The UV luminosity function at 0.6 < z < 1 from UVCANDELS
arxiv(2023)
摘要
UVCANDELS is a HST Cycle-26 Treasury Program awarded 164 orbits of primary
ultraviolet (UV) F275W imaging and coordinated parallel optical F435W imaging
in four CANDELS fields: GOODS-N, GOODS-S, EGS, and COSMOS, covering a total
area of ∼426 arcmin^2. This is ∼2.7 times larger than the area
covered by previous deep-field space UV data combined, reaching a depth of
about 27 and 28 ABmag (5σ in 0.2" apertures) for F275W and F435W,
respectively. Along with the new photometric catalogs, we present an analysis
of the rest-frame UV luminosity function (LF), relying on our UV-optimized
aperture photometry method yielding a factor of 1.5× increase than the
H-isophot aperture photometry in the signal-to-noise ratios of galaxies in our
F275W imaging. Using well tested photometric redshift measurements we identify
5810 galaxies at redshifts 0.6更多
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