- Abstract:
-
We present deep IRAM Plateau de Bure Interferometer observations, searching for CO-emission toward two massive, non-lensed Lyman break galaxies at z = 3.216 and 4.058. With one low significance CO detection (3.5σ) and one sensitive upper limit, we find that the CO lines are ≳3-4 times weaker than expected based on the relation between IR and CO luminosities followed by similarly massive galaxies at z = 0-2.5. This is consistent with a scenario in which these galaxies have low metallicity, cau...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1088/2041-8205/776/2/L24
-
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- Journal:
- ASTROPHYSICAL JOURNAL LETTERS
- Volume:
- 776
- Issue:
- 2
- Pages:
- L24-L24
- Publication date:
- 2013-10-20
- DOI:
- EISSN:
-
2041-8213
- ISSN:
-
2041-8205
- URN:
-
uuid:8d62a4b9-ddd8-4a59-9c83-c237e2a3e171
- Source identifiers:
-
435553
- Local pid:
- pubs:435553
- Language:
- English
- Keywords:
- Copyright date:
- 2013
Journal article
A DEEP SEARCH FOR MOLECULAR GAS IN TWO MASSIVE LYMAN BREAK GALAXIES AT z=3 AND 4: VANISHING CO-EMISSION DUE TO LOW METALLICITY?
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