- Abstract:
-
We analyze the mean rest-frame ultraviolet (UV) spectrum of Type Ia Supernovae (SNe Ia) and its dispersion using high signal-to-noise Keck-I/LRIS-B spectroscopy for a sample of 36 events at intermediate redshift (z=0.5) discovered by the Canada-France-Hawaii Telescope Supernova Legacy Survey (SNLS). We introduce a new method for removing host galaxy contamination in our spectra, exploiting the comprehensive photometric coverage of the SNLS SNe and their host galaxies, thereby providing the fi...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1086/524981
-
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- Journal:
- Astrophys.J.
- Volume:
- 674
- Issue:
- 1
- Pages:
- 51-69
- Publication date:
- 2007-10-22
- DOI:
- EISSN:
-
1538-4357
- ISSN:
-
0004-637X
- URN:
-
uuid:e40b8646-b308-419b-98f3-feebd8ceff22
- Source identifiers:
-
6722
- Local pid:
- pubs:6722
- Keywords:
- Copyright date:
- 2007
- Notes:
- Accepted for publication in ApJ
Journal article
Verifying the Cosmological Utility of Type Ia Supernovae: Implications of a Dispersion in the Ultraviolet Spectra
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