Cerro Tololo Inter-American Observatory

Three‐Year<i>Wilkinson Microwave Anisotropy Probe</i>(<i>WMAP</i>) Observations: Implications for Cosmology

A simple cosmological model with only six parameters (matter density,mh 2, baryon density,bh 2, Hubble con-stant, H0, amplitude of fluctuations, 8, optical depth, , and a slope ...

Dark Energy Survey year 1 results: Cosmological constraints from galaxy clustering and weak lensing

Made available in DSpace on 2022-04-29T08:27:28Z (GMT). No. of bitstreams: 0\n Previous issue date: 2018-08-15

Dark Energy Survey Year 3 results: Cosmological constraints from galaxy clustering and weak lensing

We present the first cosmology results from large-scale structure using the full 5000 deg(2) of imaging data from the Dark Energy Survey (DES) Data Release 1. We perform an anal...

The MACHO Project: Microlensing Results from 5.7 Years of Large Magellanic Cloud Observations

We report on our search for microlensing towards the Large Magellanic Cloud (LMC). Analysis of 5.7 years of photometry on 11.9 million stars in the LMC reveals 13 - 17 microlens...

The Multiplicity of Pre–Main‐Sequence Stars in Southern Star‐forming Regions

High-resolution studies of young stars in the star-forming regions of Taurus and Ophiuchus have revealed a large population of multiple star systems. To test how applicable this...

Carbon and M-type giant stars in the Magellanic Clouds

Hα Imaging of the Candidate Protogalaxy MS 1512−[CLC]cB58[/CLC]

We have obtained an image of the candidate protogalaxy MS 1512-cB58 through a narrow passband filter centered on Hα redshifted to z = 2.72. MS 1512-cB58 shows excess emission th...