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Title: Extending Supernova Spectral Templates for Next-generation Space Telescope Observations

Journal Article · · Publications of the Astronomical Society of the Pacific
ORCiD logo [1];  [2];  [3];  [4];  [5];  [6];  [7];  [3];  [8];  [9];  [10];  [11];  [12];  [13];  [10];  [13]
  1. Univ. of South Carolina, Columbia, SC (United States); DOE/OSTI
  2. Univ. of South Carolina, Columbia, SC (United States)
  3. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)
  4. New York Univ. (NYU), NY (United States)
  5. Univ. of California, Berkeley, CA (United States)
  6. Univ. of California, Santa Cruz, CA (United States)
  7. Univ. of California, San Diego, CA (United States)
  8. Univ. of California, San Diego, CA (United States); Univ. of California, Santa Cruz, CA (United States)
  9. Rutgers Univ., Piscataway, NJ (United States)
  10. Univ. of Chicago, IL (United States). Kavli Inst. for Cosmological Physics (KICP)
  11. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States); The Gordon and Betty Moore Foundation, Palo Alto, CA (United States)
  12. Univ. of Cambridge (United Kingdom)
  13. Space Telescope Science Institute, Baltimore, MD (United States)
+ Show Author Affiliations

Empirical models of supernova (SN) spectral energy distributions (SEDs) are widely used for SN survey simulations and photometric classifications. The existing library of SED models has excellent optical templates, but limited, poorly constrained coverage of ultraviolet (UV) and infrared (IR) wavelengths. However, both regimes are critical for the design and operation of future SN surveys, particularly at IR wavelengths that will be accessible with the James Webb Space Telescope and the Wide-Field Infrared Survey Telescope. We create a public repository of improved empirical SED templates using a sampling of Type Ia and core-collapse (CC) photometric light curves to extend the Type Ia parameterized SALT2 model and a set of SN Ib, SN Ic, and SN II SED templates into the UV and near-IR. We apply this new repository of extrapolated SN SED models to examine how future surveys can discriminate between CC and Type Ia SNe at UV and IR wavelengths, and present an open-source software package written in Python, SNSEDextend, that enables users to generate their own extrapolated SEDs.

Research Organization:
Rutgers University, Piscataway, NJ (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
SC0011636
OSTI ID:
1611641
Journal Information:
Publications of the Astronomical Society of the Pacific, Journal Name: Publications of the Astronomical Society of the Pacific Journal Issue: 993 Vol. 130; ISSN 0004-6280
Publisher:
Astronomical Society of the Pacific (ASP)Copyright Statement
Country of Publication:
United States
Language:
English

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The Standardizability of Type Ia Supernovae in the Near-Infrared: Evidence for a Peak Luminosity-Decline Rate Relation in the Near-Infrared text January 2012
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Cited By (9)

A New Method to Classify Type IIP/IIL Supernovae Based on Their Spectra journal February 2020
The Hubble Catalog of Variables (HCV) journal September 2019
Swift UVOT grism observations of nearby Type Ia supernovae – II. Probing the progenitor metallicity of SNe Ia with ultraviolet spectra journal December 2019
Turning Gravitationally Lensed Supernovae into Cosmological Probes journal May 2019
Type Ia Supernovae Are Excellent Standard Candles in the Near-infrared journal December 2019
The Foundation Supernova Survey: Measuring Cosmological Parameters with Supernovae from a Single Telescope journal August 2019
The Foundation Supernova Survey: Measuring Cosmological Parameters with Supernovae from a Single Telescope text January 2018
Type Ia Supernovae are Excellent Standard Candles in the Near-Infrared text January 2019
The Hubble Catalog of Variables (HCV) text January 2019

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