Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21342402l&link_type=abstract
American Astronomical Society, AAS Meeting #213, #424.02; Bulletin of the American Astronomical Society, Vol. 41, p.246
Astronomy and Astrophysics
Astronomy
1
Scientific paper
As part of a larger effort to extend deep, wide H-alpha galaxy surveys to higher redshift using the NOAO Extremely Wide-Field Infrared Mosaic (NEWFIRM) at the KPNO-4m, we have identified a sample of galaxies with H-alpha emission at z=0.8. The galaxies are selected as narrowband excess emitters in a 1% custom filter centered on the 1.187 micron low OH-airglow window (hereafter 1190NB). Thus far, the observations include three NEWFIRM pointings (FOV 27.'6x27.'6) in the Subaru-XMM Deep Survey (SXDS), one pointing in the Cosmic Origins Survey (COSMOS) and one in SSA22. These fields have been chosen for the panchromatic ancillary data that are available. Emission-line galaxy candidates are identified by the comparison of 1190NB and J-band fluxes, and we detect sources to a 5sigma sensitivity of 23.0 AB and an SFR of 1 Msun/yr. We present H-alpha and rest-frame optical and UV luminosity functions, and star formation rate volume densities, and compare our results with previous studies.
Dale Daniel
Finn Robert
Lee Julian
Ly Chun
Momcheva Ivelina
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