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Related papers: LZIFU: an emission-line fitting toolkit for integr…

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Light-in-flight (LiF) measurements enable the visualization of light paths through arbitrary, volumetric scenes, making light-matter interactions at ultrafast timescales visible. Traditionally, LiF measurements require specialized…

The fitting of spectral lines is a common step in the analysis of line observations and simulations. However, the observational noise, the presence of multiple velocity components, and potentially large data sets make it a non-trivial task.…

Astrophysics of Galaxies · Physics 2024-03-08 Mika Juvela , Devika Tharakkal

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

The Low Frequency Instrument (LFI) is one of the two instruments onboard the ESA PLANCK satellite foreseen to be launched in 2007. The LFI will image the Cosmic Microwave Background (CMB) anisotropies and the polarization in four different…

EIFIS (Extreme Integral FIeld Spectrograph) is a modular integral field spectrograph, based on image slicers, and makes use of new, large format detectors. The concept is thought to cover the largest possible field of view while producing…

An important contribution to the gamma-ray emission of our Galaxy is the Galactic Diffuse emission. We present specific developments within the PICARD code for modeling of Galactic cosmic ray propagation that are relevant for the…

High Energy Astrophysical Phenomena · Physics 2017-01-26 Felix Niederwanger , Olaf Reimer , Ralf Kissmann , Richard Tuffs

We present a new spectral fitting code, Firefly, for deriving the stellar population properties of stellar systems. Firefly is a chi-squared minimisation fitting code that fits combinations of single-burst stellar population models to…

Astrophysics of Galaxies · Physics 2017-11-08 David M. Wilkinson , Claudia Maraston , Daniel Goddard , Daniel Thomas , Taniya Parikh

LiteBIRD, the Lite (Light) satellite for the study of $B$-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission focused on primordial cosmology and fundamental physics. In this paper, we present the…

Instrumentation and Methods for Astrophysics · Physics 2025-11-26 M. Tomasi , L. Pagano , A. Anand , C. Baccigalupi , A. J. Banday , M. Bortolami , G. Galloni , M. Galloway , T. Ghigna , S. Giardiello , M. Gomes , E. Hivon , N. Krachmalnicoff , S. Micheli , M. Monelli , Y. Nagano , A. Novelli , G. Patanchon , D. Poletti , G. Puglisi , N. Raffuzzi , M. Reinecke , Y. Takase , G. Weymann-Despres , D. Adak , E. Allys , J. Aumont , R. Aurvik , M. Ballardini , R. B. Barreiro , N. Bartolo , S. Basak , M. Bersanelli , A. Besnard , T. Brinckmann , E. Calabrese , P. Campeti , E. Carinos , A. Carones , F. J. Casas , K. Cheung , M. Citran , L. Clermont , F. Columbro , G. Coppi , A. Coppolecchia , F. Cuttaia , P. Dal Bo , P. de Bernardis , E. de la Hoz , M. De Lucia , S. Della Torre , P. Diego-Palazuelos , H. K. Eriksen , T. Essinger-Hileman , C. Franceschet , U. Fuskeland , M. Gerbino , M. Gervasi , C. Gimeno-Amo , E. Gjerløw , A. Gruppuso , M. Hazumi , S. Henrot-Versillé , L. T. Hergt , B. Jost , K. Kohri , L. Lamagna , T. Lari , M. Lattanzi , C. Leloup , F. Levrier , A. I. Lonappan , M. López-Caniego , G. Luzzi , J. Macias-Perez , B. Maffei , E. Martínez-González , S. Masi , S. Matarrese , T. Matsumura , L. Montier , G. Morgante , L. Mousset , R. Nagata , F. Noviello , I. Obata , A. Occhiuzzi , A. Paiella , D. Paoletti , G. Pascual-Cisneros , F. Piacentini , M. Pinchera , G. Polenta , L. Porcelli , M. Remazeilles , A. Ritacco , A. Rizzieri , J. A. Rubiño-Martín , M. Ruiz-Granda , J. Sanghavi , V. Sauvage , M. Shiraishi , G. Signorelli , S. L. Stever , R. M. Sullivan , K. Tassis , L. Terenzi , L. Vacher , B. van Tent , P. Vielva , I. K. Wehus , M. Zannoni , Y. Zhou

