LSST Dark Energy Science Collaboration Meeting

4 Dec 2013, 08:00 → 6 Dec 2013, 18:00 US/Eastern

University of Pittsburgh

Wednesday 4 December

08:30 → 09:30 Breakfast

09:30 → 10:50 Computing

09:30 → 10:50 Cosmo Sims: Current Mocks

09:30 Building mock catalogs using machine learning techniques

Speaker: Shirley Ho

Slides LSST-DESC-mock_shirley.pdf

09:50 Simulated Galaxy Catalogs

Speaker: Risa Wechsler

Slides LSST-DESC-simtalk-Dec13.pdf

10:10 SUNGLASS

Speaker: Alina Kiessling

10:30 ABC mock catalogs

Speaker: Salman Habib

Slides hacc_galacticus_3.pdf

09:30 → 10:50 Weak Lensing

09:30 Recent Progress in Non-Canonical WL Statistics

Speaker: Morgan May

Slides Non-canonical_statistics_progress2.pdf

09:55 Can we use galaxies to improve our knowledge of the PSF?

Speaker: Debbie Bard

Slides djbard-WL-stargal.pdf

10:20 Data management updates

Speaker: Jim Bosch

Slides 2013-12-04_Bosch_DESC_Meeting.pdf

09:30 → 10:50 Clusters

slides DESCian_1204.pdf

09:30 Task H-2--cluster lensing simulations

Speaker: Ian Dell'Antonio (Brown)

09:30 → 10:50 Photo-z

09:30 Welcome

Speaker: Jeff Newman

09:35 Photo-z PDF multi-technique estimation, storage and applications

Speaker: Matias Carrasco-Kind

Slides DESC_photoz_Matias.pdf

09:55 The Likelihood Ratio Method

Speaker: Jean-Stephane Ricol

Slides LRMethod.pdf

10:10 Filter shape effects in photo-z estimation

Speaker: Adeline Choyer

Slides ModifiedFilter_v2.pdf

10:25 Discussion

09:30 → 10:50 Supernovae

10:50 → 11:10 Coffee

11:10 → 12:30 Computing

11:10 → 12:30 Cosmo Sims: Mock Reqs.

