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A limit on the number density of bright z≈ 7 galaxies
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Stanway, Elizabeth R., Bremer, M. N. (Malcolm N.), Squitieri, Valentina, Douglas, L. S. and Lehnert, M. D. (Matthew D.). (2008) A limit on the number density of bright z≈ 7 galaxies. Monthly Notices of the Royal Astronomical Society, Vol.386 (No.1). pp. 370-376. ISSN 0035-8711
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Official URL: http://dx.doi.org/10.1111/j.1365-2966.2008.13030.x
Abstract
We present a survey of bright optical dropout sources in two deep, multiwavelength surveys comprising 11 widely separated fields, aimed at constraining the galaxy luminosity function at z≈ 7 for sources at 5–10 L* (z= 6). Our combined survey area is 225 arcmin2 to a depth of JAB= 24.2 (3σ) and 135 arcmin2 to J= 25.3 (4σ). We find that infrared data longwards of 2 μm are essential for classifying optical dropout sources, and in particular for identifying cool Galactic star contaminants. Our limits on the number density of high-redshift sources are consistent with current estimates of the Lyman break galaxy luminosity function at z= 6.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QB Astronomy |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | Galaxies -- Evolution, Red shift, Starbursts |
| Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society |
| Publisher: | Wiley |
| ISSN: | 0035-8711 |
| Date: | 2008 |
| Volume: | Vol.386 |
| Number: | No.1 |
| Page Range: | pp. 370-376 |
| Identification Number: | 10.1111/j.1365-2966.2008.13030.x |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Funder: | Science and Technology Facilities Council (Great Britain) (STFC) |
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| URI: | http://wrap.warwick.ac.uk/id/eprint/40095 |
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