A search for primeval galaxies at Z = 1.9

Details A search for primeval galaxies at Z = 1.9 A search for primeval galaxies at Z = 1.9

May 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...355l..11p&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 355, May 20, 1990, p. L11-L13. Research supported by NSERC.

Astronomy and Astrophysics

Astrophysics

37

Astronomical Models, Cosmology, Galactic Evolution, Line Spectra, Lyman Alpha Radiation, Red Shift, Space Observations (From Earth), Star Formation

Scientific paper

Results are reported from a search for primeval galaxies at redshifts lower than 2. An area of 0.1 deg sq has been searched for emission-line objects at 3500 A; none has been found down to a 2sigma surface-brightness threshold of 5.4 x 10 to the -17th erg/sq cm sec sq arcsec, corresponding to a surface brightness of about 27.6 mag sq/arsec (for a pure emission-line source). For objects with structure similar to that of the z = 18 emission-line galaxy 3C 326.1, the limiting flux is somewhat brighter. From this limit, constraints have been placed on the formation of galaxies at redshifts 1.8 or greater.

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