/Silmaril Instrument Software and Data Reduction Pipeline: Characterization of the Instrument in the Lab and On-Sky

The newly installed Silmaril beam combiner at the CHARA array is designed to observe previously inaccessible faint targets, including Active Galactic Nuclei and T-Tauri Young Stellar Objects. Silmaril leverages cutting-edge optical design,…

Instrumentation and Methods for Astrophysics · Physics 2024-06-27 Narsireddy Anugu , Theo A. ten brummelaar , Cyprien Lanthermann , Peter G. Tuthill , Edgar R. Ligon , Gail H. Schaefer , Douglas R. Gies , Grace Piroscia , Adam Taras , Gerard T. van Belle , Makoto Kishimoto , Marc-Antoine Martinod

Data Reduction with the MIKE Spectrometer

This manuscript describes the design, usage, and data-reduction pipeline developed for the Magellan Inamori Kyocera Echelle (MIKE) spectrometer used with the Magellan telescope at the Las Campanas Observatory. We summarize the basic…

Instrumentation and Methods for Astrophysics · Physics 2015-10-14 Rebecca A. Bernstein , Scott M. Burles , J. Xavier Prochaska

Phase correction for ALMA - Investigating water vapour radiometer scaling:The long-baseline science verification data case study

The Atacama Large millimetre/submillimetre Array (ALMA) makes use of water vapour radiometers (WVR), which monitor the atmospheric water vapour line at 183 GHz along the line of sight above each antenna to correct for phase delays…

Instrumentation and Methods for Astrophysics · Physics 2017-09-20 L. T. Maud , R. P. J. Tilanus , T. A. van Kempen , M. R. Hogerheijde , M. Schmalzl , I. Yoon , Y. Contreras , M. C. Toribio , Y. Asaki , W. R. F. Dent , E. Fomalont , S. Matsushita

Propagation of transverse waves in the solar chromosphere probed at different heights with ALMA sub-bands

The Atacama Large Millimeter/sub-millimeter Array (ALMA) has provided us with an excellent diagnostic tool for studies of the dynamics of the Solar chromosphere, albeit through a single receiver band at one time presently. Each ALMA band…

Solar and Stellar Astrophysics · Physics 2022-09-14 Juan Camilo Guevara Gómez , Shahin Jafarzadeh , Sven Wedemeyer , Mikolaj Szydlarski

Resolving the Interstellar Medium at the Peak of Cosmic Star Formation

The interstellar medium feeds both the formation of stars and the growth of black holes, making it a key ingredient in the evolution of galaxies. With the advent of the Atacama Large Millimeter/ submillimeter Array (ALMA), we can now probe…

Astrophysics of Galaxies · Physics 2025-05-26 Gabriela Calistro-Rivera , Jacqueline Hodge

The Additional Representative Images for Legacy (ARI-L) project for the ALMA Science Archive

The Additional Representative Images for Legacy (ARI-L) project is a European Development project for ALMA Upgrade approved by the Joint ALMA Observatory (JAO) and the European Southern Observatory (ESO), started in June 2019. It aims to…

Instrumentation and Methods for Astrophysics · Physics 2021-08-25 M. Massardi , F. Stoehr , G. J. Bendo , M. Bonato , J. Brand , V. Galluzzi , F. Guglielmetti , E. Liuzzo , N. Marchili , A. M. S. Richards , K. L. J. Rygl , F. Bedosti , A. Giannetti , M. Stagni , C. Knapic , M. Sponza , G. A. Fuller , T. W. B. Muxlow

Observing the Sun with the Atacama Large Millimeter-submillimeter Array (ALMA): Fast-Scan Single-Dish Mapping

The Atacama Large Millimeter-submillimeter Array (ALMA) radio telescope has commenced science observations of the Sun starting in late 2016. Since the Sun is much larger than the field of view of individual ALMA dishes, the ALMA…

Solar and Stellar Astrophysics · Physics 2017-06-28 S. M. White , K. Iwai , N. M. Phillips , R. E. Hills , A. Hirota , P. Yagoubov , G. Siringo , M. Shimojo , T. S. Bastian , A. S. Hales , T. Sawada , S. Asayama , M. Sugimoto , R. G. Marson , W. Kawasaki , E. Muller , T. Nakazato , K. Sugimoto , R. Brajsa , I. Skokic , M. Barta , S. Kim , A. Remijan , I. de Gregorio , S. A. Corder , H. S. Hudson , M. Loukitcheva , B. Chen , B. De Pontieu , G. D. Fleishmann , D. E. Gary , A. Kobelski , S. Wedemeyer , Y. Yan

