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 Breakfast

Computing

Cosmo Sims: Current Mocks

1 Building mock catalogs using machine learning techniques

Speaker: Shirley Ho

Slides LSST-DESC-mock_shirley.pdf

2 Simulated Galaxy Catalogs

Speaker: Risa Wechsler

Slides LSST-DESC-simtalk-Dec13.pdf

3 SUNGLASS

Speaker: Alina Kiessling

4 ABC mock catalogs

Speaker: Salman Habib

Slides hacc_galacticus_3.pdf

Weak Lensing

5 Recent Progress in Non-Canonical WL Statistics

Speaker: Morgan May

Slides Non-canonical_statistics_progress2.pdf

6 Can we use galaxies to improve our knowledge of the PSF?

Speaker: Debbie Bard

Slides djbard-WL-stargal.pdf

7 Data management updates

Speaker: Jim Bosch

Slides 2013-12-04_Bosch_DESC_Meeting.pdf

Clusters

slides DESCian_1204.pdf

8 Task H-2--cluster lensing simulations

Speaker: Ian Dell'Antonio (Brown)

Photo-z

9 Welcome

Speaker: Jeff Newman

10 Photo-z PDF multi-technique estimation, storage and applications

Speaker: Matias Carrasco-Kind

Slides DESC_photoz_Matias.pdf

11 The Likelihood Ratio Method

Speaker: Jean-Stephane Ricol

Slides LRMethod.pdf

12 Filter shape effects in photo-z estimation

Speaker: Adeline Choyer

Slides ModifiedFilter_v2.pdf

13 Discussion

Supernovae

10:50 Coffee

Computing

Cosmo Sims: Mock Reqs.

14 Validation

Speaker: Joanne Cohn

Slides lsst_valid_correct.pptx

15 ImSim Inputs

Speaker: Simon Krughoff

16 Working Group Requests

Speaker: Debbie Bard

Slides djbard-simMocks.pdf

Weak Lensing

17 More about using the wavefront information

Speaker: Michael Schneider

Slides WFS_info_for_WL_Schneider.pptx

18 Bayesian Shear Estimation with the Bernstein-Armstrong method

Speaker: Erin Sheldon

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

19 Update on GREAT3 and its relevance for LSST DESC

Speaker: Rachel Mandelbaum

Slides lsst_great3_galsim.pptx

Clusters

slides DESCian_1204.pdf

Photo-z

20 Summary of current simulation tools

Speakers: Alex Abate, Sam Schimdt

Slides Abate.pdf

21 Simulations

Speaker: Eda Gjergo

Slides Gjergo_12_04_13_LSST_Pittsburgh.pdf

22 Microtasking

Speakers: Carlos Cunha, Jeff Newman

Slides tasks.pdf

Supernovae

12:30 Lunch

Cosmo Sims: ImSim Hands-On

23 CatSim/PhoSim

Speaker: Debbie Bard

Slides djbard-catsim-handson.pdf

Strong Lensing

Theory/Joint Probes

24 Combining photometric surveys with spectroscopic ones

Speaker: Sarah Bridle

Slides Bridle_pitt_same_sky_20131203.pptx

25 Magnification estimator

Speaker: Michael Schneider

Slides Cross-corr_estimator_Schneider.pdf

26 Updates from members

27 Discussion on software tools

28 Discussion on combining probes

Weak Lensing

29 N_eff estimate from comparison of ground / space data

Speaker: Will Dawson

Slides DESC_Pitt2013_Dawson.pdf

30 Update on studies of chromatic effects on weak lensing

Speaker: Josh Meyers

Slides Chromaticity.pdf

Clusters

slides DESCian_1204.pdf

31 Current status of simulations

Slides desc_applegate.pdf

Supernovae

15:00 Coffee

LSS

Conveners: Eric Gawiser, Shirley Ho

32 Survey Depth and Randoms

Speaker: Eduardo Rozo (KIPAC)

Slides LSS_depth.pdf

33 Mode-projection Tests for LSST

Speaker: Anthony Pullen (JPL)

Slides Pullen_DESC.pdf Pullen_interloper.pdf

34 Machine Learning, Systematics, and LSS

Speaker: Matias Carrasco-Kind (Illinois)

Slides DESC_LSS_Matias.pdf

35 Probing the Early Universe using Large Scale Structure

Speaker: Nishant Agarwal (CMU)

