Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924620p&link_type=abstract
American Astronomical Society, AAS Meeting #219, #246.20
Astronomy and Astrophysics
Astronomy
Scientific paper
Emission line galaxies are a powerful tracer of star formation in the Universe. By computing and examining the shape of the line luminosity function (the number density per logarithmic interval in line luminosity) we can study how star formation occurred in star forming galaxies. We can also look for variation in the line luminosity function of these objects as a function of redshift to look for evidence of evolution in the way star formation took place over the last few billion years. We present emission line luminosity functions obtained using the slitless grism survey data of the PEARS projects. We applied the PEARS-2D technique to pinpoint the location of line emission in field galaxies and hence were able to extract spectra of individual line emission regions in the PEARS fields, which covers a large fraction of the GOODS-N and GOODS-S fields. We detected lines with fluxes as low as 5. 10-18 erg/s/cm2 and identified Hα, OIII, OII, Hg and Lyα lines, over a redshift range of 0
Ly Chun
Malhotra Sagar
Meurer Gerhardt
Pirzkal Norbert
Rhoads James E.
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