Weather in Bologna

April 27, 2018, 8:25 am
Mostly cloudy
Mostly cloudy
real feel: 16°C
current pressure: 1010 mb
humidity: 72%
wind speed: 5 m/s ESE
sunrise: 6:12 am
sunset: 8:14 pm

HST photometry of M31 star clusters

Publicly available catalogs containing magnitudes and positions from PSF-fitting photometry on HST images for a total of 42 star clusters in M31:


– Catalogs from the paper: HST/ACS colour-magnitude diagrams of M31 globular clusters (Perina et al.  2009)

– Catalogs from the paper: An HST/WFPC2 survey of bright young clusters in M31. IV. (Perina et al. 2010)

– Catalogs from the paper: Color-magnitude diagrams of candidate intermediate-age M 31 GCs. (Perina et al.  2011)