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COSMOS : Hubble Space Telescope Observations

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arxiv astro-ph/0612306 v2 pith:DUYB7MDH submitted 2006-12-12 astro-ph

classification astro-ph
keywords imagingarcseccosmoshighhubbleobservationsresolutionsensitivity
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abstract

The Cosmic Evolution Survey (COSMOS) was initiated with an extensive allocation (590 orbits in Cycles 12-13) using the Hubble Space Telescope (HST) for high resolution imaging. Here we review the characteristics of the HST imaging with the Advanced Camera for Surveys (ACS) and parallel observations with NICMOS and WFPC2. A square field (1.8$\sq$\deg) has been imaged with single-orbit ACS I-F814W exposures with 50% completeness for sources 0.5\arcsec in diameter at I$_{AB} $ = 26.0 mag. The ACS imaging is a key part of the COSMOS survey, providing very high sensitivity and high resolution (0.09\arcsec FWHM, 0.05\arcsec pixels) imaging and detecting 1.2 million objects to a limiting magnitude of 26.5 (AB). These images yield resolved morphologies for several hundred thousand galaxies. The small HST PSF also provides greatly enhanced sensitivity for weak lensing investigations of the dark matter distribution.

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Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

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    astro-ph.CO 2026-08 conditional novelty 7.0 of 10

    Combining clipped and standard shear correlation functions from KiDS-1000 tightens S8 by 16% and w0 by 24%, yielding S8=0.724±0.027 and w0=-1.24+0.26-0.28, consistent with ΛCDM.

  2. Anisotropic quenching beyond $z=1$ and its implications for preprocessing around high-redshift galaxy clusters

    astro-ph.GA 2026-06 unverdicted novelty 7.0 of 10

    Anisotropic quenching is detected at the highest redshift yet and linked to preprocessing dominating over intrahalo effects by ~20% along the major axis in a delay-then-rapid quenching model informed by cluster accret...

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    astro-ph.GA 2026-06 unverdicted novelty 5.0 of 10

    Quiescent galaxies cluster more strongly than star-forming ones by 0.5-1 dex after halo-mass matching, with one-halo conformity up to z~2 that disappears at higher redshifts.

  4. Multi-Messenger Cosmology: A Route to Accurate Inference of Dark Energy Beyond CPL Parametrization from XG Detectors

    astro-ph.CO 2024-12 conditional novelty 5.0 of 10

    A simulation forecast claims CE+ET bright standard sirens can measure dark energy EoS parameters with sigma(w0)=0.010, sigma(wa)=0.049, sigma(wb)=0.072, better than other planned probes.

  5. Far-infrared observations of dust in Ly$\alpha$ emitters at z=2-6

    astro-ph.GA 2026-06 unverdicted novelty 4.0 of 10

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