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Considerable interest is now focused on the detection of terrestrial mass planets around M dwarfs, and radial velocity surveys with high-resolution spectrographs in the near infrared are expected to be able to discover such planets. We…

Astrophysics · Physics 2014-11-18 Suvrath Mahadevan , Jian Ge

Dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) ideally requires a high spatial and high temporal resolution, but hardware limitations prevent acquisitions from simultaneously achieving both. Existing image reconstruction…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Alexander J. Mertens , Hai-Ling Margaret Cheng

The Next Generation Sky Survey (NGSS) is a proposed NASA MIDEX mission to map the entire sky in four infrared bandpasses - 3.5, 4.7, 12, and 23 um. The seven-month mission will use a 50-cm telescope and four-channel imager to survey the sky…

Astrophysics · Physics 2007-05-23 J. Davy Kirkpatrick

We present first results from the Southern Cosmology Survey, a new multiwavelength survey of the southern sky coordinated with the Atacama Cosmology Telescope (ACT), a recently commissioned ground-based mm-band Cosmic Microwave Background…

Next year the second generation instrument SPHERE will begin science operations at the Very Large Telecope (ESO). This instrument will be dedicated to the search for exoplanets through the direct imaging techniques, with the new generation…

Instrumentation and Methods for Astrophysics · Physics 2015-06-16 A. Zurlo , A. Vigan , C. Moutou , D. Mesa , R. Gratton , M. Langlois , J. -L. Beuzit , A. Costille , S. Desidera , K. Dolhen , C. Gry , F. Madec , D. Le Mignant , D. Mouillet , J. -F. Sauvage

The Simons Observatory (SO) will make precision temperature and polarization measurements of the cosmic microwave background (CMB) over angular scales between 1 arcminute and tens of degrees using over 60,000 detectors and sampling…

Instrumentation and Methods for Astrophysics · Physics 2018-10-08 Nicholas Galitzki

Suppressing the interference of atmospheric turbulence and obtaining observation data with a high spatial resolution is an issue to be solved urgently for ground observations. One way to solve this problem is to perform a statistical…

Instrumentation and Methods for Astrophysics · Physics 2022-07-04 Hui Liu , Zhenyu Jin , Yongyuan Xiang , Kaifan Ji

A multichannel dual-comb spectroscopy (DCS) approach for high-resolution, broadband spectral measurements is presented, demonstrating its effectiveness in studying complex atomic systems. By implementing a photodetector array, we enhance…

Atomic Physics · Physics 2025-03-14 R. Aramyan , O. Tretiak , S. S. Sahoo , D. Budker

This is the second part of a series of two articles focused on the development and evaluation of the ARP-GEM1 global atmosphere model. The first paper introduced the model's new physics and speedup improvements. In this second part, we…

Atmospheric and Oceanic Physics · Physics 2024-10-01 Olivier Geoffroy , David Saint-Martin

A deep, space-based, all-sky near-infrared survey carried out with the Nancy Grace Roman Space Telescope would constitute a foundational astronomical infrastructure for decades to come. In this white paper, we present a concrete and…

