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Register a new userConference Summary: Astronomy Perspective of Astro-Statistics
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Ofer Lahav
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This is a summary of the `Astronomy Perspective of the 4th meeting on Statistical Challenges in Modern Astronomy held at Penn State University in June 2006. We comment on trends in the Astronomy community towards Bayesian methods and model selection criteria. We describe two examples where Bayesian methods have improved our inference: (i) photometric redshift estimation (ii) orbital parameters of extra-solar planets. We also comment on the pros and cons of Globalization of scientific research. Communities like Astronomy, High Energy Physics and Statistics develop ideas separately, but also have frequent interaction. This illustrates the benefits of comparing notes.
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Thick fully depleted CCDs, while enabling wide spectral response, also present challenges in understanding the systematic errors due to 3D charge transport. This 2014 Workshop on Precision Astronomy with Fully Depleted CCDs covered progress that has been made in the testing and modeling of these devices made since a workshop by the same name in 2013. Presentations covered the science drivers, CCD characterization, laboratory measurements of systematics, calibration, and different approaches to modeling the response and charge transport. The key issue is the impact of these CCD sensor features on dark energy science, including astrometry and photometry. Successful modeling of the spatial systematics can enable first order correction in the data processing pipeline.
Some highlights from the 18$^{rm th}$ international conference on $B$ physics at frontier machines are presented, including first results from the full LHC Run 2 data and from early Belle II data.
This paper gives highlights of the experimental results shown at this conference.
Angular momentum (AM) is a key parameter to understand galaxy formation and evolution. AM originates in tidal torques between proto-structures at turn around, and from this the specific AM is expected to scale as a power-law of slope 2/3 with mass. However, subsequent evolution re-shuffles this through matter accretion from filaments, mergers, star formation and feedback, secular evolution and AM exchange between baryons and dark matter. Outer parts of galaxies are essential to study since they retain most of the AM and the diagnostics of the evolution. Galaxy IFU surveys have recently provided a wealth of kinematical information in the local universe. In the future, we can expect more statistics in the outer parts, and evolution at high z, including atomic gas with SKA.
Highlights of the experimental results presented at the Quark Matter 2005 Conference in Budapest (Hungary) are reviewed and open issues are discussed.
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