The chemical composition of the ejecta of the rare type IIb supernova 2013df

T. Szalai, J. Vinkó, J. M. Silverman, G. H. Marion, J. C. Wheeler, G. Dhungana, R. Kehoe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

SN 2013df, appeared in the nearby galaxy NGC 4414 at a distance of ∼17 Mpc, is a type IIb supernova. Members of this subclass are intermediate between the hydrogen-rich type II-P SNe and the hydrogen-poor, stripped envelope Type Ib/c explosions. Their progenitors are thought to be massive (∼20 MO;) stars, which may have interacting binary companions. Up to now, detailed analyses have been published on only a few type IIb SNe observed from the very early phases. Thus, it is important to study well-observed individual objects as thoroughly as possible. Our team collected a sample of high-quality data on SN 2013df. Here we present the results of our spectroscopic analysis based on 6 optical spectra obtained between June 13 and July 8, 2013 with the 9.2m Hobby-Eberly Telescope (HET) Marcario Low Resolution Spectrograph (LRS) at McDonald Observatory, Texas. We applied the SYN++/SYNAPPS spectral synthesis codes to get information on the chemical composition and physical properties of the ejecta. The spectral evolution, based on the comparison with other type IIb SNe 1993J and 2011dh, is also presented and discussed.

Original languageEnglish
Title of host publicationProceedings of Science
PublisherProceedings of Science (PoS)
Volume07-11-July-2015
Publication statusPublished - 2014
Event13th Nuclei in the Cosmos, NIC 2014 - Debrecen, Hungary
Duration: Jul 7 2014Jul 11 2014

Other

Other13th Nuclei in the Cosmos, NIC 2014
CountryHungary
CityDebrecen
Period7/7/147/11/14

Fingerprint

ejecta
supernovae
chemical composition
spectroscopic analysis
hydrogen
spectrographs
explosions
optical spectrum
observatories
envelopes
physical properties
telescopes
galaxies
stars
synthesis

ASJC Scopus subject areas

  • General

Cite this

Szalai, T., Vinkó, J., Silverman, J. M., Marion, G. H., Wheeler, J. C., Dhungana, G., & Kehoe, R. (2014). The chemical composition of the ejecta of the rare type IIb supernova 2013df. In Proceedings of Science (Vol. 07-11-July-2015). [162] Proceedings of Science (PoS).

The chemical composition of the ejecta of the rare type IIb supernova 2013df. / Szalai, T.; Vinkó, J.; Silverman, J. M.; Marion, G. H.; Wheeler, J. C.; Dhungana, G.; Kehoe, R.

Proceedings of Science. Vol. 07-11-July-2015 Proceedings of Science (PoS), 2014. 162.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Szalai, T, Vinkó, J, Silverman, JM, Marion, GH, Wheeler, JC, Dhungana, G & Kehoe, R 2014, The chemical composition of the ejecta of the rare type IIb supernova 2013df. in Proceedings of Science. vol. 07-11-July-2015, 162, Proceedings of Science (PoS), 13th Nuclei in the Cosmos, NIC 2014, Debrecen, Hungary, 7/7/14.
Szalai T, Vinkó J, Silverman JM, Marion GH, Wheeler JC, Dhungana G et al. The chemical composition of the ejecta of the rare type IIb supernova 2013df. In Proceedings of Science. Vol. 07-11-July-2015. Proceedings of Science (PoS). 2014. 162
Szalai, T. ; Vinkó, J. ; Silverman, J. M. ; Marion, G. H. ; Wheeler, J. C. ; Dhungana, G. ; Kehoe, R. / The chemical composition of the ejecta of the rare type IIb supernova 2013df. Proceedings of Science. Vol. 07-11-July-2015 Proceedings of Science (PoS), 2014.
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AB - SN 2013df, appeared in the nearby galaxy NGC 4414 at a distance of ∼17 Mpc, is a type IIb supernova. Members of this subclass are intermediate between the hydrogen-rich type II-P SNe and the hydrogen-poor, stripped envelope Type Ib/c explosions. Their progenitors are thought to be massive (∼20 MO;) stars, which may have interacting binary companions. Up to now, detailed analyses have been published on only a few type IIb SNe observed from the very early phases. Thus, it is important to study well-observed individual objects as thoroughly as possible. Our team collected a sample of high-quality data on SN 2013df. Here we present the results of our spectroscopic analysis based on 6 optical spectra obtained between June 13 and July 8, 2013 with the 9.2m Hobby-Eberly Telescope (HET) Marcario Low Resolution Spectrograph (LRS) at McDonald Observatory, Texas. We applied the SYN++/SYNAPPS spectral synthesis codes to get information on the chemical composition and physical properties of the ejecta. The spectral evolution, based on the comparison with other type IIb SNe 1993J and 2011dh, is also presented and discussed.

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