Type Ia supernova rate at $z \sim 0.1$

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dc.creatorHardin, D.
dc.creatorAfonso, C.
dc.creatorAlard, C.
dc.creatorAlbert, J. N.
dc.creatorAmadon, A.
dc.creatorAndersen, J.
dc.creatorAnsari, R.
dc.creatorAubourg, É.
dc.creatorBareyre, P.
dc.creatorBauer, F.
dc.creatorBeaulieu, J. P.
dc.creatorBlanc, G.
dc.creatorBouquet, A.
dc.creatorChar, S.
dc.creatorCharlot, X.
dc.creatorCouchot, F.
dc.creatorCoutures, C.
dc.creatorDerue, F.
dc.creatorFerlet, R.
dc.creatorGlicenstein, J. F.
dc.creatorGoldman, B.
dc.creatorGould, A.
dc.creatorGraff, D.
dc.creatorGros, M.
dc.creatorHaissinski, J.
dc.creatorHamilton, J. C.
dc.creatorde Kat, J.
dc.creatorKim, A.
dc.creatorLasserre, T.
dc.creatorLesquoy, É.
dc.creatorLoup, C.
dc.creatorMagneville, C.
dc.creatorMansoux, B.
dc.creatorMarquette, J. B.
dc.creatorMaurice, É.
dc.creatorMilsztajn, A.
dc.creatorMoniez, M.
dc.creatorPalanque-Delabrouille, N.
dc.creatorPerdereau, O.
dc.creatorPrévot, L.
dc.creatorRegnault, N.
dc.creatorRich, J.
dc.creatorSpiro, M.
dc.creatorVidal-Madjar, A.
dc.creatorVigroux, L.
dc.creatorZylberajch, S.
dc.creatorcollaboration, The EROS
dc.date2000-06-29
dc.date2000-07-04
dc.date.accessioned2026-07-25T17:48:12Z
dc.descriptionWe present the EROS nearby supernova ($z \sim 0.02 - 0.2$) search and the analysis of the first year of data (1997). A total of 80 square degrees were surveyed. Eight supernovæ were detected, four of which were spectroscopically identified as type Ia supernovæ. The search efficiency was determined with a Monte-Carlo simulation taking into account the efficiencies for both supernova detection and host galaxy identification. Assuming that for a given galaxy the supernova rate is proportional to the galactic luminosity, we compute a type Ia supernova explosion rate of: ${\cal R} = 0.44 {}_{-0.21}^{+0.35} {}_{-0.07}^{+0.13} h^2: / 10^{10} \lbsun / 100 {\rm yrs}$ at an average redshift of $\sim 0.1$ where the errors are respectively statistical and systematic (type misidentification included).
dc.description8 pages, 6 figures, accepted in A&A
dc.identifierhttps://arxiv.org/abs/astro-ph/0006424
dc.identifierhttp://arxiv.org/abs/astro-ph/0006424
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/50721
dc.subjectAstrophysics
dc.titleType Ia supernova rate at $z \sim 0.1$
dc.typetext

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