Figure 1 from FLASH SPECTROSCOPY: EMISSION LINES FROM THE IONIZED CIRCUMSTELLAR MATERIAL AROUND <10-DAY-OLD TYPE II SUPERNOVAE

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FLASH SPECTROSCOPY: EMISSION LINES FROM THE IONIZED CIRCUMSTELLAR MATERIAL AROUND <10-DAY-OLD TYPE II SUPERNOVAE

Authors: D. Khazov, O. Yaron, A. Gal-Yam, I. Manulis, A. Rubin, S. R. Kulkarni, I. Arcavi, M. M. Kasliwal, E. O. Ofek, Y. Cao, D. Perley, J. Sollerman, A. Horesh, M. Sullivan, A. V. Filippenko, P. E. Nugent, D. A. Howell, S. B. Cenko, J. M. Silverman, H. Ebeling, F. Taddia, J. Johansson, R. R. Laher, J. Surace, U. D. Rebbapragada, P. R. Wozniak, and T. Matheson

2016 The Astrophysical Journal 818 3.

Provider: AAS Journals

Caption: Figure 1.

(a) Distribution by type of all 103 CC SNe whose first spectrum was taken <10 days after the time of the pre-explosion limit. Of these, 84 are SNe II. (b) Type distribution of events with BF first spectra (28 total). (c) Type distribution of FI SNe (12 total). There is only a single, featureless spectrum of the “unknown” SN, not enough for classification.

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