Astrostatistics - September 19-21, 2012

Workshop Information

September 19, 2012 - 8:45am - September 21, 2012 - 5:00pm

This three day workshop, held at SAMSI, brought together astrophysicists and statisticians to brainstorm on advanced topics in statistical inference in the context of modern empirical astrophysics.

The importance of rigorous application of statistical methods to astrophysical data analysis has increased enormously in the last two decades. There has been a paradigm shift that involves constantly dealing with large data sets at multiple wavelengths, which requires complex automated processes that necessitate a diverse set of sophisticated statistical techniques. The current and upcoming astrophysics missions such as the SDSS, Planck, LSST and LIGO continue this trend to even larger data sets and parameter sets. The workshop brought  together astrophysicists from diverse sub-disciplines who have used statistical analysis in their research, and statisticians who have experience with statistical issues in astrophysics, in order to create a forum for extensive interactions on state-of-the-art statistical inference as applicable to astrophysical problems.

List of astronomy topics:
* Transients in Astrophysics: the search for transients, search for periodicities
* Large sky surveys, Dark Energy Survey
* Cosmic Microwave Background studies
* Galaxy Evolution
* Exoplanets
* Current missions (Fermi, SDSS, DES, Planck)
* Future missions (LSST, LIGO)

List of topics on improved statistical inference:
* Non-Linear Data Transformation
* Sparsity 
* Data Mining
* Bayesian Methods



Wednesday, September 19, 2012
Room 150

8:45-9:15 a.m. Registration and Continental Breakfast
9:15-9:30 Welcome and Introduction
Prajval Shastri, Stanford, and G. Jogesh Babu, Pennsylvania State University
9:30-10:30 Bayesian Statistics Overview
Jim Berger, Duke University
10:30-11:00 Break
11:00-11:30 Astronomical Image Analysis Employing Bayesian Mixture Models
Fabrizia Guglielmetti, Max-Planck Institute
11:30-12:00 Bayesian Hierarchical Modeling of Supernovae Type Ia
Roberto Trotta, Imperial College-London
12:00-12:30 Searches for Gravitational Waves with the Ground-based Interferometers
Sergey Klimenko, University of Florida
12:30-2:30 Lunch
2:30-3:30 "Big Data" Issues from a Bayesian Perspective
Tom Loredo, Cornell University
3:30-4:00 Break
4:00-4:30 Detecting Faint Intermittent Sources in Large Datasets
Ashish Mahabal, California Institute of Technology
4:30-5:00 Lessons Learned from Automated Analyses of 36,000,000 Light Curves
Hakeem Oluseyi, Florida Institute of Technology
5:00-5:30 Bayesian Methods in High Energy Astrophysics
Aneta Siemiginowska, Harvard-Smithsonian Center for Astrophysics

Thursday, September 20, 2012
Room 150

8:30-9:00 a.m. Registration and Continental Breakfast
9:00-10:00 Learning from Big Data in Astronomy - Overview
Kirk Borne, George Mason University
10:00-10:30 Break
10:30-11:00 The DES and LSST Surveys: Extracting Information from Galaxy Images
Bhuvnesh Jain, University of Pennsylvania
11:00-11:30 Multivariate Techniques in Star and Galaxy Identification
Deborah Bard, Stanford University
11:30-12:00 Weighing Galaxies using Inference from Cosmological Simulations
Risa Wechsler, Stanford University
12:00-2:00 Lunch
2:00-3:00 Sparsity – Overview
David Donoho, Stanford University
3:00-3:30 Break
3:30-4:30 Sparsity and Cosmic Microwave Background Analysis
Jean-Luc Starck, Laboratoire Astrophysique
4:30-5:00 Discussion: Research Working Group Topics
5:00-6:30 Reception and Poster Session

SAMSI will provide poster presentation boards and tape. The board dimensions are 4 ft. wide by 3 ft. high. They are tri-fold with each side being 1 ft. wide and the center 2 ft. wide. Please make sure your poster fits the board. The boards can accommodate up to 16 pages of paper measuring 8.5 inches by 11 inches.


Friday, September 21, 2012
Room 150


8:30-9:00 a.m. Registration and Continental Breakfast
9:00-10:00 Improved Estimation for Astrophysical Problems Via Nonlinear Transformation and Adaptive Bases
Ann Lee, Carnegie-Mellon University
10:00-10:30 Break
10:30-11:00 Analyzing Astronomical Data Sets Using Non-linear Random Effects Models
Brandon Kelly, Univ. of California-Berkeley
11:00-11:30 Bayes at the Frontier: The Promise and the Challenges
Harrison Prosper, Florida State University
11:30-12:00 Searching and Characterizing Small Transiting Planets using NASA's Kepler Mission
Eric Ford, University of Florida
12:00-2:00 Lunch
2:00-2:30 Automating Science in the Time-Domain Survey Era: Machine- Learning Challenges
Joshua Bloom, Univ. of California-Berkeley
2:30-3:00 Advances in Discovery and Classification for Time-Domain Astronomy
Joseph Richards, Univ. of California-Berkeley
3:00-3:30 Break
3:30-5:00 Panel Discussion on Future Directions
5:00 Conclusion and Adjourn