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Quasar Spectra Astroinformatics Astronomy, Computer Science & Machine Learning

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Astroinformatics? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Astroinformatics? New Scientific Knowledge

Quasars – What are they? ,[object Object],Dictionary (OED) : a massive and extremely remote celestial object, emitting exceptionally large amounts of energy, which typically has a starlike image. It has been suggested that quasars contain massive black holes ...

Quasars – The Theory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

First Quasar (1963) ,[object Object],[object Object],[object Object],(Credit: Open University, Peterson 1997)

Spectral Energy Distribution (SED) ,[object Object],[object Object],[object Object],[object Object],(Credit: Open University, Peterson 1997)

SDSS – Sloan Digital Sky Survey ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SDSS Database ,[object Object],[object Object],[object Object]

SDSS Database History of all jobs run. The red ones failed! ,[object Object],[object Object]

Virtual Observatory (VO) ,[object Object],[object Object]

Machine Learning KMeans Clustering Choose any 2 starting points. Keep iterating until distance minimised. ,[object Object],[object Object],[object Object]

Project: Current Status ,[object Object],[object Object],[object Object],[object Object],[object Object]

Tools of the Trade ,[object Object],[object Object],[object Object]

Tools of the Trade ,[object Object],[object Object],[object Object],[object Object],[object Object]

Tools of the Trade ,[object Object],[object Object]

Project: The Future ,[object Object],[object Object],[object Object],[object Object]

Astroinformatics: The Future ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Astroinformatics: The Future ? Experimental Science – Thousands of years ago Theoretical Science – Newton, Maxwell, Einstein Computational Science – Simulations, complexity Data Science – 4th Paradigm, Data Deluge (Tony Hey, Microsoft Research)

Astroinformatics: The Future ,[object Object]

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