An infrared search for primeval galaxies
Open Access
- 1 November 1988
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 235 (1) , 209-220
- https://doi.org/10.1093/mnras/235.1.209
Abstract
For galaxy formation epochs now considered to be most likely, primeval galaxies will be infrared objects. We have therefore undertaken a deep survey of two ‘blank’ fields at J and K (1.2 and 2.2μm) to search for primeval galaxies. The one object discovered has infrared colours indicating that it is a faint foreground galaxy. The flux density of the brightest primeval galaxy which could have escaped detection, to 90 per cent confidence, in our survey of ∼ 1300 arcsec2 is ∼33 μJy at K. This limit constrains models of primeval galaxies by up to an order of magnitude over previous optical searches, for galaxy formation redshifts 5<z<10.Keywords
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