Upper limits on Lyα emission at redshift 3.4.

Details Upper limits on Lyα emission at redshift 3.4. Upper limits on Lyα emission at redshift 3.4.

Nov 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...303..379m&link_type=abstract

Astronomy and Astrophysics, v.303, p.379

Astronomy and Astrophysics

Astrophysics

12

Cosmology: Observations, Galaxies: Formation, Galaxies: Ism

Scientific paper

We have obtained deep broad and narrow band CCD images in the direction 09h03.8m+33deg52'. We have analysed the images in order to search for Lyα emission coming from galaxies or protogalaxies at redshift =~3.4. We report here on the non-detection of objects with Lyα emission down to a 1σ brightness of 4.3x10^-18^erg/cm2/s/arcsec2. We discuss the implications that this limit in Lyα emission can have on the possible existence of protogalaxies and HI clouds at that redshift.

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