Low-metallicity inhibition of type Ia supernovae and Galactic and cosmic chemical evolution

Chiaki Kobayashi, Takuji Tsujimoto, Ken'ichi Nomoto, Izumi Hachisu, Mariko Kato

Research output: Contribution to journalArticle

185 Citations (Scopus)

Abstract

We introduce a metallicity dependence of the Type Ia supernova (SN Ia) rate into the Galactic and cosmic chemical evolution models. In our SN Ia progenitor scenario, the accreting white dwarf (WD) blows a strong wind to reach the Chandrasekhar mass limit. If the iron abundance of the progenitors is as low as [Fe/H] ≲ -1, then the wind is too weak for SNe Ia to occur. Our model successfully reproduces the observed chemical evolution in the solar neighborhood. We make the following predictions that can test this metallicity effect: (1) SNe Ia are not found in the low iron abundance environments such as dwarf galaxies and the outskirts of spirals. (2) The cosmic SN Ia rate drops at z ∼ 1-2 because of the low iron abundance, which can be observed with the Next Generation Space Telescope. At z ≳ 1-2, SNe Ia can be found only in the environments where the timescale of metal enrichment is sufficiently short as in starburst galaxies and elliptical galaxies. The low-metallicity inhibition of SNe Ia can shed new light on the following issues: (1) The limited metallicity range of the SN Ia progenitors would imply that "evolution effects" are relatively small for the use of high-redshift SNe Ia to determine the cosmological parameters. (2) WDs of halo populations are poor producers of SNe Ia, so that the WD contribution to the halo mass is not constrained from the iron abundance in the halo. (3) The abundance patterns of globular clusters and field stars in the Galactic halo lack of SN Ia signatures in spite of their age difference of several Gyr, which can be explained by the low-metallicity inhibition of SNe Ia. (4) It could also explain why the SN Ia contamination is not seen in the damped Lyα systems over a wide range of redshift.

Original languageEnglish
JournalAstrophysical Journal
Volume503
Issue number2 PART II
Publication statusPublished - 1998

Fingerprint

chemical evolution
metallicity
supernovae
iron
halos
solar neighborhood
star distribution
starburst galaxies
galactic halos
elliptical galaxies
dwarf galaxies
globular clusters
contamination
signatures
chemical
telescopes
galaxies
timescale
metal
prediction

Keywords

  • Binaries: close
  • Cosmology: theory
  • Galaxies: abundances
  • Galaxies: evolution
  • Galaxy: evolution
  • Supernovae: general

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Kobayashi, C., Tsujimoto, T., Nomoto, K., Hachisu, I., & Kato, M. (1998). Low-metallicity inhibition of type Ia supernovae and Galactic and cosmic chemical evolution. Astrophysical Journal, 503(2 PART II).

Low-metallicity inhibition of type Ia supernovae and Galactic and cosmic chemical evolution. / Kobayashi, Chiaki; Tsujimoto, Takuji; Nomoto, Ken'ichi; Hachisu, Izumi; Kato, Mariko.

In: Astrophysical Journal, Vol. 503, No. 2 PART II, 1998.

Research output: Contribution to journalArticle

Kobayashi, C, Tsujimoto, T, Nomoto, K, Hachisu, I & Kato, M 1998, 'Low-metallicity inhibition of type Ia supernovae and Galactic and cosmic chemical evolution', Astrophysical Journal, vol. 503, no. 2 PART II.
Kobayashi C, Tsujimoto T, Nomoto K, Hachisu I, Kato M. Low-metallicity inhibition of type Ia supernovae and Galactic and cosmic chemical evolution. Astrophysical Journal. 1998;503(2 PART II).
Kobayashi, Chiaki ; Tsujimoto, Takuji ; Nomoto, Ken'ichi ; Hachisu, Izumi ; Kato, Mariko. / Low-metallicity inhibition of type Ia supernovae and Galactic and cosmic chemical evolution. In: Astrophysical Journal. 1998 ; Vol. 503, No. 2 PART II.
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