SLIDE 1 News from the The DESC Supernova Working Group
LSST- FRANCE 8 June 2016
Dominique Fouchez, CPPM
SLIDE 2 Supernovae Dark Energy science with LSST The DESC SN-WG program
Isotropy constraints Dark Energy constraints BAO with supernovae
SLIDE 3
Two LSST observing Cadences
Deep Drilling : Every day, multiple f i lters
Main survey : Every 3.5 days with one f i lter
SLIDE 4 The DESC Supernova WG
–
Recent increase thanks to new UK members
rst Friday of each month
–
Michael Wood-Vasey (change after summer)
–
Saurabh Jha
uence.slac.stanford.edu/display/LSSTDESC/Supernovae
- A RoadMap
- Data Challenges
SLIDE 5
Science Road Map
SLIDE 6
SRM – Key analysis
SLIDE 7
SRM – Data Challenge
SLIDE 8 Current activities (new and continuation)
Cadence Whitepaper Likelihood photometric analysis Twinkles
SN realizer / Mock catalog / SN host
Photometric classification
Lochner study (paper) Photometric classification workshop Hack day on Photometric classifier @ Oxford
SLIDE 9
March 2016 DESC Meeting SN-WG Highlights
SN realizator SN classification Complementary survey (WFIRST/SNFactory) Modeling PCA, Sugar Host galaxy correlation Image subtraction Observing strategy
SLIDE 10
March 2016 DESC Meeting SN-WG Highlights
SN realizator SN classification Complementary survey (WFIRST/SNFactory) Modeling PCA, Sugar Host galaxy correlation Image subtraction Observing strategy
SLIDE 11
SN realizer : Lightcurves
SLIDE 12
SN realizer : images from Phosim
SLIDE 13
March 2016 DESC Meeting SN-WG Highlights
SN realizator SN classification Complementary survey (WFIRST/SNFactory) Modeling PCA, Sugar Host galaxy correlation Image subtraction Observing strategy
SLIDE 14
SN Classif i cation : Distributed Stochastic Neighbour
Embedding (t-SNE)
SLIDE 15
SN classif i cation : BDT wins ...
SLIDE 16
March 2016 DESC Meeting SN-WG Highlights
SN realizator SN classification Complementary survey (WFIRST/SNFactory) Modeling PCA, Sugar Host galaxy correlation Image subtraction Observing strategy
SLIDE 17
SN host galaxies
SLIDE 18
SN host galaxies
SLIDE 19
March 2016 DESC Meeting SN-WG Highlights
SN realizator SN classification Complementary survey (WFIRST/SNFactory) Modeling PCA, Sugar Host galaxy correlation Image subtraction Observing strategy
SLIDE 20
Observing strategy :
SLIDE 21
Observing strategy
SLIDE 22
And Many French activities