Gabriel Torrealba Arancibia
Large amount, ubiquitous, poor distance indicators
Bright, good distance estimators, metal poor, BS contamination
Very Bright, metal rich, poor distance estimators, rare
Bright, good distance estimators, little contamination, rare, needs variability information
\( ( \sigma = 0.03) \)
10,540 RRab stars
8869 new discoveries!
\( \sim \) 70 % complete within 30 kpc in the south
In the south only!
Data mine Catalina survey for RR Lyrae
Created the largest sample of RR Lyrae in the South to date
Measured streams like Sagittarius in 3D
RR Lyrae powerful tools to probe the halo
Spectroscopic follow up of the overdensities
Quantify Large Scale Asymmetries.