1. INTRODUCTION  

2. DATA  
2.1. LPV Candidates in the INT Catalogue  
2.2. Cross-Correlation with Spitzer Catalogue  

3. STAR FORMATION HISTORY  
3.1. Metallicities  
3.2. Methodology  
3.3. Deriving the SFH  

5. CUMULATIVE SFH AND QUENCHING TIME  
5.1. Dark Matter Halo and SFH