dust_extinction
Karl D. Gordon
STScI, Baltimore, MD
Python in Astronomy
Lightning Talk
31 July 2019
ISM@ST member
[email protected]
@karllark2000
karllark@github
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Motivations
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Provide up-to-date dust extinction models
– Forward modeling and correcting observations
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So I can learn open development skills
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Contribute to the pyastro community
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Have all the models available for my papers
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Package
– for those that like dust
– for those that just want it to go away
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Astropy Affiliated Package
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Strengths
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Maintained mainly by dust extinction experts
– New models added as they are created
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Provides choice of models
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Documentation
– Including recommendations
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Future/Needs
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Needs review by general users
– Maintained by experts
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Add more models
– Currently covers UV – NIR
– Add dust grain models (X-ray to mm)
– Add MIR models
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What else needed? (issues very welcome)
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Thanks
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Extinction vs
Attenuation
Github: karllark/dust_attenuation
Github: karllark/dust_extinction
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R(V) Dependence - F20 Model
Fitzpatrick, Massa, Gordon, et al. 2019, almost submitted