Las Campanas Infrared Survey (Chen+, 2001-2002)

Details Las Campanas Infrared Survey (Chen+, 2001-2002) Las Campanas Infrared Survey (Chen+, 2001-2002)

Jun 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ycat.7228....0c&link_type=abstract

VizieR On-line Data Catalog: VII/228. Originally published in: 2001ApJ...560L.131M; 2002MNRAS.332..617F; 2002ApJ...570...54C

Computer Science

25

Surveys, Galaxies: Ir, Photometry: Ubvri, Photometry: Infrared

Scientific paper

The Las Campanas Infrared Survey, based on broadband optical and near-infrared photometry, is designed to robustly identify a statistically significant and representative sample of evolved galaxies at redshifts z>1. We have completed an H-band imaging survey over 1.1{deg}2 of sky in six separate fields. The average 5{sigma} detection limit in a 4" diameter aperture is H~20.8. Here we describe the design of the survey, the observation strategies, data-reduction techniques, and object identification procedures. We present sample near-infrared and optical photometric catalogs for objects identified in two survey fields. The optical images of the Hubble Deep Field-South region obtained from the literature reach 5{sigma} detection thresholds in a 4" diameter aperture of U~24.6, B~26.1, V~25.6, R~25.1, and I~24.2mag. The optical images of the Chandra Deep Field-South region obtained from our own observations reach 5 {sigma} detection thresholds in a 4" diameter aperture of V~26.8, R~26.2, I~25.3, and z'~23.7mag. We perform object detection in all bandpasses and identify>~54000 galaxies over 1408 arcmin2 of sky in the two fields. Of these galaxies, ~14000 are detected in the H band and ~2000 have the colors of evolved galaxies, I-H >~3, at z>~1.
(3 data files).

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