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26 April 2024 |
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Article overview
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Galaxy Evolution and Star Formation Efficiency in the Last Half of the Universe | | F. Combes
; S. Garcia-Burillo
; J. Braine
; E. Schinnerer
; F. Walter
; L. Colina
; M. Gerin
; | | Date: |
8 Sep 2007 | | Abstract: | We present the results of a CO(1-0) emission survey with the IRAM 30m of 30
galaxies at moderate redshift (z ~ 0.2-0.6) to explore galaxy evolution and in
particular the star formation efficiency, in the redshift range filling the gap
between local and very high-z objects. Our detection rate is about 50%. One of
the bright objects was mapped at high resolution with the IRAM interferometer,
and about 50% of the total emission found in the 27 arcsec (97 kpc) single dish
beam is recovered by the interferometer, suggesting the presence of extended
emission. The FIR-to-CO luminosity ratio is enhanced, following the increasing
trend observed between local and high-z ultra-luminous starbursts. | | Source: | arXiv, 0709.1172 | | Services: | Forum | Review | PDF | Favorites | |
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