A Visible Wavelength Search for Lyman-Break Galaxies at z 3

Details A Visible Wavelength Search for Lyman-Break Galaxies at z 3 A Visible Wavelength Search for Lyman-Break Galaxies at z 3

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...207.2212s&link_type=abstract

American Astronomical Society Meeting 207, #22.12; Bulletin of the American Astronomical Society, Vol. 37, p.1194

Astronomy and Astrophysics

Astrophysics

Scientific paper

To better understand galaxy evolution at high redshifts, we present a candidate sample of z 3 galaxies assembled using the Lyman-break technique from one 35.5'x35.5' field in the Extended Groth Strip, which is at a high galactic latitude in the constellation Bootes. We use a method of photometric preselection known as the dropout technique (Steidel et. al 1996), in which we categorize our sources using rest-UV colors observed at visible wavelengths. We use U-g' and g'-R colors (Steidel et. al 2003) to identify the candidate Lyman-break galaxies at a high selection efficiency. At z 3, we identify 351 candidates undetected in U and 560 candidates detected in U. We plan to confirm our Lyman-break galaxy candidates with spectroscopic follow-up in the near future. This research was supported by the National Science Foundation's Research Experiences for Undergraduates Program at the Harvard-Smithsonian Center for Astrophysics in Cambridge, MA.

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