11:10 Validation

Speaker: Joanne Cohn

Slides lsst_valid_correct.pptx

11:30 ImSim Inputs

Speaker: Simon Krughoff

11:50 Working Group Requests

Speaker: Debbie Bard

Slides djbard-simMocks.pdf

11:10 → 12:30 Weak Lensing

11:10 More about using the wavefront information

Speaker: Michael Schneider

Slides WFS_info_for_WL_Schneider.pptx

11:40 Bayesian Shear Estimation with the Bernstein-Armstrong method

Speaker: Erin Sheldon

Slides 2013-12-04-pitt-lsst.pdf

12:10 Update on GREAT3 and its relevance for LSST DESC

Speaker: Rachel Mandelbaum

Slides lsst_great3_galsim.pptx

11:10 → 12:30 Clusters

slides DESCian_1204.pdf

11:10 → 12:30 Photo-z

11:10 Summary of current simulation tools

Speakers: Alex Abate, Sam Schimdt

Slides Abate.pdf

11:20 Simulations

Speaker: Eda Gjergo

Slides Gjergo_12_04_13_LSST_Pittsburgh.pdf

11:40 Microtasking

Speakers: Carlos Cunha, Jeff Newman

Slides tasks.pdf

11:10 → 12:30 Supernovae

12:30 → 13:30 Lunch

13:30 → 15:00 Cosmo Sims: ImSim Hands-On

13:30 CatSim/PhoSim

Speaker: Debbie Bard

Slides djbard-catsim-handson.pdf

13:30 → 15:00 Strong Lensing

13:30 → 15:00 Theory/Joint Probes

13:30 Combining photometric surveys with spectroscopic ones

Speaker: Sarah Bridle

Slides Bridle_pitt_same_sky_20131203.pptx

13:40 Magnification estimator

Speaker: Michael Schneider

Slides Cross-corr_estimator_Schneider.pdf

14:00 Updates from members

14:15 Discussion on software tools

14:35 Discussion on combining probes

13:30 → 15:00 Weak Lensing

13:30 N_eff estimate from comparison of ground / space data

Speaker: Will Dawson

Slides DESC_Pitt2013_Dawson.pdf

14:10 Update on studies of chromatic effects on weak lensing

Speaker: Josh Meyers

Slides Chromaticity.pdf

13:30 → 15:00 Clusters

slides DESCian_1204.pdf

13:30 Current status of simulations

Slides desc_applegate.pdf

13:30 → 15:00 Supernovae

15:00 → 15:30 Coffee

15:30 → 17:30 LSS

Conveners: Eric Gawiser, Shirley Ho

15:30 Survey Depth and Randoms

Speaker: Eduardo Rozo (KIPAC)

Slides LSS_depth.pdf

15:45 Mode-projection Tests for LSST

Speaker: Anthony Pullen (JPL)

Slides Pullen_DESC.pdf Pullen_interloper.pdf

16:00 Machine Learning, Systematics, and LSS

Speaker: Matias Carrasco-Kind (Illinois)

Slides DESC_LSS_Matias.pdf

16:15 Probing the Early Universe using Large Scale Structure

Speaker: Nishant Agarwal (CMU)

Slides Nishant_Agarwal__LSST.pdf

16:30 Fast, Accurate Galaxy Power Spectra with Cosmic Emulation

Speaker: Juliana Kwan (Argonne)

Slides lss.pdf

16:45 Big Dithers are Crucial for LSST Survey Uniformity

Speaker: Eric Gawiser (Rutgers)

Slides desc_lss_gawiser_dec13.pdf

15:30 → 16:30 Weak Lensing

15:30 Update on deblending studies

Speaker: David Kirkby

Slides Kirkby-WL-Deblending.pdf

16:00 To shoot or not to shoot. In-depth comparison between RTM and FTM

Speaker: James Jee

15:30 → 17:30 Clusters

slides DESCian_1204.pdf

15:30 → 17:30 Supernovae

16:00 → 16:30 Photo-z: Microtasking

16:00 Illinois

Slides microtasking_Matias.pdf

16:01 Arizona

Slides UA.pdf

16:30 → 17:30 Cosmo Sims: With photo-z

16:30 Photo-zs' needs: short and long term

Speaker: Carlos Cunha

Slides simsphotoz.pdf

16:40 Impact of SED uncertainty in cosmological constraints

Speaker: Sam Schimdt

Slides DESC_SED_knowledge.pdf

16:55 Simulations: present and future

Speaker: Katrin Heitmann

16:30 → 18:30 OPEN ROOM

Thursday 5 December

08:30 → 09:30 Breakfast

09:30 → 10:50 Plenary 1

09:30 Welcome from U. Pittsburgh

09:35 Welcome from CMU

09:40 Practical information

09:45 State of the Collaboration

Speaker: B Jain

Slides LSST_DESC_Pittsburgh_2013.pptx

09:55 Proposed Governance Plan and Membership Policy; Timeline for Future Elections

Speakers: F Gilman, P Burchat

Slides GovPlanMembPolicy.pdf LSSTDESCgovernanceTimeline.pdf

10:15 Governance: Open Time for Feedback

Speaker: P Burchat

10:35 Computing resources & models

Speaker: R Dubois

Slides Dubois-DESC-20131205-v1.pptx

10:50 → 11:10 Coffee

11:10 → 12:30 Plenary 1

11:10 Software Framework

Speaker: S Dodelson

Slides desc-pittsburgh.pptx

11:30 Highlight Projects: Computing

Slides Computing-DescPitt2013.pptx

11:40 Highlight Projects: Analysis

Speaker: J Newman

Slides HighlightProjects.pdf

12:25 Parallel Plans

12:30 → 13:30 Lunch

13:30 → 15:00 Intrinsic Alignments

Conveners: Alina Kiessling, Rachel Mandelbaum

13:30 Intrinsic alignment simulations

Speaker: Michael Schneider

Slides Halo_alignment_model_Schneider.pdf

13:50 Intrinsic alignments in hydro simulations

Speaker: Ananth Tenneti

Slides ananth_talk.pdf

14:10 Self-calibrating the intrinsic alignment signal: methods for indirect measurement

