Abstract
We present results from the QUEST RR Lyrae Survey in the Canis Major overdensity. The survey consists of multi-epoch observations in V and R filters, obtained with the Jürgen Stock telescope and the QUEST-I camera at the National Observatory of Venezuela, spanning a total area of 16.7 square degrees. A number of 12 RR Lyrae stars were identified, 6 of type ab and 6 of type c. We compare our results with the number of RR Lyrae stars expected from the halo and thick disk, as well as that expected from dSph galaxies with different specific frequencies of RR Lyrae stars.