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Cited by 344

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Fitting the integrated spectral energy distributions of galaxies

Open access
Walcher, Jakob, Groves, Brent, Budavári, Tamás, Dale, Daniel·2011·Astrophysics and Space Science

Abstract

Fitting the spectral energy distributions (SEDs) of galaxies is an almost universally used technique that has matured significantly in the last decade. Model predictions and fitting procedures have improved significantly over this time, attempting to keep up with the vastly increased volume and quality of available data. We review here the field of SED fitting, describing the modelling of ultraviolet to infrared galaxy SEDs, the creation of multiwavelength data sets, and the methods used to fit model SEDs to observed galaxy data sets. We touch upon the achievements and challenges in the major ingredients of SED fitting, with a special emphasis on describing the interplay between the quality of the available data, the quality of the available models, and the best fitting technique to use in order to obtain a realistic measurement as well as realistic uncertainties. We conclude that SED fitting can be used effectively to derive a range of physical properties of galaxies, such as redshift, stellar masses, star formation rates, dust masses, and metallicities, with care taken not to over-interpret the available data. Yet there still exist many issues such as estimating the age of the oldest stars in a galaxy, finer details of dust properties and dust-star geometry, and the influences of poorly understood, luminous stellar types and phases. The challenge for the coming years will be to improve both the models and the observational data sets to resolve these uncertainties. The present review will be made available on an interactive, moderated web page (sedfitting.org), where the community can access and change the text. The intention is to expand the text and keep it up to date over the coming years.

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Metadata

Authors
Walcher, J., Groves, B., Budavári, T., & Dale, D.
Venue
Astrophysics and Space Science
Published
2010-08-17
Volume
331
Issue
1
Pages
1-51
ISSN
  • 0004-640X (ISSN-L)
  • 1572-946X
OpenAlex
W2076666823
Cited by
344
References
257
FWCI
7.66
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Fitting the integrated spectral energy distributions of galaxies. https://app.cochat.ai/papers/10.1007/s10509-010-0458-z
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Walcher, J., Groves, B., Budavári, T., & Dale, D. (2011). Fitting the integrated spectral energy distributions of galaxies. Astrophysics and Space Science. https://doi.org/10.1007/s10509-010-0458-z

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