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Weather in Bologna

Bologna
November 18, 2017, 1:22 pm
Sunny
Sunny
12°C
real feel: 14°C
current pressure: 1020 mb
humidity: 71%
wind speed: 1 m/s NNW
sunrise: 7:15 am
sunset: 4:45 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)