The Supernova rate per unit mass

By F. Mannucci, M. Della Valle, N. Panagia, E. Cappellaro, G. Cresci, R. Maiolino, A. Petrosian, M. T. C. -. I. Firenze, I. -. O. Arcetri, STScI - Esa and 6 more. 2004

423 citations recorded by the source corpus.

We compute the rate of supernovae (SNe) of different types along the Hubble sequence normalized to the near- infrared luminosity and to the stellar mass of the parent galaxies. This is made possible by the new complete catalog of near- infrared galaxy magnitudes obtained by 2MASS. We find that the rates of all SN types, including Ia, Ib/c and II, show a sharp dependence on both the morphology and the (B − K) colors of the parent galaxies and, therefore, on the star formation activity. In particular we find, with a high statistical significance, that the type Ia rate in late type galaxies is a factor ∼20 higher than in E/S0. Similarly, the type Ia rate in the galaxies bluer than B − K = 2.6 is about a factor of 30 larger than in galaxies with B − K > 4.1. These findings can be explained by assuming that a significant fraction of Ia events in late spirals/irregulars originates in a relatively young stellar component.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/5b10bc269b7f79bfeb9260952cdb1e9840102fcc

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In Astronomy and Astrophysics

  1. P. Hopkins
  2. L. Hernquist
  3. R. Dav'e
  4. R. Somerville
  5. Christopher J. Conselice
  6. A. Dekel
  7. Volker Springel
  8. C. Conroy

In Nuclear and High Energy Physics

  1. D. Maoz
  2. P. Hopkins
  3. F. Mannucci
  4. R. Dav'e
  5. E. Berger
  6. S. Smartt
  7. E. Quataert
  8. D. Kasen

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