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Wireless physical layer assessment, such as measuring antenna radiation patterns, is complex and cost-intensive. Researchers often require a stationary setup with antennas surrounding the device under test. There remains a need for more…

网络与互联网体系结构 · 计算机科学 2025-01-24 Alexander Heinrich , Florentin Putz , Sören Krollmann , Bastian Loss , Waqar Ahmed , Matthias Hollick

We investigate the capability of the \textit{Nancy Grace Roman Space Telescope's (Roman)} Wide-Field Instrument (WFI) G150 slitless grism to detect red, quiescent galaxies based on the current reference survey. We simulate dispersed images…

星系天体物理 · 物理学 2026-02-25 Zhiyuan Guo , Bhavin Joshi , Chris. W. Walter , M. A. Troxel

Considerable observational efforts are being dedicated to measuring the sky-averaged (global) 21-cm signal of neutral hydrogen from Cosmic Dawn and the Epoch of Reionization. Deriving observational constraints on the astrophysics of this…

宇宙学与河外天体物理 · 物理学 2022-05-18 Christian H. Bye , Stephen K. N. Portillo , Anastasia Fialkov

We present the WFC3 Infrared Spectroscopic Parallel (WISP) Survey. WISP is obtaining slitless, near-infrared grism spectroscopy of ~ 90 independent, high-latitude fields by observing in the pure parallel mode with Wide Field Camera-3 on the…

宇宙学与河外天体物理 · 物理学 2015-05-19 H. Atek , M. Malkan , P. McCarthy , H. Teplitz , C. Scarlata , B. Siana , A. Henry , J. Colbert , N. R. Ross , C. Bridge , A. J. Bunker , A. Dressler , R. A. E. Fosbury , C. martin , H. Shim

Here we describe a Jupyter notebook demonstrating methods for the reduction and analysis of exoplanet transit observations taken with the WFC3/UVIS G280 grism. Released on Space Telescope's hst_notebooks GitHub repository, this notebook…

天体物理仪器与方法 · 物理学 2025-11-14 Munazza K. Alam , Frederick Dauphin , Amanda Pagul

We present HSIM: a dedicated pipeline for simulating observations with the HARMONI integral field spectrograph on the European Extremely Large Telescope. HSIM takes high spectral and spatial resolution input data-cubes, encoding physical…

天体物理仪器与方法 · 物理学 2015-09-30 S. Zieleniewski , N. Thatte , S. Kendrew , R. C. W. Houghton , A. M. Swinbank , M. Tecza , F. Clarke , T. Fusco

In this work, using the Gaussian process, we explore the potentiality of future gravitational wave (GW) measurements to probe cosmic opacity at high redshifts through comparing its opacity-free luminosity distance (LD) with the…

宇宙学与河外天体物理 · 物理学 2020-10-28 Xiangyun Fu , Jianfei Yang , Zhaoxia Chen , Lu Zhou , Jun Chen

We present reduced images and catalogues of photometric and emission line data ($\sim$230,000 and $\sim$8,000 sources, respectively) for the WFC3 Infrared Spectroscopic Parallel (WISP) Survey. These data are made publicly available on the…

We present Lenstronomy, a multi-purpose open-source gravitational lens modeling python package. Lenstronomy is able to reconstruct the lens mass and surface brightness distributions of strong lensing systems using forward modelling.…

宇宙学与河外天体物理 · 物理学 2018-11-14 Simon Birrer , Adam Amara

Wide-field imaging has become a major challenge for modern radio astronomy, which uses high sensitivity acquisition systems that deal with huge amounts of data. In this paper we investigate a fast wide-field imaging solution based on the…

天体物理仪器与方法 · 物理学 2019-04-19 Luis F. R. Lucas , Chris J. Skipper , Anna M. M. Scaife

Precision cosmology with gravitational wave (GW) sources requires a deeper understanding of the interplay between GW source population and cosmological parameters governing the dynamics of the Universe. With the swift increase in GW…

宇宙学与河外天体物理 · 物理学 2023-10-26 Christos Karathanasis , Benoit Revenu , Suvodip Mukherjee , Federico Stachurski

Astro-WISE is the Astronomical Wide-field Imaging System for Europe. It is a scientific information system which consists of hardware and software federated over about a dozen institutes throughout Europe. It has been developed to exploit…

天体物理仪器与方法 · 物理学 2013-01-08 Hugo Buddelmeijer , O. Rees Williams , John P. McFarland , Andrey Belikov

HST is commonly thought of as an optical-IR imaging or UV-spectroscopy observatory. However, the advent of WFC3-IR made it possible to do slitless infrared spectroscopic surveys over an area significant for galaxy evolution studies (~0.15…

宇宙学与河外天体物理 · 物理学 2012-09-10 Benjamin J. Weiner

JASMINE is a Japanese planned space mission that aims to reveal the formation history of our Galaxy and discover habitable exoEarths. For these objectives, the JASMINE satellite performs high-precision astrometric observations of the…

Atmospheric characterisation of temperate, rocky planets is the holy grail of exoplanet studies. These worlds are at the limits of our capabilities with current instrumentation in transmission spectroscopy and challenge our state-of-the-art…

The Mid-Infrared Instrument (MIRI) on the James Webb Space Telescope (JWST), has imaging, four coronagraphs and both low and medium resolution spectroscopic modes . Being able to simulate MIRI observations will help commissioning of the…

We present a method to simulate deep sky images, including realistic galaxy morphologies and telescope characteristics. To achieve a wide diversity of simulated galaxy morphologies, we first use the shapelets formalism to parametrize the…

天体物理学 · 物理学 2009-11-07 Richard Massey , Alexandre Refregier , Christopher J. Conselice , David J. Bacon

We present a method to simulate color, 3-dimensional images taken with a space-based observatory by building off of the established shapelets pipeline. The simulated galaxies exhibit complex morphologies, which are realistically correlated…

天体物理学 · 物理学 2009-08-18 M. Ferry , J. Rhodes , R. Massey , M. White , D. Coe , B. Mobasher

The advent of third-generation (3G) gravitational-wave (GW) detectors opens new opportunities for multi-messenger observations of binary neutron star merger events, holding significant potential for probing the history of cosmic expansion.…

宇宙学与河外天体物理 · 物理学 2025-03-07 Tao Han , Ze Li , Jing-Fei Zhang , Xin Zhang

The Wide Field Camera 3 (WFC3) instrument on the Hubble Space Telescope has provided an abundance of exoplanet spectra over the years. These spectra have enabled analysis studies using atmospheric retrievals to constrain the properties of…

地球与行星天体物理 · 物理学 2025-03-07 Aline Novais , Chloe Fisher , Luan Ghezzi , Daniel Kitzmann , Brian Thorsbro , Kevin Heng