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Weak gravitational lensing is a widely used probe in cosmological analysis. It allows astrophysists to understand the content and evolution of the Universe. We are entering an era where we are not limited by the data volume but by…

Instrumentation and Methods for Astrophysics · Physics 2026-03-20 Axel Guinot , Rachel Mandelbaum

Cosmic Explorer (CE) is a proposed next generation gravitational-wave observatory that would be sited in the United States. As of 2025, CE is in its design phase, with plans to begin operations in the 2030s together with the Einstein…

Instrumentation and Detectors · Physics 2026-04-03 Laurence Datrier , Geoffrey Lovelace , Joshua R. Smith , Andrew Saenz , Amber Romero

In the last decade, the Kepler and CoRoT space-photometry missions have demonstrated the potential of asteroseismology as a novel, versatile and powerful tool to perform exquisite tests of stellar physics, and to enable precise and accurate…

The Palomar Cosmic Web Imager (PCWI) and Keck Cosmic Web Imager (KCWI) are integral-field spectrographs on the Hale 5m telescope at Palomar Observatory and the Keck-2 10m telescope at W. M. Keck Observatory, respectively. In recent years,…

Instrumentation and Methods for Astrophysics · Physics 2020-11-12 Donal O'Sullivan , Yuguang Chen

This paper discusses the latest progress in the development of GRAPE (Gamma-Ray Polarimeter Experiment), a hard X-ray Compton Polarimeter. The purpose of GRAPE is to measure the polarization of hard X-rays in the 50-300 keV energy range. We…

Astrophysics · Physics 2017-08-23 J. S. Legere , P. Bloser , J. R. Macri , M. L. McConnell , T. Narita , J. M. Ryan

Hyperspectral imaging (HSI) allows researchers to study plant traits non-destructively. By capturing hundreds of narrow spectral bands per pixel, it reveals details about plant biochemistry and stress that standard cameras miss. However,…

Software Engineering · Computer Science 2026-04-15 Rishik Aggarwal , Krisha Joshi , Pappu Kumar Yadav , Jianwei Qin , Thomas F. Burks , Moon S. Kim

We describe the algorithm used to select the Emission Line Galaxy (ELG) sample at $z \sim 0.85$ for the extended Baryon Oscillation Spectroscopic Survey of the Sloan Digital Sky Survey IV, using photometric data from the DECam Legacy…

We present a forward-modeling framework to forecast the galaxies detected in the Chinese Space Station Survey Telescope (CSST) spectroscopic survey and the Square Kilometre Array (SKA) HI survey. Starting from the L-Galaxies 2020…

Astrophysics of Galaxies · Physics 2026-05-05 Yingfeng Liu , Furen Deng , Wenxiang Pei , Haitao Miao , Qi Xiong , Shuanghao Shu , Xingchen Zhou , Qi Guo , Yan Gong , Yougang Wang , Xuelei Chen

We investigate the quality of associations of astronomical sources from multi-wavelength observations using simulated detections that are realistic in terms of their astrometric accuracy, small-scale clustering properties and selection…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Sebastien Heinis , Tamas Budavari , Alexander S. Szalay

The Nancy Grace Roman Space Telescope (Roman) mission is expected to launch in the mid-2020s. Its weak lensing program is designed to enable unprecedented systematics control in photometric measurements, including shear recovery,…

Instrumentation and Methods for Astrophysics · Physics 2020-12-07 M. A. Troxel , H. Long , C. M. Hirata , A. Choi , M. Jarvis , R. Mandelbaum , K. Wang , M. Yamamoto , S. Hemmati , P. Capak

The Serendipitous Extragalactic X-ray Source Identification (SEXSI) Program is designed to expand significantly the sample of identified extragalactic hard X-ray sources at intermediate fluxes, 1e-13 erg/cm2/s < S_(2-10 keV) < 1e-15…

The CZTI (Cadmium Zinc Telluride Imager) onboard AstroSat is a high energy coded mask imager and spectrometer in the energy range of 20 - 100 keV. Above 100 keV, the dominance of Compton scattering cross-section in CZTI results in a…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Abhay Kumar , Tanmoy Chattopadhyay , Santosh V. Vadawale , A. R. Rao , Mithun N. P. S. , Varun Bhalerao , Dipankar Bhattacharya

A sensitive survey of the MeV gamma-ray sky is needed to understand important astrophysical problems such as gamma-ray bursts in the early universe, progenitors of Type Ia supernovae, and the nature of dark matter. However, the study has…

Bottom-up coarse-grained (CG) models proved to be essential to complement and sometimes even replace all-atom representations of soft matter systems and biological macromolecules. The development of low-resolution models takes the moves…

Soft Condensed Matter · Physics 2024-06-13 Marco Giulini , Raffaele Fiorentini , Luca Tubiana , Raffaello Potestio , Roberto Menichetti

The Focusing Optics X-ray Solar Imager (FOXSI) is a NASA sounding rocket mission which will study particle acceleration and coronal heating on the Sun through high sensitivity observations in the hard X-ray energy band (5-15 keV). Combining…

Developing accurate analysis techniques to combine various probes of cosmology is essential to tighten constraints on cosmological parameters and to check for inconsistencies in our model of the Universe. In this paper we develop a joint…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Tim Eifler , Elisabeth Krause , Peter Schneider , Klaus Honscheid

We report results from the preliminary trials of Colibri, a dedicated fast-photometry array for the detection of small Kuiper belt objects through serendipitous stellar occultations. Colibri's novel data processing pipeline analyzed 4000…

Earth and Planetary Astrophysics · Physics 2017-12-20 Emily Pass , Stanimir Metchev , Peter Brown , Steven Beauchemin