Pushing the Redshi- Detec0on Limits of Supernovae
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1 Pushing the Redshi- Detec0on Limits of Supernovae Chris Curtin Jeff Cooke, Tyler Pritchard, Stephanie Bernard
2 Superluminous Supernovae Definition M > -21 Types I, II, R UV Bright Long Lived Applications EoR Contributors Distance Indicators Line-of-sight Probes to z~20 etc. Rates 1 per 10,000 CC SNe (Quimby+ 2013) Rate Analysis Prefer Low-metallicity Hosts (Compact Dwarfs Locally, Perely+ 2016) Rates Enhanced in These Types (Perhaps 1 per 200 CC SNe) Search Methods Go Wide or Go Deep (or go home)
3 Going Deep 4m+ Telescope Large Field of View Long Baseline Not Easy, But Now Possible
4 DES
5 DES
6 DES Limiting Magnitude (Difference Imaging) 10 Fields with Necessary Cadence (30 sq deg) Redshift Limit for SLSNe ~ Detects ALL Transients
7 SUDSS
8 SUDSS
9 SUDSS Limiting Magnitude (Difference Imaging) 4 More Fields + 4 Overlapping (24 sq deg) Redshift Limit for SLSNe ~ Detects ALL Transients Dedicated to SLSNe
10 u-sudss
11 u-sudss
12 u-sudss Limiting Magnitude ~ (LBG S&M) 3 SUDSS Fields, 2 Overlapping (9 sq deg) Redshift Range for SLSNe ~ 2-6 Detects ONLY High-z Transients Requires Deep u-band
13 LBG Selection and Monitoring CFHT Legacy Survey 6 years, 4 sq deg, ugriz, m < 27.5* Monitor for Brightening More Sensitive than Difference Imaging FUV Photometry 95% Efficient High-z LBG Selection Cooke+ 2012
14 LBG Selection and Monitoring CFHT Legacy Survey 6 years, 4 sq deg, ugriz, m < 27.5* Monitor for Brightening More Sensitive than Difference Imaging FUV Photometry 95% Efficient High-z LBG Selection Cooke+ 2012
15 LBG Selection and Monitoring CFHT Legacy Survey 6 years, 4 sq deg, ugriz, m < 27.5* Monitor for Brightening More Sensitive than Difference Imaging FUV Photometry 95% Efficient High-z LBG Selection Cooke+ 2012
16 LBG Selection and Monitoring CFHT Legacy Survey 6 years, 4 sq deg, ugriz, m < 27.5* Monitor for Brightening More Sensitive than Difference Imaging FUV Photometry 95% Efficient High-z LBG Selection Cooke+ 2012
17 LBG Selection and Monitoring CFHT Legacy Survey 6 years, 4 sq deg, ugriz, m < 27.5* Monitor for Brightening More Sensitive than Difference Imaging FUV Photometry 95% Efficient High-z LBG Selection Cooke+ 2012
18 LBG Selection and Monitoring CFHT Legacy Survey 6 years, 4 sq deg, ugriz, m < 27.5* Monitor for Brightening More Sensitive than Difference Imaging FUV Photometry 95% Efficient High-z LBG Selection Cooke+ 2012
19 LBG Selection and Monitoring CFHT Legacy Survey 6 years, 4 sq deg, ugriz, m < 27.5* Monitor for Brightening More Sensitive than Difference Imaging FUV Photometry 95% Efficient High-z LBG Selection z=3.9(!) Cooke+ 2012
20 DES CDFS Deepfield 3AM August CTIO
21 DES CDFS Deepfield 3AM August CTIO
22 DECam CCD Mosaic
23 DECam CCD Mosaic
24 DECam CCD Mosaic
25 DES CDFS Deepfield Superstack < 27.5 mag (i)
26 DES CDFS Deepfield Superstack < 27.5 mag (i)
27 The State of Rates
28 The State of Rates
29 Perley The State of Rates
30 Perley The State of Rates
31 Perley The State of Rates
32 Perley The State of Rates
33 Perley The State of Rates
34 Perley The State of Rates
35 Looking Ahead SLSNe currently detectable to z~6 usudss z~ Candidates usudss z~4 9 Candidates usudss z~5+ No Candidates Yet (or ever, but talk to Tyler Pritchard about unpublished CFHT events) Spectra obtainable to z~4 Keck time in November, aiming for spectrum of z>2.5 ongoing SLSNe. Will be FUV (due to redshift) Detectability can already be extended Subaru HSC, z > 8 pre-jwst KDUST, z~20 pre-tmt
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