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Related papers: Debris Disk Radiative Transfer Simulation Tool (DD…

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The thermal emission of dust is one of the most important tracers of the interstellar medium: multi-wavelength photometry in the far-infrared (FIR) and submillimeter (submm) can be fitted with a model, providing estimates of the dust mass.…

Astrophysics of Galaxies · Physics 2020-10-07 Lapo Fanciullo , Francisca Kemper , Peter Scicluna , Thavisha E. Dharmawardena , Sundar Srinivasan

Ample evidence exists regarding supernovae being a major contributor to interstellar dust. In this work, the deepest far-infrared observations of the Crab Nebula are used to revisit the estimation of} the dust mass present in this supernova…

Instrumentation and Methods for Astrophysics · Physics 2019-03-11 Cyrine Nehmé , Sarkis Kassounian , Marc Sauvage

We present an analysis of the debris disc around the nearby K2 V star HIP 17439. In the context of the Herschel DUNES key programme the disc was observed and spatially resolved in the far-IR with the Herschel PACS and SPIRE instruments. In…

Earth and Planetary Astrophysics · Physics 2014-09-05 Ch. Schüppler , T. Löhne , A. V. Krivov , S. Ertel , J. P. Marshall , C. Eiroa

The electrical distribution system is moving toward a more decentralized, complex, and dynamic system. The system is experiencing a higher penetration of distributed energy resources, flexible resources, and active end-users, leading to an…

Systems and Control · Electrical Eng. & Systems 2023-02-21 Stine Fleischer Myhre , Olav Bjarte Fosso , Oddbjørn Gjerde , Poul Einar Heegaard

I present a fast Python tool, SpectRes, for carrying out the resampling of spectral flux densities and their associated uncertainties onto different wavelength grids. The function works with any grid of wavelength values, including…

Instrumentation and Methods for Astrophysics · Physics 2017-05-16 A. C. Carnall

We investigate the effect of ionising radiation from Massive Young Stellar Objects impinging on their emerging spectral energy distribution. By means of detailed radiative transfer calculations including both the gaseous and dust phase of…

Astrophysics of Galaxies · Physics 2015-06-11 Barbara Ercolano , Antonia Bevan , Thomas Robitaille

Entrainment of dust particles in the flow inside and outside of the proto-planetary disk has implications for the disk evolution and composition of planets. Using quasi-stationary solutions in our star-disk simulations as a background, we…

Solar and Stellar Astrophysics · Physics 2020-06-02 Robert Jaros , Miljenko Čemeljić , Włodek Kluźniak , Dejan Vinković , Cezary Turski

We analyse the joint distribution of dust attenuation and projected axis ratios, together with galaxy size and surface brightness profile information, to infer lessons on the dust content and star/dust geometry within star-forming galaxies…

Investigating the dust grain size and its dependence on substructures in protoplanetary disks is a crucial step in understanding the initial process of planet formation. Spectral indices derived from millimeter observations are used as a…

Earth and Planetary Astrophysics · Physics 2024-10-08 Dafa Li , Yao Liu , Hongchi Wang , Min Fang , Lei Wang

We infer the large-scale source parameters of dusty galaxies from their observed spectral energy distributions (SEDs) using the analytic radiative transfer methodology presented in Chakrabarti & McKee (2005). For local ultra-luminous…

Astrophysics · Physics 2009-11-13 Sukanya Chakrabarti , Christopher F. McKee

We develop a method of analyzing radio frequency spectral line observations to derive data on the temperature, density, velocity, and molecular abundance of the emitting gas. The method incorporates a radiative transfer code with a new…

Astrophysics · Physics 2009-11-10 Eric Keto , George B. Rybicki , Edwin A. Bergin , Rene Plume

We test emission models of circum-nuclear dust torii around quasars, at low and high redshifts, by using a large collection of photometric data for an unbiased sample of 120 optically-selected objects with millimetric and sub-millimetric…

Astrophysics · Physics 2009-10-31 Paola Andreani , Alberto Franceschini , Gianluigi Granato

The spectral energy distributions (SEDs) of some T Tauri stars display a deficit of near-IR flux that could be a consequence of an embedded Jupiter-mass planet partially clearing an inner hole in the circumstellar disc. Here, we use…

Astrophysics · Physics 2009-11-11 W. K. M. Rice , Philip J. Armitage , Kenneth Wood , Giuseppe Lodato

Determining the dust properties of high-redshift galaxies from their far-infrared continuum emission is challenging due to limited multi-frequency data. As a result, the dust spectral energy distribution (SED) is often modeled as a…

Astrophysics of Galaxies · Physics 2025-05-27 Laura Sommovigo , Hiddo Algera

A previously developed modeling procedure for large eddy simulations (LESs) is extended to allow physical space implementations for inhomogeneous flows. The method is inspired by the well-established theoretical analyses and numerical…

Fluid Dynamics · Physics 2022-10-28 Guangrui Sun , J. Andrzej Domaradzki

We derive hydrostatic, radiative equilibrium models for passive disks surrounding T Tauri stars. Each disk is encased by an optically thin layer of superheated dust grains. This layer re-emits directly to space about half the stellar energy…

Astrophysics · Physics 2009-06-16 E. I. Chiang , P. Goldreich

Transition disks have dust-depleted inner regions and may represent an intermediate step of an on-going disk dispersal process, where planet formation is probably in progress. Recent millimetre observations of transition disks reveal…

Earth and Planetary Astrophysics · Physics 2014-11-19 P. Pinilla , M. de Juan Ovelar , S. Ataiee , M. Benisty , T. Birnstiel , E. F. van Dishoeck , M. Min

Diffusion models (DMs) have exhibited remarkable efficacy in various image restoration tasks. However, existing approaches typically operate within the high-dimensional pixel space, resulting in high computational overhead. While methods…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Yang Zheng , Wen Li , Zhaoqiang Liu

The radial distribution of dust has been calculated in outflows driven by radiation pressure in which the gas drag is taken into account. It is shown that the dust distribution in the newly discovered candidate disk around BD+31d643 can be…

Astrophysics · Physics 2007-05-23 A. Lecavelier des Etangs , A. Vidal-Madjar , R. Ferlet

Spider pulsars are binary systems containing an energetic millisecond pulsar that intensely irradiates a closely orbiting low-mass companion. Modelling their companion's optical light curves is essential to the study of the orbital…

High Energy Astrophysical Phenomena · Physics 2020-11-17 G. Voisin , M. R. Kennedy , R. P. Breton , C. J. Clark , D. Mata-Sánchez
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