Slides Nishant_Agarwal__LSST.pdf

36 Fast, Accurate Galaxy Power Spectra with Cosmic Emulation

Speaker: Juliana Kwan (Argonne)

Slides lss.pdf

37 Big Dithers are Crucial for LSST Survey Uniformity

Speaker: Eric Gawiser (Rutgers)

Slides desc_lss_gawiser_dec13.pdf

Weak Lensing

38 Update on deblending studies

Speaker: David Kirkby

Slides Kirkby-WL-Deblending.pdf

39 To shoot or not to shoot. In-depth comparison between RTM and FTM

Speaker: James Jee

Clusters

slides DESCian_1204.pdf

Supernovae

Photo-z: Microtasking

40 Illinois

Slides microtasking_Matias.pdf

41 Arizona

Slides UA.pdf

Cosmo Sims: With photo-z

42 Photo-zs' needs: short and long term

Speaker: Carlos Cunha

Slides simsphotoz.pdf

43 Impact of SED uncertainty in cosmological constraints

Speaker: Sam Schimdt

Slides DESC_SED_knowledge.pdf

44 Simulations: present and future

Speaker: Katrin Heitmann

OPEN ROOM

Thursday 5 December

08:30 Breakfast

Plenary 1

45 Welcome from U. Pittsburgh

46 Welcome from CMU

47 Practical information

48 State of the Collaboration

Speaker: B Jain

Slides LSST_DESC_Pittsburgh_2013.pptx

49 Proposed Governance Plan and Membership Policy; Timeline for Future Elections

Speakers: F Gilman, P Burchat

Slides GovPlanMembPolicy.pdf LSSTDESCgovernanceTimeline.pdf

50 Governance: Open Time for Feedback

Speaker: P Burchat

51 Computing resources & models

Speaker: R Dubois

Slides Dubois-DESC-20131205-v1.pptx

10:50 Coffee

Plenary 1

52 Software Framework

Speaker: S Dodelson

Slides desc-pittsburgh.pptx

53 Highlight Projects: Computing

Slides Computing-DescPitt2013.pptx

54 Highlight Projects: Analysis

Speaker: J Newman

Slides HighlightProjects.pdf

55 Parallel Plans

12:30 Lunch

Intrinsic Alignments

Conveners: Alina Kiessling, Rachel Mandelbaum

56 Intrinsic alignment simulations

Speaker: Michael Schneider

Slides Halo_alignment_model_Schneider.pdf

57 Intrinsic alignments in hydro simulations

Speaker: Ananth Tenneti

Slides ananth_talk.pdf

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

Speaker: Michael Troxel

Slides DESC-Troxel-2013.pdf

59 Intrinsic alignments observations with SDSS-III

Speaker: Sukhdeep Singh

Slides Sukhdeep_IA_presentation.pdf

OPEN ROOM

Strong Lensing

Convener: Phil Marshall

Supernovae/Photo-z's: Simulations and Synergies

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

60 Photo-z simulations

Speaker: Eda Gjergo

Slides Gjergo_12_05_13_LSST_Pittsburgh_short_Plenary.pdf

61 Photo-z simulations

Speaker: A Abate

Slides simsummary2.pdf

62 Simulations Discussion

Speaker: A Abate

63 Synergies Discussion

Speaker: Michael Wood-Vasey

15:00 Coffee

Computing: Cross software working group meeting/user center

Convener: A Connolly

64 ImSim on Demand Concept

Slides Web_based_portal_for_DESC_simulation_studies.pdf

65 PanDA status

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

66 LSST & DES data

Slides LSST_DES_processing.pdf

67 OpsSim

Slides Wednesday-Computing-ridgway.pdf

68 CatSim & DM

69 Mission Computing at NERSC

Slides mchpc.pptx

Computing: PhoSim Power Users

Convener: J Peterson

70 Features of PhoSim You Might Not Know

Speaker: Wei Cui

Slides phosim-users.pdf

71 Validation and Predictions of Chromatic Effects in PhoSim

Speaker: Josh Myers

Slides Chromatic_Effects_in_PhoSim.pdf

72 Star/Galaxy Separation and the PhoSim Recipe Book

Speaker: Debbie Bard

Slides phosim-DESC-Dec2013.pdf

73 Atmosphere Model Exploration

Speaker: Michael Schneider

