Statistics of giant luminous arcs based on the Canada-France Redshift Survey

Takashi Hamana; Toshifumi Futamase

doi:10.1093/mnras/286.1.l7

Statistics of giant luminous arcs based on the Canada-France Redshift Survey

Takashi Hamana, Toshifumi Futamase

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

We examine the statistics of giant luminous arcs using the galaxy luminosity function suggested by the Canada-France Redshift Survey. We choose 16 clusters of galaxies in the Einstein Medium Sensitivity Survey (EMSS) sample with z≥0.2 and L_x≥4 × 10⁴⁴ erg s^-12 for a sample of clusters that contain six giant luminous arcs. We find that the observed evolution of the galaxy luminosity function increases appreciably the predicted number of giant luminous arcs. In particular the predicted number is comparable to the observed one in the case where all the observed blue galaxies are assumed to be irregulars.

Original language	English
Pages (from-to)	L7-L10
Journal	Monthly Notices of the Royal Astronomical Society
Volume	286
Issue number	1
DOIs	https://doi.org/10.1093/mnras/286.1.l7
Publication status	Published - 1997
Externally published	Yes

Keywords

Galaxies: evolution
Gravitational lensing

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1093/mnras/286.1.l7

Cite this

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abstract = "We examine the statistics of giant luminous arcs using the galaxy luminosity function suggested by the Canada-France Redshift Survey. We choose 16 clusters of galaxies in the Einstein Medium Sensitivity Survey (EMSS) sample with z≥0.2 and Lx≥4 × 1044 erg s-12 for a sample of clusters that contain six giant luminous arcs. We find that the observed evolution of the galaxy luminosity function increases appreciably the predicted number of giant luminous arcs. In particular the predicted number is comparable to the observed one in the case where all the observed blue galaxies are assumed to be irregulars.",

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AB - We examine the statistics of giant luminous arcs using the galaxy luminosity function suggested by the Canada-France Redshift Survey. We choose 16 clusters of galaxies in the Einstein Medium Sensitivity Survey (EMSS) sample with z≥0.2 and Lx≥4 × 1044 erg s-12 for a sample of clusters that contain six giant luminous arcs. We find that the observed evolution of the galaxy luminosity function increases appreciably the predicted number of giant luminous arcs. In particular the predicted number is comparable to the observed one in the case where all the observed blue galaxies are assumed to be irregulars.

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KW - Gravitational lensing

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Statistics of giant luminous arcs based on the Canada-France Redshift Survey

Abstract

Keywords

ASJC Scopus subject areas

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