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Doing astronomy with photons of energies in excess of a GeV has turned out to be extremely challenging. Efforts are underway to develop instruments that may push astronomy to wavelengths smaller than $10^{-14}$~cm by mapping the sky in high…

高能物理 - 唯象学 · 物理学 2009-10-28 F. Halzen

The Two Micron All Sky Survey (2MASS) is now underway and will provide a complete census of galaxies as faint as 13.5 mag (3 mJy) at 2.2 microns for most of the sky, and ~12.1 mag (10 mJy) for regions veiled by the Milky Way. This census…

天体物理学 · 物理学 2009-10-31 T. H. Jarrett , T. Chester , R. Cutri , S. Schneider , J. Rosenberg , J. P. Huchra , J. Mader

Although far-IR -- mm-wave astronomy has now been developing for several decades, access to this portion of the spectrum remains difficult and limited. Relative to their optical-wavelength counterparts, the submillimeter observatories are…

天体物理学 · 物理学 2017-01-18 C. Matt Bradford , Jonas Zmuidzinas

We study synergies between three promising methods to measure $2<z<5$ large-scale structure in the next decade. Optical spectroscopic surveys are the most mature, but become increasingly difficult at $z>2$ and suffer from interloper…

宇宙学与河外天体物理 · 物理学 2019-07-24 Shi-Fan Chen , Emanuele Castorina , Martin White , Anže Slosar

Although several optical techniques have been recently developed in order to overcome the resolution limit in microscopy, the imaging of sub-wavelength features is still a real challenge. In practise, super-resolution techniques remain…

物理教育 · 物理学 2019-07-24 Stephane Perrin , Keshia Badu , Paul Montgomery , Sylvain Lecler

We present recent developments in Kinetic Inductance Detectors (KID) for large arrays of detectors. The main application is ground-based millimeter wave astronomy. We focus in particular, as a case study, on our own experiment: NIKA (N\'eel…

The All Sky Automated Survey (ASAS) is monitoring all sky to about 14 mag with a cadence of about 1 day; it has discovered about 10^5 variable stars, most of them new. The instrument used for the survey had aperture of 7 cm. A search for…

天体物理学 · 物理学 2009-11-11 Bohdan Paczynski

We use the large cosmological Millennium Simulation (MS) to construct the first all-sky maps of the lensing potential and the deflection angle, aiming at gravitational lensing of the CMB, with the goal of properly including small-scale…

A revolution in radio receiving technology is underway with the development of densely packed phased arrays for radio astronomy. This technology can provide an exceptionally large field of view, while at the same time sampling the sky with…

天体物理仪器与方法 · 物理学 2016-03-03 S. A. Torchinsky , A. O. H. Olofsson , B. Censier , A. Karastergiou , M. Serylak , P. Renaud , C. Taffoureau

Infrared interferometry has seen a revolution over the last few years. The advent of GRAVITY+ is about to enable high-contrast observations, all-sky coverage and faint science up to K=21, with the implementation on 8m-class telescope of…

天体物理仪器与方法 · 物理学 2024-10-30 G. Bourdarot , F. Eisenhauer

Our view of the low-redshift Cosmic Web has been revolutionized by galaxy redshift surveys such as 6dFGS, SDSS and 2MRS. However, the trade-off between depth and angular coverage limits a systematic three-dimensional account of the entire…

宇宙学与河外天体物理 · 物理学 2016-10-20 Maciej Bilicki , John A. Peacock , Thomas H. Jarrett , Michelle E. Cluver , Louise Steward

Full sky coverage with 30-40 meter-class telescopes is essential to answer fundamental questions in Astrophysics, Cosmology, and Physics, such as the composition of the Universe and the formation of the first stars and supermassive black…

The MIllimeter Sardinia radio Telescope Receiver based on Array of Lumped elements kids, MISTRAL, is a millimetric ($\simeq 90GHz$) multipixel camera being built for the Sardinia Radio Telescope. It is going to be a facility instrument and…

Consistently superb observing conditions are crucial for achieving the scientific objectives of a telescope. Submillimeter astronomy is possible only at a few exceptionally dry sites, notably Mauna Kea, the Antarctic plateau, and the…

天体物理仪器与方法 · 物理学 2016-03-01 Simon J. E. Radford

This book lays out the scientific goals to be addressed by the next-generation ground-based cosmic microwave background experiment, CMB-S4, envisioned to consist of dedicated telescopes at the South Pole, the high Chilean Atacama plateau…

宇宙学与河外天体物理 · 物理学 2016-10-11 Kevork N. Abazajian , Peter Adshead , Zeeshan Ahmed , Steven W. Allen , David Alonso , Kam S. Arnold , Carlo Baccigalupi , James G. Bartlett , Nicholas Battaglia , Bradford A. Benson , Colin A. Bischoff , Julian Borrill , Victor Buza , Erminia Calabrese , Robert Caldwell , John E. Carlstrom , Clarence L. Chang , Thomas M. Crawford , Francis-Yan Cyr-Racine , Francesco De Bernardis , Tijmen de Haan , Sperello di Serego Alighieri , Joanna Dunkley , Cora Dvorkin , Josquin Errard , Giulio Fabbian , Stephen Feeney , Simone Ferraro , Jeffrey P. Filippini , Raphael Flauger , George M. Fuller , Vera Gluscevic , Daniel Green , Daniel Grin , Evan Grohs , Jason W. Henning , J. Colin Hill , Renee Hlozek , Gilbert Holder , William Holzapfel , Wayne Hu , Kevin M. Huffenberger , Reijo Keskitalo , Lloyd Knox , Arthur Kosowsky , John Kovac , Ely D. Kovetz , Chao-Lin Kuo , Akito Kusaka , Maude Le Jeune , Adrian T. Lee , Marc Lilley , Marilena Loverde , Mathew S. Madhavacheril , Adam Mantz , David J. E. Marsh , Jeffrey McMahon , Pieter Daniel Meerburg , Joel Meyers , Amber D. Miller , Julian B. Munoz , Ho Nam Nguyen , Michael D. Niemack , Marco Peloso , Julien Peloton , Levon Pogosian , Clement Pryke , Marco Raveri , Christian L. Reichardt , Graca Rocha , Aditya Rotti , Emmanuel Schaan , Marcel M. Schmittfull , Douglas Scott , Neelima Sehgal , Sarah Shandera , Blake D. Sherwin , Tristan L. Smith , Lorenzo Sorbo , Glenn D. Starkman , Kyle T. Story , Alexander van Engelen , Joaquin D. Vieira , Scott Watson , Nathan Whitehorn , W. L. Kimmy Wu

Preliminary site testing datasets suggest that Dome C in Antarctica is one of the best sites on Earth for astronomical observations in the 200 to 500 micron regime, i.e. for far-infrared (FIR) and submillimetre (submm) astronomy. We present…

We describe the motivation, design and implementation of the CORNISH survey, an arcsecond resolution radio continuum survey of the inner Galactic plane at 5 GHz using the Karl G. Jansky Very Large Array (VLA). It is a blind survey…

The millimeter/sub-millimeter (mm/sub-mm) sky remains a rich but under-explored frontier for transient and variable phenomena. A wide-field, high-sensitivity instrument with a large aperture and degree-scale field of view would open this…