Slides PhoSim_use_cases_Schneider.pptx

74 What do we miss when we ray-trace?

Speaker: James Jee

Slides raytracing.pdf

75 Validation of Sensor Features in PhoSim

Speaker: Andrei Nomerotski

Slides NomerotskiSimulationsDESCmeeting20131205.pdf

OPEN ROOM

Theory/Joint Probes: Modified Gravity

Conveners: Rachel Bean, Salman Habib

76 Gravity on Cosmic Scales and LSST

Speaker: Eric Linder

Slides LinderLSSTgrav.pptx

77 Effect of massive neutrinos and dynamical dark energy on large scale structure

Speaker: Rahul Biswas

Slides DESC_neutrino_rbiswas.pdf

78 Discussion on modified gravity requirements for simulations

Slides theory_mg_bean.pptx

18:00 Banquet

Friday 6 December

08:30 Breakfast

Baryonic Effects and Dark Energy Cosmology

Convener: Andrew Zentner

79 Katrin Heitmann: State of the Art with N-Body

Slides Emu_DESC_Pitt_Dec2013.pdf

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

81 Tim Eifler: Mitigating Baryonic Effects using Principal Component Analysis

82 Discussion

Computing: CatSim -> PhoSim -> DM Stack hands-on demonstration

Conveners: Debbie Bard, Simon Krughoff

83 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

LSS: With photo-z: Cross-correlations, magnification, etc.

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

84 Dan Matthews: The cross-correlation technique and lensing magnification

Slides DESC_matthews.pdf

85 Mubdi Rahman: Unleashing the power of clustering redshifts

Slides Unleashing_the_Power_of_Clustering_Redshifts.pdf

86 Sam Schmidt: The CIB from Planck using cross-correlations

Slides Planck_CIB_DESC.pdf

87 Anthony Pullen: Interloper bias in emission line surveys

Slides Pullen_interloper.pdf

10:50 Coffee

Covariance Matrices

Convener: Michael Schneider

88 Cosmology Dependent Covariances with Cosmic Emulators

Speaker: Juliana Kwan (ANL)

Slides covariances.pdf

89 Dynamics Driving non-Gaussian Covariance & ALPT Mocks

Speaker: Mark Neyrinck (JHU)

Slides LSST_dec2013_neyrinck.key

90 How many simulations do we need to generate covariance matrices for LSST?

Speaker: Kiessling Alina (JPL)

91 Cosmology-dependent covariances

Speaker: Michael Schneider (LLNL)

Slides Covariance_models_Schneider.pptx

Deep simulated field for testing DM

Convener: Phil Marshall

OPEN ROOM

12:30 Lunch

Plenary 2

92 Governance Comments

Speaker: B Jain

Slides LSST_DESC_Pittsburgh_2013.pdf

93 Governance vote

Speaker: R Pain

Slides LSST_DESC_Pittsburgh_2013.pdf

94 Report from Workshop on Precision Astronomy with Fully Depleted CCDs

Speaker: A Nomerotski

Slides NomerotskiWorkshopSummary20131206.pdf

95 Updates on DM, PhoSim, and Catsim

Speaker: S Krughoff

Slides CAT_DM_update.pptx

96 Updates on OpSim

Speaker: S Ridgeway

Slides Friday-Plenary-ridgway.pdf

97 Update on CosmoSims & WG report

Speaker: K Heitmann

Slides CoSim_summ_Dec2013.pdf

98 Weak Lensing report

Slides Jarvis_2013_1206.pdf WGsummaries.pdf

99 Theory / Joint Probes Report

Slides TJP_report.pptx

100 Supernovae Report

Slides SN_summary.pdf

14:55 Coffee

Plenary 2

101 Strong Lensing Report

Slides SL_Plenary.key WGsummaries.pdf

102 Photo-z Report

Slides photoz.pdf

103 LSS Report

Slides desc_lss_plenary.pdf

104 Clusters Report

Slides lastday_slides_final.pptx

105 Updates from the Technical Coordinator

Speaker: C Stubbs

Slides DESC_12_2013.pptx

106 Report of the LSST Director / FDR Feedback

Speaker: S Kahn

Slides LSST_Director's_Report_to_DESC.pptx

107 Closing

Slides WGsummaries.pdf