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Title: Nebular spectra of 111 Type Ia supernovae disfavour single-degenerate progenitors

Abstract

ABSTRACT We place statistical constraints on Type Ia supernova (SN Ia) progenitors using 227 nebular-phase spectra of 111 SNe Ia. We find no evidence of stripped companion emission in any of the nebular-phase spectra. Upper limits are placed on the amount of mass that could go undetected in each spectrum using recent hydrodynamic simulations. With these null detections, we place an observational 3σ upper limit on the fraction of SNe Ia that are produced through the classical H-rich non-degenerate companion scenario of $$\lt 5.5 {{\ \rm per\ cent}}$$. Additionally, we set a tentative 3σ upper limit otan He star progenitor scenarios of $$\lt 6.4 {{\ \rm per\ cent}}$$, although further theoretical modelling is required. These limits refer to our most representative sample including normal, 91bg-like, 91T-like, and ‘super-Chandrasekhar’ SNe Ia but excluding SNe Iax and SNe Ia-CSM. As part of our analysis, we also derive a Nebular Phase Phillips Relation, which approximates the brightness of an SN Ia from 150 to 500 d after maximum using the peak magnitude and decline rate parameter Δm15(B).

Authors:
ORCiD logo [1];  [1]; ORCiD logo [2];  [3];  [4];  [5];  [3];  [6];  [2];  [7]; ORCiD logo [8];  [9];  [9];  [10];  [11];  [11];  [12];  [3]
  1. Institute for Astronomy, University of Hawai‘i at Manoa, 2680 Woodlawn Dr., Honolulu, Hi 96822, USA
  2. Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA
  3. Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA, Center for Cosmology and AstroParticle Physics (CCAPP), The Ohio State University, 191 W. Woodruff Avenue, Columbus, OH 43210, USA
  4. Núcleo de Astronomía de la Facultad de Ingeniería y Ciencias, Universidad Diego Portales, Av. Ejército 441, Santiago, Chile, Millennium Institute of Astrophysics, Santiago, Chile
  5. Physics Department, University of California, Berkeley, CA 94720, USA
  6. European Southern Observatory, Alonso de Cordova 3107 Casilla 19001, Vitacura, Santiago, Chile
  7. PITT PACC, Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, USA
  8. Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101, USA
  9. Department of Physics, Florida State University, 77 Chieftan Way, Tallahassee, FL 32306, USA
  10. Finnish Centre for Astronomy with ESO (FINCA), University of Turku, FI-20014 Turku, Finland, Tuorla Observatory, Department of Physics and Astronomy, University of Turku, FI-20014 Turku, Finland
  11. Las Campanas Observatory, Carnegie Observatories, Casilla 601, La Serena, Chile
  12. Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, DK-8000 Aarhus C, Denmark
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1601006
Grant/Contract Number:  
[SC0019323]
Resource Type:
Published Article
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
[Journal Name: Monthly Notices of the Royal Astronomical Society Journal Volume: 493 Journal Issue: 1]; Journal ID: ISSN 0035-8711
Publisher:
Oxford University Press
Country of Publication:
United Kingdom
Language:
English

Citation Formats

Tucker, M. A., Shappee, B. J., Vallely, P. J., Stanek, K. Z., Prieto, J. L., Botyanszki, J., Kochanek, C. S., Anderson, J. P., Brown, J., Galbany, L., Holoien, T. W-S, Hsiao, E. Y., Kumar, S., Kuncarayakti, H., Morrell, N., Phillips, M. M., Stritzinger, M. D., and Thompson, Todd A. Nebular spectra of 111 Type Ia supernovae disfavour single-degenerate progenitors. United Kingdom: N. p., 2019. Web. doi:10.1093/mnras/stz3390.
Tucker, M. A., Shappee, B. J., Vallely, P. J., Stanek, K. Z., Prieto, J. L., Botyanszki, J., Kochanek, C. S., Anderson, J. P., Brown, J., Galbany, L., Holoien, T. W-S, Hsiao, E. Y., Kumar, S., Kuncarayakti, H., Morrell, N., Phillips, M. M., Stritzinger, M. D., & Thompson, Todd A. Nebular spectra of 111 Type Ia supernovae disfavour single-degenerate progenitors. United Kingdom. doi:10.1093/mnras/stz3390.
Tucker, M. A., Shappee, B. J., Vallely, P. J., Stanek, K. Z., Prieto, J. L., Botyanszki, J., Kochanek, C. S., Anderson, J. P., Brown, J., Galbany, L., Holoien, T. W-S, Hsiao, E. Y., Kumar, S., Kuncarayakti, H., Morrell, N., Phillips, M. M., Stritzinger, M. D., and Thompson, Todd A. Wed . "Nebular spectra of 111 Type Ia supernovae disfavour single-degenerate progenitors". United Kingdom. doi:10.1093/mnras/stz3390.
@article{osti_1601006,
title = {Nebular spectra of 111 Type Ia supernovae disfavour single-degenerate progenitors},
author = {Tucker, M. A. and Shappee, B. J. and Vallely, P. J. and Stanek, K. Z. and Prieto, J. L. and Botyanszki, J. and Kochanek, C. S. and Anderson, J. P. and Brown, J. and Galbany, L. and Holoien, T. W-S and Hsiao, E. Y. and Kumar, S. and Kuncarayakti, H. and Morrell, N. and Phillips, M. M. and Stritzinger, M. D. and Thompson, Todd A.},
abstractNote = {ABSTRACT We place statistical constraints on Type Ia supernova (SN Ia) progenitors using 227 nebular-phase spectra of 111 SNe Ia. We find no evidence of stripped companion emission in any of the nebular-phase spectra. Upper limits are placed on the amount of mass that could go undetected in each spectrum using recent hydrodynamic simulations. With these null detections, we place an observational 3σ upper limit on the fraction of SNe Ia that are produced through the classical H-rich non-degenerate companion scenario of $\lt 5.5 {{\ \rm per\ cent}}$. Additionally, we set a tentative 3σ upper limit otan He star progenitor scenarios of $\lt 6.4 {{\ \rm per\ cent}}$, although further theoretical modelling is required. These limits refer to our most representative sample including normal, 91bg-like, 91T-like, and ‘super-Chandrasekhar’ SNe Ia but excluding SNe Iax and SNe Ia-CSM. As part of our analysis, we also derive a Nebular Phase Phillips Relation, which approximates the brightness of an SN Ia from 150 to 500 d after maximum using the peak magnitude and decline rate parameter Δm15(B).},
doi = {10.1093/mnras/stz3390},
journal = {Monthly Notices of the Royal Astronomical Society},
number = [1],
volume = [493],
place = {United Kingdom},
year = {2019},
month = {12}
}

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DOI: 10.1093/mnras/stz3390

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