An Overview of the 2014 ALMA Long Baseline Campaign

A major goal of the Atacama Large Millimeter/submillimeter Array (ALMA) is to make accurate images with resolutions of tens of milliarcseconds, which at submillimeter (submm) wavelengths requires baselines up to ~15 km. To develop and test…

Instrumentation and Methods for Astrophysics · Physics 2016-09-30 ALMA Partnership , E. B. Fomalont , C. Vlahakis , S. Corder , A. Remijan , D. Barkats , R. Lucas , T. R. Hunter , C. L. Brogan , Y. Asaki , S. Matsushita , W. R. F. Dent , R. E. Hills , N. Phillips , A. M. S. Richards , P. Cox , R. Amestica , D. Broguiere , W. Cotton , A. S. Hales , R. Hiriart , A. Hirota , J. A. Hodge , C. M. V. Impellizzeri , J. Kern , R. Kneissl , E. Liuzzo , N. Marcelino , R. Marson , A. Mignano , K. Nakanishi , B. Nikolic , J. E. Perez , L. M. Pérez , I. Toledo , R. Aladro , B. Butler , J. Cortes , P. Cortes , V. Dhawan , J. Di Francesco , D. Espada , F. Galarza , D. Garcia-Appadoo , L. Guzman-Ramirez , E. M. Humphreys , T. Jung , S. Kameno , R. A. Laing , S. Leon , J. Mangum , G. Marconi , H. Nagai , L. -A. Nyman , M. Radiszcz , J. A. Rodón , T. Sawada , S. Takahashi , R. P. J. Tilanus , T. van Kempen , B. Vila Vilaro , L. C. Watson , T. Wiklind , F. Gueth , K. Tatematsu , A. Wootten , A. Castro-Carrizo , E. Chapillon , G. Dumas , I. de Gregorio-Monsalvo , H. Francke , J. Gallardo , J. Garcia , S. Gonzalez , J. E. Hibbard , T. Hill , T. Kaminski , A. Karim , M. Krips , Y. Kurono , C. Lopez , S. Martin , L. Maud , F. Morales , V. Pietu , K. Plarre , G. Schieven , L. Testi , L. Videla , E. Villard , N. Whyborn , M. A. Zwaan , F. Alves , P. Andreani , A. Avison , M. Barta , F. Bedosti , G. J. Bendo , F. Bertoldi , M. Bethermin , A. Biggs , J. Boissier , J. Brand , S. Burkutean , V. Casasola , J. Conway , L. Cortese , B. Dabrowski , T. A. Davis , M. Diaz Trigo , F. Fontani , R. Franco-Hernandez , G. Fuller , R. Galvan Madrid , A. Giannetti , A. Ginsburg , S. F. Graves , E. Hatziminaoglou , M. Hogerheijde , P. Jachym , I. Jimenez Serra , M. Karlicky , P. Klaasen , M. Kraus , D. Kunneriath , C. Lagos , S. Longmore , S. Leurini , M. Maercker , B. Magnelli , I. Marti Vidal , M. Massardi , A. Maury , S. Muehle , S. Muller , T. Muxlow , E. O'Gorman , R. Paladino , D. Petry , J. Pineda , S. Randall , J. S. Richer , A. Rossetti , A. Rushton , K. Rygl , A. Sanchez Monge , R. Schaaf , P. Schilke , T. Stanke , M. Schmalzl , F. Stoehr , S. Urban , E. van Kampen , W. Vlemmings , K. Wang , W. Wild , Y. Yang , S. Iguchi , T. Hasegawa , M. Saito , J. Inatani , N. Mizuno , S. Asayama , G. Kosugi , K. -I. Morita , K. Chiba , S. Kawashima , S. K. Okumura , N. Ohashi , R. Ogasawara , S. Sakamoto , T. Noguchi , Y. -D. Huang , S. -Y. Liu , F. Kemper , P. M. Koch , M. -T. Chen , Y. Chikada , M. Hiramatsu , D. Iono , M. Shimojo , S. Komugi , J. Kim , A. -R. Lyo , E. Muller , C. Herrera , R. E. Miura , J. Ueda , J. Chibueze , Y. -N. Su , A. Trejo-Cruz , K. -S. Wang , H. Kiuchi , N. Ukita , M. Sugimoto , R. Kawabe , M. Hayashi , S. Miyama , P. T. P. Ho , N. Kaifu , M. Ishiguro , A. J. Beasley , S. Bhatnagar , J. A. Braatz , D. G. Brisbin , N. Brunetti , C. Carilli , J. H. Crossley , L. D'Addario , J. L. Donovan Meyer , D. T. Emerson , A. S. Evans , P. Fisher , K. Golap , D. M. Griffith , A. E. Hale , D. Halstead , E. J. Hardy , M. C. Hatz , M. Holdaway , R. Indebetouw , P. R. Jewell , A. A. Kepley , D. -C. Kim , M. D. Lacy , A. K. Leroy , H. S. Liszt , C. J. Lonsdale , B. Matthews , M. McKinnon , B. S. Mason , G. Moellenbrock , A. Moullet , S. T. Myers , J. Ott , A. B. Peck , J. Pisano , S. J. E. Radford , W. T. Randolph , U. Rao Venkata , M. G. Rawlings , R. Rosen , S. L. Schnee , K. S. Scott , N. K. Sharp , K. Sheth , R. S. Simon , T. Tsutsumi , S. J. Wood

