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Related papers: Dust Continuum Observations of Protostars: Constra…

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Measured properties of young stellar objects (YSOs) are key tools for research into pre-main-sequence stellar evolution. YSO properties are commonly measured by comparing observed radiation to existing grids of template YSO spectral energy…

Solar and Stellar Astrophysics · Physics 2024-01-26 Theo Richardson , Adam Ginsburg , Rémy Indebetouw , Thomas P. Robitaille

We present Starduster, a supervised deep learning model that predicts the multi-wavelength SED from galaxy geometry parameters and star formation history by emulating dust radiative transfer simulations. The model is comprised of three…

Astrophysics of Galaxies · Physics 2022-05-18 Yisheng Qiu , Xi Kang

We derive the spectral energy distribution (SED) of dusty, isothermal, self gravitating, stable and spherical clouds externally heated by the ambient interstellar radiation field. For a given radiation field and dust properties, the…

Astrophysics · Physics 2009-11-13 Joerg Fischera , Michael A. Dopita

Spectral energy distribution (SED) modeling is one of the main methods to estimate galaxy properties, such as photometric redshifts, $z$, and stellar masses, $M_*$, for extragalactic imaging surveys. SEDs are currently modeled as light from…

Astrophysics of Galaxies · Physics 2024-10-01 ChangHoon Hahn , Peter Melchior

The internal dust extinction in spiral galaxies can affect our understanding of their structure and morphology, as well as our perception of the distant universe in the background. The intrinsic properties of the stellar and dust components…

Astrophysics · Physics 2007-05-23 Simone Bianchi

The inner regions of protoplanetary disks are host to the sublimation of dust grains, a process traditionally modeled using equilibrium thermodynamics. We demonstrate through ab-initio density functional theory (DFT) and kinetic Monte Carlo…

Earth and Planetary Astrophysics · Physics 2025-09-16 Sheng Xu , Lile Wang , Luis C. Ho , Renyue Cen , Shenzhen Xu

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

In this contribution we investigate how to describe the results and usage of evolutionary synthesis models. In particular, we look for an explicit and quantitative description of the parameter space of synthesis models and the evaluation of…

Astrophysics · Physics 2007-11-12 M. Cervino , V. luridiana

Condensation clouds in substellar atmospheres have been widely inferred from spectra and photometric variability. Up until now, their horizontally averaged vertical distribution and mean particle size have been largely characterized using…

Earth and Planetary Astrophysics · Physics 2018-03-28 Peter Gao , Mark S. Marley , Andrew S. Ackerman

This paper reviews our current understanding of interstellar dust models, what constitutes a viable dust model, what observational constraints are essential for deriving such model, and the current viable dust models. Interstellar dust…

Astrophysics · Physics 2009-11-10 Eli Dwek

Multiplicity is common in field stars and among protostellar systems. Models suggest two paths of formation: turbulent fragmentation and protostellar disk fragmentation. We attempt to find whether or not the coevality frequency of multiple…

Solar and Stellar Astrophysics · Physics 2016-07-27 Nadia M. Murillo , Ewine F. van Dishoeck , John J. Tobin , Davide Fedele

Distance estimates derived from spectroscopy or parallax have been unified by considering extinction by large grains. The addition of such a population of what is called Dark Dust to models of the diffuse interstellar medium is tested…

Astrophysics of Galaxies · Physics 2023-02-22 Ralf Siebenmorgen

Precession Electron Diffraction (PED) offers a number of advantages for crystal structure analysis and solving unknown structures using electron diffraction. The current article uses many-beam simulations of PED intensities, in combination…

Materials Science · Physics 2025-09-22 W. Sinkler , L. D. Marks

Galaxy spectral energy distribution (SED) modelling is a powerful tool, but constraining how well it is able to infer the true values for galaxy properties (e.g. the star formation rate, SFR) is difficult because independent determinations…

Astrophysics of Galaxies · Physics 2014-11-26 Christopher C. Hayward , Daniel J. B. Smith

We provide a library of some 7000 SEDs (available at www.eso.org/~rsiebenm) for the nuclei of starburst and ultra luminous galaxies. Its purpose is to quickly obtain estimates of the basic parameters, such as luminosity, size and dust or…

Astrophysics · Physics 2009-11-11 Ralf Siebenmorgen , Endrik Kruegel

High dynamic range imaging of submillimeter dust emission from the envelopes of eight young protostars in the Taurus and Perseus star-forming regions has been carried out using the SCUBA submillimeter camera on the James Clerk Maxwell…

Astrophysics · Physics 2009-10-31 Claire J. Chandler , John S. Richer

The spectral energy distribution (SED) of galaxies provides fundamental information on the related physical processes. However, the SED is significantly affected by dust in its interstellar medium. Dust is mainly produced by asymptotic…

Astrophysics of Galaxies · Physics 2022-05-25 Kazuki Y. Nishida , Tsutomu T. Takeuchi , Takuma Nagata , Ryosuke S. Asano

Dust plays crucial roles in galaxy formation and evolution. In the early epoch of galaxy evolution dust is only supplied by supernovae (SNe). With the aid of a new physical model of dust production by SNe, we constructed a model of dust…

Astrophysics · Physics 2007-05-23 Tsutomu T. Takeuchi

We present a simple, largely empirical but physically motivated model, which is designed to interpret consistently multi-wavelength observations from large samples of galaxies in terms of physical parameters, such as star formation rate,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Elisabete da Cunha , Stephane Charlot , David Elbaz

Except in a few cases cosmic dust can be studied in situ or in terrestrial laboratories, essentially all of our information concerning the nature of cosmic dust depends upon its interaction with electromagnetic radiation. This chapter…

Astrophysics · Physics 2008-09-01 Aigen Li