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arXiv:astro-ph/9602125 (astro-ph)
[Submitted on 23 Feb 1996]

Title:The Type Ia Supernova Rate at z ~ 0.4

Authors:R. Pain, I. Hook, S. Perlmutter, S. Deustua, S. Gabi, G. Goldhaber, D. Groom, A. Kim, M. Kim, J. Lee, C. Pennypacker, I. Small, A. Goobar, R. Ellis, K. Glazebrook, R. McMahon, B. Boyle, P. Bunclark, D. Carter, M. Irwin, H. Newberg, A. V. Filippenko, T. Matheson, M. Dopita, J. Mould, W. Couch (The Supernova Cosmology Project: IV)
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Abstract: We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived using a large subset of data from the Supernova Cosmology Project as described in more detail at this meeting by Perlmutter et al. (1996). We present our methods for estimating the numbers of galaxies and the number of solar luminosities to which the survey is sensitive, the supernova detection efficiency and hence the control time. We derive a rest-frame Type Ia supernova rate at z~0.4 of 0.82^+0.54_-0.37 ^+0.42_-0.32 h^2 SNu where the first uncertainty is statistical and the second includes systematic effects.
Comments: 9 pages, 3 Postscript figures, uuencoded uses this http URL and this http URL. To appear in Thermonuclear Supernovae (NATO ASI), eds. R. Canal, P. Ruiz-LaPuente, and J. Isern. Postscript version is also available at this http URL
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/9602125
  (or arXiv:astro-ph/9602125v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/9602125

Submission history

From: Saul Perlmutter [view email]
[v1] Fri, 23 Feb 1996 05:51:26 UTC (28 KB)
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