ALMA High-frequency Long-baseline Campaign in 2017: A Comparison of the Band-to-band and In-band Phase Calibration Techniques and Phase-calibrator Separation Angles

The Atacama Large millimeter/submillimeter Array (ALMA) obtains spatial resolutions of 15 to 5 milli-arcsecond (mas) at 275-950GHz (0.87-0.32mm) with 16km baselines. Calibration at higher-frequencies is challenging as ALMA sensitivity and…

Instrumentation and Methods for Astrophysics · Physics 2020-09-15 Luke T. Maud , Yoshiharu Asaki , Edward B. Fomalont , William R. F. Dent , Akihiko Hirota , Satoki Matsushita , Neil M. Phillips , John M. Carpenter , Satoko Takahashi , Eric Villard , Tsuyoshi Sawada , Stuartt Corder

An overall view of temperature oscillations in the solar chromosphere with ALMA

By direct measurements of the gas temperature, the Atacama Large Millimeter/sub-millimeter Array (ALMA) has yielded a new diagnostic tool to study the solar chromosphere. Here we present an overview of the brightness-temperature…

Solar and Stellar Astrophysics · Physics 2020-12-24 Shahin Jafarzadeh , Sven Wedemeyer , Bernhard Fleck , Marco Stangalini , David B. Jess , Richard J. Morton , Mikolaj Szydlarski , Vasco M. J. Henriques , Xiaoshuai Zhu , Thomas Wiegelmann , Juan C. Guevara Gómez , Samuel D. T. Grant , Bin Chen , Kevin Reardon , Stephen M. White

ALMA Observations of the Sun in Cycle 4 and Beyond

This document was created by the Solar Simulations for the Atacama Large Millimeter Observatory Network (SSALMON) in preparation of the first regular observations of the Sun with the Atacama Large Millimeter/submillimeter Array (ALMA),…

Solar and Stellar Astrophysics · Physics 2016-04-12 S. Wedemeyer , B. Fleck , M. Battaglia , N. Labrosse , G. Fleishman , H. Hudson , P. Antolin , C. Alissandrakis , T. Ayres , J. Ballester , T. Bastian , J. Black , A. Benz , R. Brajsa , M. Carlsson , J. Costa , B. DePontieu , G. Doyle , G. Gimenez de Castro , S. Gunár , G. Harper , S. Jafarzadeh , M. Loukitcheva , V. Nakariakov , R. Oliver , B. Schmieder , C. Selhorst , M. Shimojo , P. Simões , R. Soler , M. Temmer , S. Tiwari , T. Van Doorsselaere , A. Veronig , S. White , P. Yagoubov , T. Zaqarashvili

Data Reduction and Analysis Graphical Organizer

Spectroscopic surveys are undergoing a rapid expansion in their data collecting capabilities, reaching the level of hundreds of spectra per pointing. An efficient use of such huge amounts of information requires a high degree of…

Astrophysics · Physics 2023-02-22 L. Paioro , B. M. Garilli , M. Scodeggio , P. Franzetti

The Millimeter Astronomy Legacy Team 90 GHz Survey (MALT90) and ALMA

ALMA will revolutionize our understanding of star formation within our galaxy, but before we can use ALMA we need to know where to look. The Millimeter Astronomy Legacy Team 90 GHz (MALT90) Survey is a large international project to map the…

Astrophysics of Galaxies · Physics 2013-03-14 Jonathan B. Foster , Jill M. Rathborne , James M. Jackson , Steve N. Longmore , Scott Whitaker , Sadia Hoq