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Debris discs reveal the architectures and dynamical histories of planetary systems. Sub-millimetre observations trace large dust grains within debris discs, revealing their bulk properties. Debris discs have so far only been detected around…

The Advanced Technology Large Aperture Space Telescope (ATLAST) is a set of mission concepts for the next generation UV-Optical-Near Infrared space telescope with an aperture size of 8 to 16 meters. ATLAST, using an internal coronagraph or…

Earth and Planetary Astrophysics · Physics 2009-11-20 M. Postman , W. Traub , J. Krist , K. Stapelfeldt , R. Brown , W. Oegerle , A. Lo , M. Clampin , R. Soummer , J. Wiseman , M. Mountain

The Atacama Large Aperture Submillimeter Telescope (AtLAST) aims to be the premier next generation large diameter (50-meter) single dish observatory capable of observations across the millimeter/sub-millimeter spectrum, from 30 to 950~GHz.…

The Atacama Large Millimetre/Sub-millimetre Array (ALMA) is obtaining the deepest observations of early galaxies ever achieved at (sub-)millimetre wavelengths, and detecting the dust emission of young galaxies in the first billion years of…

Astrophysics of Galaxies · Physics 2023-06-28 Elisabete da Cunha

Strong gravitational lensing is a powerful probe of cosmology, dark matter (DM), and high-redshift galaxy evolution, but current samples of strongly lensed galaxies (SLGs) remain far too small to exploit its full potential.…

We present Atacama Large Millimeter/Submillimeter Array (ALMA) continuum observations of a sample of nine star-forming galaxies at redshifts 1.47 and 2.23 selected from the High-$z$ Emission Line Survey (HiZELS). Four galaxies in our sample…

The advent of the Atacama Large Millimeter/submillimeter Array (ALMA) has enabled a new era for studies of the formation and assembly of distant galaxies. Cosmological deep field surveys with ALMA and other interferometers have flourished…

Astrophysics of Galaxies · Physics 2020-06-10 Manuel Aravena

We report on a plan to construct a 50-m-class single-dish telescope, the Large Submillimeter Telescope (LST). The conceptual design and key science behind the LST are presented, together with its tentative specifications. This telescope is…

Instrumentation and Methods for Astrophysics · Physics 2018-02-07 Ryohei Kawabe , Kotaro Kohno , Yoichi Tamura , Tatsuya Takekoshi , Tai Oshima , Shun Ishii , LST working group

How a star forms is a fundamental question in astrophysics. In the earliest stages of protostellar evolution high extinction prevents a direct study of the accretion processes and their temporal evolution. Monitoring the variations of the…

Instrumentation and Methods for Astrophysics · Physics 2025-12-18 Thomas Stanke , Verena Wolf , Bringfried Stecklum , Doug Johnstone , Jochen Eislöffel , Gregory J. Herczeg , S. Tom Megeath , Karri I. I. Koljonen

The Atacama Large Millimeter Array (ALMA) has revolutionised the field of solar millimetre astronomy with its high angular resolution and cadence. However, with a limited field of view (FOV), targeted observations of highly dynamic…

Solar and Stellar Astrophysics · Physics 2025-09-10 Mats Kirkaune , Sven Wedemeyer , Joshiwa van Marrewijk , Tony Mroczkowski , Thomas W. Morris

Recent observations with the James Webb Space Telescope are yielding tantalizing hints of an early population of massive, bright galaxies at $z > 10$, with Atacama Large Millimeter Array (ALMA) observations indicating significant dust…

Astrophysics of Galaxies · Physics 2023-09-19 Valentin Mauerhofer , Pratika Dayal

Understanding the dust content of galaxies, its evolution with redshift and its relationship to stars and star formation is fundamental for our understanding of galaxy evolution. Using the ALMA Lensing Cluster Survey (ALCS) wide-area band-6…

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

Magnification bias offers a uniquely powerful and independent route to cosmological information. As a gravitational-lensing observable, it probes galaxy-matter correlations without relying on galaxy shapes, PSF modelling, or…

Existing (Spitzer Space Telescope) and upcoming (Herschel Space Telescope) facilities are deepening our understanding of the role of dust in tracing the energy budget and chemical evolution of galaxies. The tools we are developing while…

Cosmology and Nongalactic Astrophysics · Physics 2009-07-02 Daniela Calzetti

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 infrared spectral energy distributions (SEDs) of main-sequence galaxies in the early universe (z > 4) is currently unconstrained as infrared continuum observations are time consuming and not feasible for large samples. We present…

The generation and evolution of dust in galaxies are important tracers for star formation, and can characterize the rest-frame ultraviolet to infrared emission from the galaxies. In particular understanding dust in high-redshift galaxies…

Astrophysics of Galaxies · Physics 2023-10-05 Daichi Tsuna , Yurina Nakazato , Tilman Hartwig

ALMA will become fully operational in a few years and open a new window on primordial galaxies. The mm and submm domain is privileged, since the peak of dust emission between 60 and 100 microns is redshifted there for z= 5-10, and the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 F. Combes