Speaker: Michael Troxel

Slides DESC-Troxel-2013.pdf

14:30 Intrinsic alignments observations with SDSS-III

Speaker: Sukhdeep Singh

Slides Sukhdeep_IA_presentation.pdf

13:30 → 15:00 OPEN ROOM

13:30 → 15:00 Strong Lensing

Convener: Phil Marshall

13:30 → 15:00 Supernovae/Photo-z's: Simulations and Synergies

Conveners: Alex Abate, Jeffrey Newman (U. Pittsburgh)

13:30 Photo-z simulations

Speaker: Eda Gjergo

Slides Gjergo_12_05_13_LSST_Pittsburgh_short_Plenary.pdf

13:40 Photo-z simulations

Speaker: A Abate

Slides simsummary2.pdf

13:50 Simulations Discussion

Speaker: A Abate

14:10 Synergies Discussion

Speaker: Michael Wood-Vasey

15:00 → 15:30 Coffee

15:30 → 17:00 Computing: Cross software working group meeting/user center

Convener: A Connolly

15:30 ImSim on Demand Concept

Slides Web_based_portal_for_DESC_simulation_studies.pdf

15:45 PanDA status

Slides 20131205-Wenaus-PanDA-LSST-DESC.pptx

15:55 LSST & DES data

Slides LSST_DES_processing.pdf

16:10 OpsSim

Slides Wednesday-Computing-ridgway.pdf

16:25 CatSim & DM

16:35 Mission Computing at NERSC

Slides mchpc.pptx

15:30 → 17:30 Computing: PhoSim Power Users

Convener: J Peterson

15:30 Features of PhoSim You Might Not Know

Speaker: Wei Cui

Slides phosim-users.pdf

15:50 Validation and Predictions of Chromatic Effects in PhoSim

Speaker: Josh Myers

Slides Chromatic_Effects_in_PhoSim.pdf

16:10 Star/Galaxy Separation and the PhoSim Recipe Book

Speaker: Debbie Bard

Slides phosim-DESC-Dec2013.pdf

16:30 Atmosphere Model Exploration

Speaker: Michael Schneider

Slides PhoSim_use_cases_Schneider.pptx

16:50 What do we miss when we ray-trace?

Speaker: James Jee

Slides raytracing.pdf

17:10 Validation of Sensor Features in PhoSim

Speaker: Andrei Nomerotski

Slides NomerotskiSimulationsDESCmeeting20131205.pdf

15:30 → 17:00 OPEN ROOM

15:30 → 17:00 Theory/Joint Probes: Modified Gravity

Conveners: Rachel Bean, Salman Habib

15:30 Gravity on Cosmic Scales and LSST

Speaker: Eric Linder

Slides LinderLSSTgrav.pptx

16:00 Effect of massive neutrinos and dynamical dark energy on large scale structure

Speaker: Rahul Biswas

Slides DESC_neutrino_rbiswas.pdf

16:30 Discussion on modified gravity requirements for simulations

Slides theory_mg_bean.pptx

18:00 → 21:00 Banquet

Friday 6 December

08:30 → 09:30 Breakfast

09:30 → 10:50 Baryonic Effects and Dark Energy Cosmology

Convener: Andrew Zentner

09:30 Katrin Heitmann: State of the Art with N-Body

Slides Emu_DESC_Pitt_Dec2013.pdf

09:50 Andrew Zentner: Baryonic Effects on Dark Energy Constraints from Lensing & Mitigation Strategies