The Ly$\alpha$ emission has emerged as a powerful tool for probing diffuse gas within the large-scale structure of the universe. In this paper, we investigate cosmic Ly$\alpha$ emission by post-processing cosmological simulations from…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-02 Sung-Han Tsai , Ke-Jung Chen , Aaron Smith , Yi-Kuan Chiang

(abridged) We present an effective implementation of analytical calculations of the Lyalpha opacity distribution of the Intergalactic Medium (IGM) along multiple lines of sight (LOS) to distant quasars in a cosmological setting. This method…

Astrophysics · Physics 2009-11-06 M. Viel , S. Matarrese , H. J. Mo , M. G. Haehnelt , Tom Theuns

Parallel computing and steadily increasing computation speed have led to a new tool for analyzing multiple datasets and datatypes: fitting several datasets simultaneously. With this technique, physically connected parameters of individual…

Observations of high-redshift galaxies have provided us with a rich tool to study the physics at play during the epoch of reionisation. The luminosity function (LF) of these objects is an indirect tracer of the complex processes that govern…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-04 Nashwan Sabti , Julian B. Muñoz , Diego Blas

We present an interactive IDL program for viewing and analyzing astronomical spectra in the context of modern imaging surveys. SpecPro's interactive design lets the user simultaneously view spectroscopic, photometric, and imaging data,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-27 Daniel Masters , Peter Capak

We report on the progress in flavor identification tools developed for a future $e^+e^-$ linear collider such as the International Linear Collider (ILC) and Compact Linear Collider (CLIC). Building on the work carried out by the LCFIVertex…

Instrumentation and Detectors · Physics 2018-04-16 Taikan Suehara , Tomohiko Tanabe

We present here a brief summary of the currenly on-going IFU surveys of galaxies in the Local Universe, describing their main characteristics, including their sample selections, instrumental setups, wavelength ranges, and area of the…

Astrophysics of Galaxies · Physics 2015-06-23 S. F. Sanchez , the CALIFA collaboration

We present new results on the Ly-alpha emission-line kinematics of 18 z~2-3 star-forming galaxies with multiple-peaked Ly-alpha profiles. With our large spectroscopic database of UV-selected star-forming galaxies at these redshifts, we have…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Kristin R. Kulas , Alice E. Shapley , Juna A. Kollmeier , Zheng Zheng , Charles C. Steidel , Kevin N. Hainline

A quarter of a century has passed since the observing technique of integral field spectroscopy (IFS) was first applied to planetary nebulae (PNe). Progress after the early experiments was relatively slow, mainly because of the limited…

Astrophysics of Galaxies · Physics 2025-10-08 Martin M. Roth , George Jacoby , Robin Ciardullo , Azlizan Soemitro , Peter M. Weilbacher , Magda Arnaboldi

Laser-induced strong-field ionization tomography (LISFIT) is an emerging space-time tomographic modality with the potential to revolutionize imaging capabilities. To fully harness its power, a robust theoretical framework is essential. This…

Atomic Physics · Physics 2025-03-05 Eugene Frumker

Far-infrared (FIR) and mid-infrared (MIR) fine-structure lines (FSLs) are widely used for studying galaxies nearby and faraway. However, interpreting these lines is complicated by factors including sample and data bias, mismatch between…

Astrophysics of Galaxies · Physics 2025-07-16 Bo Peng , Cody Lamarche , Catie Ball , Amit Vishwas , Gordon Stacey , Christopher Rooney , Thomas Nikola , Carl Ferkinhoff