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Related papers: Motivations for Imaging Spectroscopy at Dome C

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Supernova cosmology surveys are traditionally time consuming, especially for the critical spectroscopic data. However, a single spectrum at maximum light may provide accurate distance estimation if recent developments hold. This could open…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-07 Eric V. Linder

We present a reanalysis of several years of DIMM data at the site of Dome C, Antarctica, to provide measurements of the coherence time $\tau_0$. Statistics and seasonal behaviour of $\tau_0$ are given at two heights above the ground, 3m and…

Instrumentation and Methods for Astrophysics · Physics 2020-06-30 E. Aristidi , A. Agabi , L. Abe , E. Fossat , A. Ziad , D. Mékarnia

The anisotropies of the cosmic microwave background are a gold mine for cosmology and fundamental physics. ESA's Planck satellite should soon extract all information from the temperature vein but will be limited concerning the measurement…

Astrophysics · Physics 2007-05-23 F. R. Bouchet , A. Benoit , Ph. Camus , F. X. Desert , M. Piat , N. Ponthieu

Cosmic microwave background polarization encodes information not only on the early universe but also dark energy, neutrino mass, and gravity in the late universe through CMB lensing. Ground based surveys such as ACTpol, PolarBear, SPTpol…

Cosmology and Nongalactic Astrophysics · Physics 2012-10-02 Sudeep Das , Eric V. Linder

General arguments for optimized coronagraphy in the search for planets are presented. First, off-axis telescopes provide the best telescopic platforms for use with coronagraphy, and telescope fabrication technology now allows the…

Astrophysics · Physics 2007-05-23 A. T. Tokunaga , C. Ftaclas , J. R. Kuhn , P. Baudoz

We experimentally demonstrated a spectral imaging scheme with dual compressed sensing. With the dimensions of spectral and spatial information both compressed, the spectral image of a colored object can be obtained with only a single point…

Optics · Physics 2015-02-17 Xue-Feng Liu , Wen-Kai Yu , Xu-Ri Yao , Bin Dai , Long-Zhen Li , Chao Wang , Guang-Jie Zhai

Off-axis telescopes with unobstructed pupils offer great advantages in terms of emissivity, throughput, and diffractionlimited energy concentration. For most telescope designs, implementation of an off-axis configuration imposes enormous…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Will Saunders

The image quality from Ground-Layer Adaptive Optics (GLAO) can be gradually increased with decreased contiguous field of view. This trade-off is dependent on the vertical profile of the optical turbulence (Cn2 profiles). It is known that…

Instrumentation and Methods for Astrophysics · Physics 2009-12-23 J. Stoesz , E. Masciadri , F. Lascaux , S. Hagelin

South Pole Station offers a unique combination of high, dry, stable conditions and well-developed support facilities. Over the past 20 years, a sequence of increasingly sophisticated CMB experiments at Pole have built on the experience of…

Astrophysics · Physics 2007-07-10 J. M. Kovac , D. Barkats

Spectral imaging has recently gained traction for face recognition in biometric systems. We investigate the merits of spectral imaging for face recognition and the current challenges that hamper the widespread deployment of spectral sensors…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Rumaisah Munir , Rizwan Ahmed Khan

Understanding a planet's atmosphere is a necessary condition for understanding not only the planet itself, but also its formation, structure, evolution, and habitability, This puts a premium on obtaining spectra, and developing credible…

Earth and Planetary Astrophysics · Physics 2015-06-18 Adam Burrows

IceCube is a cubic-kilometer scale neutrino telescope located at the geographic South Pole. The detector utilizes the extremely transparent Antarctic ice as a medium for detecting Cherenkov radiation from neutrino interactions. As a result…

Instrumentation and Methods for Astrophysics · Physics 2019-08-22 Hrvoje Dujmović , Minjin Jeong , Christoph Tönnis

Measurements of cosmic microwave background (CMB) anisotropies by interferometers offer several advantages over single-dish observations. The formalism for analyzing interferometer CMB data is well developed in the flat-sky approximation,…

Astrophysics · Physics 2008-11-26 Emory F. Bunn , Martin White

A precise understanding of the optical properties of the instrumented Antarctic ice sheet is crucial to the performance of the IceCube Neutrino Observatory, a cubic-kilometer Cherenkov array of 5,160 digital optical modules (DOMs) deployed…

High Energy Astrophysical Phenomena · Physics 2023-07-27 Dmitry Chirkin , Martin Rongen

UltraCarbonaceous Antarctic MicroMeteorites (UCAMMs) represent a small fraction of interplanetary dust particles reaching the Earth's surface and contain large amounts of an organic component not found elsewhere. They are most probably…

Earth and Planetary Astrophysics · Physics 2018-01-10 E. Dartois , C. Engrand , J. Duprat , M. Godard , E. Charon , L. Delauche , C. Sandt , F. Borondics

During the past decade, a year-round observatory has been established at the geographic South Pole by the Center for Astrophysical Research in Antarctica (CARA). CARA has fielded several millimeter- and submillimeter-wave instruments:…

Astrophysics · Physics 2010-12-13 Antony A. Stark

Atom interferometers represent a promising approach for gravitational wave detection in the decihertz frequency band, complementary to existing light-based detectors. The South Pole offers unique advantages for such experiments:…

Instrumentation and Methods for Astrophysics · Physics 2026-05-15 C. A. Argüelles , M. DuVernois , P. W. Graham , T. Kovachy , J. Mitchell

Context. Spectroscopy of exoplanet atmospheres at high resolving powers is rapidly gaining popularity to measure the presence of atomic and molecular species. While this technique is robust against contaminant absorption in the Earth's…

Earth and Planetary Astrophysics · Physics 2019-10-30 A. Chiavassa , M. Brogi

The compelling science case for the observation of B-mode polarization in the cosmic microwave background (CMB) is driving the CMB community to expand the observed sky fraction, either by extending survey sizes or by deploying receivers to…

Instrumentation and Methods for Astrophysics · Physics 2018-08-07 D. Barkats , R. Bowens-Rubin , W. H. Clay , T. Culp , R. Hills , J. M. Kovac , N. A. Larsen , S. Paine , C. D. Sheehy , A. G. Vieregg

We examine the historical development of astrophysical science in Antarctica from the early 20th century until today. We find three temporally overlapping eras, each having a rather distinct beginning. These are the astrogeological era of…

Astrophysics · Physics 2009-11-10 Balthasar T. Indermuehle , Michael G. Burton , Sarah T. Maddison