A statistical analysis of circumstellar material in Type Ia supernovae

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A statistical analysis of circumstellar material in Type Ia supernovae. / Maguire, K.; Sullivan, M.; Patat, F. et al.
In: Monthly Notices of the Royal Astronomical Society, Vol. 436, No. 1, 21.11.2013, p. 222-240.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Maguire, K, Sullivan, M, Patat, F, Gal-Yam, A, Hook, IM, Dhawan, S, Howell, DA, Mazzali, P, Nugent, PE, Pan, Y-C, Podsiadlowski, P, Simon, JD, Sternberg, A, Valenti, S, Baltay, C, Bersier, D, Blagorodnova, N, Chen, T-W, Ellman, N, Feindt, U, Foerster, F, Fraser, M, Gonzalez-Gaitan, S, Graham, ML, Gutierrez, C, Hachinger, S, Hadjiyska, E, Inserra, C, Knapic, C, Laher, RR, Leloudas, G, Margheim, S, McKinnon, R, Molinaro, M, Morrell, N, Ofek, EO, Rabinowitz, D, Rest, A, Sand, D, Smareglia, R, Smartt, SJ, Taddia, F, Walker, ES, Walton, NA & Young, DR 2013, 'A statistical analysis of circumstellar material in Type Ia supernovae', Monthly Notices of the Royal Astronomical Society, vol. 436, no. 1, pp. 222-240. https://doi.org/10.1093/mnras/stt1586

APA

Maguire, K., Sullivan, M., Patat, F., Gal-Yam, A., Hook, I. M., Dhawan, S., Howell, D. A., Mazzali, P., Nugent, P. E., Pan, Y. -C., Podsiadlowski, P., Simon, J. D., Sternberg, A., Valenti, S., Baltay, C., Bersier, D., Blagorodnova, N., Chen, T. -W., Ellman, N., ... Young, D. R. (2013). A statistical analysis of circumstellar material in Type Ia supernovae. Monthly Notices of the Royal Astronomical Society, 436(1), 222-240. https://doi.org/10.1093/mnras/stt1586

Vancouver

Maguire K, Sullivan M, Patat F, Gal-Yam A, Hook IM, Dhawan S et al. A statistical analysis of circumstellar material in Type Ia supernovae. Monthly Notices of the Royal Astronomical Society. 2013 Nov 21;436(1):222-240. Epub 2013 Sept 26. doi: 10.1093/mnras/stt1586

Author

Maguire, K. ; Sullivan, M. ; Patat, F. et al. / A statistical analysis of circumstellar material in Type Ia supernovae. In: Monthly Notices of the Royal Astronomical Society. 2013 ; Vol. 436, No. 1. pp. 222-240.

Bibtex

@article{9eeaaf3a362f4ad190bbaef87c57fc2a,

title = "A statistical analysis of circumstellar material in Type Ia supernovae",

abstract = "A key tracer of the elusive progenitor systems of Type Ia supernovae (SNe Ia) is the detection of narrow blueshifted time-varying Na I D absorption lines, interpreted as evidence of circumstellar material surrounding the progenitor system. The origin of this material is controversial, but the simplest explanation is that it results from previous mass-loss in a system containing a white dwarf and a non-degenerate companion star. We present new single-epoch intermediate-resolution spectra of 17 low-redshift SNe Ia taken with XShooter on the European Southern Observatory Very Large Telescope. Combining this sample with events from the literature, we confirm an excess (similar to 20 per cent) of SNe Ia displaying blueshifted narrow Na I D absorption features compared to redshifted Na I D features. The host galaxies of SNe Ia displaying blueshifted absorption profiles are skewed towards later-type galaxies, compared to SNe Ia that show no Na I D absorption and SNe Ia displaying blueshifted narrow Na I D absorption features have broader light curves. The strength of the Na I D absorption is stronger in SNe Ia displaying blueshifted Na I D absorption features than those without blueshifted features, and the strength of the blueshifted Na I D is correlated with the B - V colour of the SN at maximum light. This strongly suggests the absorbing material is local to the SN. In the context of the progenitor systems of SNe Ia, we discuss the significance of these findings and other recent observational evidence on the nature of SN Ia progenitors. We present a summary that suggests that there are at least two distinct populations of normal, cosmologically useful SNe Ia.",

keywords = "circumstellar matter, supernovae: general, distance scale, HUBBLE-SPACE-TELESCOPE, HOST GALAXY PROPERTIES, DIGITAL SKY SURVEY, BVRI LIGHT CURVES, WHITE-DWARF STAR, SN 2011FE, KEPLERS SUPERNOVA, DARK-ENERGY, MAXIMUM BRIGHTNESS, EQUIVALENT WIDTHS",

author = "K. Maguire and M. Sullivan and F. Patat and A. Gal-Yam and Hook, {I. M.} and S. Dhawan and Howell, {D. A.} and P. Mazzali and Nugent, {P. E.} and Pan, {Y. -C.} and P. Podsiadlowski and Simon, {J. D.} and A. Sternberg and S. Valenti and C. Baltay and D. Bersier and N. Blagorodnova and Chen, {T. -W.} and N. Ellman and U. Feindt and F. Foerster and M. Fraser and S. Gonzalez-Gaitan and Graham, {M. L.} and C. Gutierrez and S. Hachinger and E. Hadjiyska and C. Inserra and C. Knapic and Laher, {R. R.} and G. Leloudas and S. Margheim and R. McKinnon and M. Molinaro and N. Morrell and Ofek, {E. O.} and D. Rabinowitz and A. Rest and D. Sand and R. Smareglia and Smartt, {S. J.} and F. Taddia and Walker, {E. S.} and Walton, {N. A.} and Young, {D. R.}",

year = "2013",

month = nov,

day = "21",

doi = "10.1093/mnras/stt1586",

language = "English",

volume = "436",

pages = "222--240",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "OXFORD UNIV PRESS",

number = "1",

}

RIS

TY - JOUR

T1 - A statistical analysis of circumstellar material in Type Ia supernovae

AU - Maguire, K.