10:10 Tim Eifler: Mitigating Baryonic Effects using Principal Component Analysis

10:30 Discussion

09:30 → 10:50 Computing: CatSim -> PhoSim -> DM Stack hands-on demonstration

Conveners: Debbie Bard, Simon Krughoff

09:30 Videos from Simon Krughoff, text from Debbie Bard

Speaker: S Krughoff

Slides

• part1.mov
• part2.mov
• part3.mov
• part4.mov

text Another walkthough from Debbie Bard: Text description of how I: 1) make a galaxy catalogue and upload it to an sql database 2) query the opsim database to find an appropriate observation 3) use catsim to query the db 4) run the resulting instance catalogue through phosim

09:30 → 10:50 LSS: With photo-z: Cross-correlations, magnification, etc.

Conveners: Jeffrey Newman (U. Pittsburgh), Shirley Ho

09:30 Dan Matthews: The cross-correlation technique and lensing magnification

Slides DESC_matthews.pdf

09:50 Mubdi Rahman: Unleashing the power of clustering redshifts

Slides Unleashing_the_Power_of_Clustering_Redshifts.pdf

10:00 Sam Schmidt: The CIB from Planck using cross-correlations

Slides Planck_CIB_DESC.pdf

10:10 Anthony Pullen: Interloper bias in emission line surveys

Slides Pullen_interloper.pdf

10:50 → 11:10 Coffee

11:10 → 12:30 Covariance Matrices

Convener: Michael Schneider

11:10 Cosmology Dependent Covariances with Cosmic Emulators

Speaker: Juliana Kwan (ANL)

Slides covariances.pdf

11:30 Dynamics Driving non-Gaussian Covariance & ALPT Mocks

Speaker: Mark Neyrinck (JHU)

Slides LSST_dec2013_neyrinck.key

11:50 How many simulations do we need to generate covariance matrices for LSST?

Speaker: Kiessling Alina (JPL)

12:10 Cosmology-dependent covariances

Speaker: Michael Schneider (LLNL)

Slides Covariance_models_Schneider.pptx

11:10 → 12:30 Deep simulated field for testing DM

Convener: Phil Marshall

11:10 → 12:30 OPEN ROOM

12:30 → 13:30 Lunch

13:30 → 14:55 Plenary 2

13:30 Governance Comments

Speaker: B Jain

Slides LSST_DESC_Pittsburgh_2013.pdf

13:35 Governance vote

Speaker: R Pain

Slides LSST_DESC_Pittsburgh_2013.pdf

13:45 Report from Workshop on Precision Astronomy with Fully Depleted CCDs

Speaker: A Nomerotski

Slides NomerotskiWorkshopSummary20131206.pdf

14:00 Updates on DM, PhoSim, and Catsim

Speaker: S Krughoff

Slides CAT_DM_update.pptx

14:15 Updates on OpSim

Speaker: S Ridgeway

Slides Friday-Plenary-ridgway.pdf

14:25 Update on CosmoSims & WG report

Speaker: K Heitmann

Slides CoSim_summ_Dec2013.pdf

14:40 Weak Lensing report

Slides Jarvis_2013_1206.pdf WGsummaries.pdf

14:45 Theory / Joint Probes Report

Slides TJP_report.pptx

14:50 Supernovae Report

Slides SN_summary.pdf

14:55 → 15:10 Coffee

15:10 → 16:30 Plenary 2

15:10 Strong Lensing Report

Slides SL_Plenary.key WGsummaries.pdf

15:15 Photo-z Report

Slides photoz.pdf

15:20 LSS Report

Slides desc_lss_plenary.pdf

15:25 Clusters Report

Slides lastday_slides_final.pptx

15:30 Updates from the Technical Coordinator

Speaker: C Stubbs

Slides DESC_12_2013.pptx

15:45 Report of the LSST Director / FDR Feedback

Speaker: S Kahn

Slides LSST_Director's_Report_to_DESC.pptx

16:05 Closing

Slides WGsummaries.pdf