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Related papers: A next-generation Very Large Array

200 papers

We present simulations of the capabilities of the ngVLA to image at $\sim 0.75$ kpc resolution ($0.085"$), molecular line emission from star forming disk galaxies at high redshift. The results are compared to the current capabilities of…

Astrophysics of Galaxies · Physics 2022-10-26 C. L. Carilli , M. Neeleman

A transformative science case for the proposed next-generation Very Large Array (ngVLA) is resolving the surfaces of nearby stars, both spatially and temporally, enabled by the combination of milliarcsecond-scale resolution and…

Instrumentation and Methods for Astrophysics · Physics 2021-10-06 Catherine G. Petretti , Kazunori Akiyama , Lynn D. Matthews

ALMA has revolutionized our view of protoplanetary disks, revealing structures such as gaps, rings and asymmetries that indicate dust trapping as an important mechanism in the planet formation process. However, the high resolution images…

Earth and Planetary Astrophysics · Physics 2018-10-19 Nienke van der Marel , Brenda Matthews , Ruobing Dong , Tilman Birnstiel , Andrea Isella

We are contructing an interferometric telescope, the Very Small Array, to study the cosmic microwave background on angular scales 0.2--4.5 degrees. The physical layout and electronic design of the telescope are optimised to give maximum…

Astrophysics · Physics 2007-05-23 Michael E. Jones , P. F. Scott

We perform simulations of the capabilities of the next generation Very Large Array to image stellar radio photospheres. For very large (in angle) stars, such as red supergiants within a few hundred parsecs, good imaging fidelity results can…

Solar and Stellar Astrophysics · Physics 2018-10-12 C. L. Carilli , B. Butler , K. Golap , M. T. Carilli , S. M. White

The Atacama Large Millimeter/submillimeter Array (ALMA), and the Jansky Very Large Array (JVLA) have recently begun probing the Universe. Both provide the largest collecting area available at locations on a high dry site, endowing them with…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Alwyn Wootten

The Very Large Array is undergoing a major upgrade that will attain an order of magnitude improvement in continuum sensitivity across 1 to 50 GHz with instantaneous bandwidths up to 8 GHz in both polarizations. The new WIDAR correlator…

Instrumentation and Methods for Astrophysics · Physics 2010-11-04 Sean M. Dougherty , Rick Perley

As the Square Kilometre Array (SKA) approaches operational status, its complex digital architecture introduces new instrumental challenges. To explore relevant observational and data processing strategies, we have upgraded the 21CMA…

Instrumentation and Methods for Astrophysics · Physics 2026-05-07 Jun-Hua Gu , Quan Guo , Liang Dong , Yu-Kai Zhou , Kuan-Jun Li , Yan Huang , Jing-Ying Wang , Wei-Wei Zhu , You-Ling Yue , Rui Cao , Guo-Liang Peng , Xiao-Hui Tao , Li-Hui Jiang , Ya-Jun Wu

In this Chapter we examine the role of the ngVLA to further our understanding of the different manifestations of convective or turbulence-driven stellar activity on red giant and supergiant stars. The combination of high spatial resolution…

Solar and Stellar Astrophysics · Physics 2018-10-23 Graham M. Harper

In light of the recent dazzling discovery of GW170817, we discuss several new scientific opportunities that would emerge in multi-messenger time-domain astrophysics if a facility like the next generation Very Large Array (ngVLA) were to…

Instrumentation and Methods for Astrophysics · Physics 2018-10-18 Alessandra Corsi , Dale A. Frail , Davide Lazzati , Dario Carbone , Eric J. Murphy , Benjamin J. Owen , David J. Sand , Richard O'Shaughnessy

The Square Kilometre Array (SKA) is a proposed next generation radio telescope. Between now and 2005 this project is in a technology development and prototyping phase, with construction likely to begin in $\sim 2010$. This paper describes…

Astrophysics · Physics 2007-05-23 J. F. Bell

Radio observations have resulted in some of the most fundamental and exciting discoveries in time-domain astronomy. Here I demonstrate the potential for the Next Generation Very Large Array (ngVLA) to localize prompt centimeter-wavelength…

High Energy Astrophysical Phenomena · Physics 2018-06-25 Vikram Ravi

The observational validation of General Relativity (GR) has been propelled in recent years by recent breakthroughs in Very Long Baseline Interferometry (VLBI) augmented by ALMA. We explore ALMA2040 opportunities to transform these studies…

The Long Wavelength Array (LWA) will be a new multi-purpose radio telescope operating in the frequency range 10-88 MHz. Upon completion, LWA will consist of 53 phased array "stations" distributed over a region about 400 km in diameter in…

Instrumentation and Methods for Astrophysics · Physics 2010-09-06 Patricia Henning , Steven W. Ellingson , Gregory B. Taylor , Joseph Craig , Ylva Pihlström , Lee J Rickard , Tracy E. Clarke , Namir E. Kassim , Aaron Cohen

We present a technique-led review of the progression of precise radio astrometry, from the first demonstrations, half a century ago, until to date and into the future. We cover the developments that have been fundamental to allow high…

Instrumentation and Methods for Astrophysics · Physics 2020-10-06 María Rioja , Richard Dodson

We perform simulations of the capabilities of the next generation Very Large Array in the context of imaging low order CO emission from typical high redshift star forming galaxies at ~ 1 kpc resolution. We adopt as a spatial and dynamical…

Astrophysics of Galaxies · Physics 2018-10-12 C. L. Carilli , Y. Shao

Over the last 15 years, the Atacama Large Millimeter/submillimeter Array (ALMA) has revolutionized astrophysics by providing unprecedented resolution and sensitivity in observing the cold universe, including the formation of stars, planets,…

The Very Small Array (VSA) is a fourteen-element interferometer designed to study the cosmic microwave background on angular scales of 2.4 to 0.2 degrees (angular multipoles l = 150 to 1800). It operates at frequencies between 26 and 36…

Astrophysics · Physics 2010-12-13 Angela C. Taylor

The Andromeda galaxy (M\,31) hosts one of the nearest and most quiescent super-massive black holes, which provides a rare, but promising opportunity for studying the physics of black hole accretion at the lowest state. We have conducted a…

Astrophysics of Galaxies · Physics 2017-08-30 Yang Yang , Zhiyuan Li , Loránt O. Sjouwerman , Feng Yuan , Zhi-Qiang Shen