AU - Sullivan, M.

AU - Patat, F.

AU - Gal-Yam, A.

AU - Hook, I. M.

AU - Dhawan, S.

AU - Howell, D. A.

AU - Mazzali, P.

AU - Nugent, P. E.

AU - Pan, Y. -C.

AU - Podsiadlowski, P.

AU - Simon, J. D.

AU - Sternberg, A.

AU - Valenti, S.

AU - Baltay, C.

AU - Bersier, D.

AU - Blagorodnova, N.

AU - Chen, T. -W.

AU - Ellman, N.

AU - Feindt, U.

AU - Foerster, F.

AU - Fraser, M.

AU - Gonzalez-Gaitan, S.

AU - Graham, M. L.

AU - Gutierrez, C.

AU - Hachinger, S.

AU - Hadjiyska, E.

AU - Inserra, C.

AU - Knapic, C.

AU - Laher, R. R.

AU - Leloudas, G.

AU - Margheim, S.

AU - McKinnon, R.

AU - Molinaro, M.

AU - Morrell, N.

AU - Ofek, E. O.

AU - Rabinowitz, D.

AU - Rest, A.

AU - Sand, D.

AU - Smareglia, R.

AU - Smartt, S. J.

AU - Taddia, F.

AU - Walker, E. S.

AU - Walton, N. A.

AU - Young, D. R.

PY - 2013/11/21

Y1 - 2013/11/21

N2 - A key tracer of the elusive progenitor systems of Type Ia supernovae (SNe Ia) is the detection of narrow blueshifted time-varying Na I D absorption lines, interpreted as evidence of circumstellar material surrounding the progenitor system. The origin of this material is controversial, but the simplest explanation is that it results from previous mass-loss in a system containing a white dwarf and a non-degenerate companion star. We present new single-epoch intermediate-resolution spectra of 17 low-redshift SNe Ia taken with XShooter on the European Southern Observatory Very Large Telescope. Combining this sample with events from the literature, we confirm an excess (similar to 20 per cent) of SNe Ia displaying blueshifted narrow Na I D absorption features compared to redshifted Na I D features. The host galaxies of SNe Ia displaying blueshifted absorption profiles are skewed towards later-type galaxies, compared to SNe Ia that show no Na I D absorption and SNe Ia displaying blueshifted narrow Na I D absorption features have broader light curves. The strength of the Na I D absorption is stronger in SNe Ia displaying blueshifted Na I D absorption features than those without blueshifted features, and the strength of the blueshifted Na I D is correlated with the B - V colour of the SN at maximum light. This strongly suggests the absorbing material is local to the SN. In the context of the progenitor systems of SNe Ia, we discuss the significance of these findings and other recent observational evidence on the nature of SN Ia progenitors. We present a summary that suggests that there are at least two distinct populations of normal, cosmologically useful SNe Ia.

AB - A key tracer of the elusive progenitor systems of Type Ia supernovae (SNe Ia) is the detection of narrow blueshifted time-varying Na I D absorption lines, interpreted as evidence of circumstellar material surrounding the progenitor system. The origin of this material is controversial, but the simplest explanation is that it results from previous mass-loss in a system containing a white dwarf and a non-degenerate companion star. We present new single-epoch intermediate-resolution spectra of 17 low-redshift SNe Ia taken with XShooter on the European Southern Observatory Very Large Telescope. Combining this sample with events from the literature, we confirm an excess (similar to 20 per cent) of SNe Ia displaying blueshifted narrow Na I D absorption features compared to redshifted Na I D features. The host galaxies of SNe Ia displaying blueshifted absorption profiles are skewed towards later-type galaxies, compared to SNe Ia that show no Na I D absorption and SNe Ia displaying blueshifted narrow Na I D absorption features have broader light curves. The strength of the Na I D absorption is stronger in SNe Ia displaying blueshifted Na I D absorption features than those without blueshifted features, and the strength of the blueshifted Na I D is correlated with the B - V colour of the SN at maximum light. This strongly suggests the absorbing material is local to the SN. In the context of the progenitor systems of SNe Ia, we discuss the significance of these findings and other recent observational evidence on the nature of SN Ia progenitors. We present a summary that suggests that there are at least two distinct populations of normal, cosmologically useful SNe Ia.

KW - circumstellar matter

KW - supernovae: general

KW - distance scale

KW - HUBBLE-SPACE-TELESCOPE

KW - HOST GALAXY PROPERTIES

KW - DIGITAL SKY SURVEY

KW - BVRI LIGHT CURVES

KW - WHITE-DWARF STAR

KW - SN 2011FE

KW - KEPLERS SUPERNOVA

KW - DARK-ENERGY

KW - MAXIMUM BRIGHTNESS

KW - EQUIVALENT WIDTHS

U2 - 10.1093/mnras/stt1586

DO - 10.1093/mnras/stt1586

M3 - Journal article

VL - 436

SP - 222

EP - 240

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 1

ER -

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