Instrumentation and Methods for Astrophysics · Physics 2026-02-26 Jiwon Jesse Han , Anirudh Chiti , Kai-Feng Chen , Keith Bechtol , Andrea Bellini , Robert Benjamin , Adam Bolton , Ana Bonaca , Alex Broughton , Esra Bulbul , Susan Clark , Charlie Conroy , Suchetha Cooray , John Franklin Crenshaw , Tansu Daylan , Arjun Dey , Alex Drlica-Wagner , Tim Eifler , Kareem El-Badry , Richard M. Feder , Peter Ferguson , Shenming Fu , Sebastian Gomez , Ryan Hickox , Christopher Hirata , Easton J. Honaker , Xiaosheng Huang , Alexander P. Ji , Michael Liu , Kevin A. McKinnon , Geoffrey Mo , Burcin Mutlu-Pakdil , Adrian M. Price-Whelan , Alessandro Savino , David J. Schlegel , Nora Shipp , Jay Strader , Federica Tarsitano , Adrien C. R. Thob , Kim-Vy Tran , Roeland P. van der Marel , Feige Wang , Risa Wechsler , Daniel R. Weisz , Dennis Zaritsky , Tianqing Zhang , Shreya Anand , Amirnezam Amiri , Abhijeet Anand , Matthew L. N. Ashby , Finian Ashmead , Leandro Beraldo e Silva , Aliza Beverage , Michael R. Blanton , Warren R. Brown , Anthony G. A. Brown , Priyanka Chakraborty , Yi-Kuan Chiang , Jose M. Diego , Denis Erkal , Simone Ferraro , Lluís Galbany , Marla Geha , Oleg Y. Gnedin , Lars Hernquist , Jason A. S. Hunt , Valentin D. Ivanov , Venu Kalari , Nitya Kallivayalil , András Kovács , Kyle Kremer , Ting-Wen Lan , Denis Leahy , Jiaxuan Li , Ivan Minchev , GyuChul Myung , Ethan O. Nadler , Joan R. Najita , Melissa K. Ness , Jacob Nibauer , Fabio Pacucci , David Parkinson , Ekta Patel , R. Michael Rich , Marina Ricci , Graziano Rossi , Nikolina Sarcevic , Arnab Sarkar , Andrew K. Saydjari , Arman Shafieloo , Zachary Slepian , Sangmo Tony Sohn , David N. Spergel , Róbert Szabó , Christina C. Williams , John F. Wu

The C-Band All-Sky Survey C-BASS is a high-sensitivity all-sky radio survey at an angular resolution of 45 arcmin and a frequency of 4.7 GHz. We present a total intensity 4.7 GHz map of the North Celestial Pole (NCP) region of sky, above…

Opening up a new window of millimeter-wave observations that span frequency bands in the range of 30 to 500 GHz, survey half the sky, and are both an order of magnitude deeper (about 0.5 uK-arcmin) and of higher-resolution (about 10…

Remote Sensing applications can benefit from a relatively fine spatial resolution multispectral (MS) images and a high revisit frequency ensured by the twin satellites Sentinel-2. Unfortunately, only four out of thirteen bands are provided…

Computer Vision and Pattern Recognition · Computer Science 2019-06-26 Massimiliano Gargiulo , Domenico Antonio Giuseppe Dell'Aglio , Antonio Iodice , Daniele Riccio , Giuseppe Ruello

The cycling of carbon between its ionized, atomic, and molecular phases shapes the chemical compositions and physical conditions of the interstellar medium (ISM). However, ground-based studies of the full carbon cycle have been limited by…

The internal antarctic plateau revealed in the last years to be a site with interesting potentialities for the astronomical applications due to the extreme dryness and low temperatures, the typical high altitude of the plateau, the weak…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 E. Masciadri , F. Lascaux , S. Hagelin , P. Le Moigne , J. Noilhan

The Cosmology Large Angular Scale Surveyor (CLASS) is a polarization-sensitive telescope array located at an altitude of 5,200 m in the Chilean Atacama Desert and designed to measure the polarized Cosmic Microwave Background (CMB) over…

SNAP is a candidate for the Joint Dark Energy Mission (JDEM) that seeks to place constraints on the dark energy using two distinct methods. The first, Type Ia SN, is discussed in a companion white paper. The second method is weak…

Astrophysics · Physics 2012-08-27 SNAP Collaboration

The Diffuse Microwave Emission Survey (DIMES) has been selected for a mission concept study for NASA's New Mission Concepts for Astrophysics program. DIMES will measure the frequency spectrum of the cosmic microwave background and diffuse…

Astrophysics · Physics 2007-05-23 Al Kogut

The next generation magnetic spectrometer in space, AMS-100, is designed to have a geometrical acceptance of $100\,\mathrm{m}^2\,\mathrm{sr}$ and to be operated for at least ten years at the Sun-Earth Lagrange Point 2. Compared to existing…

Scattering scanning near-field optical microscopy (s-SNOM) is a technique to enhance the spatial resolution, and when combined by Fourier transform spectroscopy it can provide spectroscopic information with high spatial resolution. This…

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