Deep and extended multiband survey of the Galactic globular cluster M92 .

Bibcode
2008MmSAI..79..707D
Di Cecco, A.; Bono, G.; Monelli, M.; Calamida, A.; Nonino, M.; Stetson, P. B.; Buonanno, R.; Caputo, F.; Corsi, C. E.; Ferraro, I.; Iannicola, G.; Pulone, L.
Bibliographical reference

Memorie della Società Astronomica Italiana, v.79, p.707 (2008)

Advertised on:
0
2008
Number of authors
12
IAC number of authors
0
Citations
0
Refereed citations
0
Description
We present wide-field ground based photometry for the Galactic globular cluster M92. Data were collected in the SDSS bands (u',g',r',i',z') with the MegaCam@CFHT. We confirm the occurrence of cluster stars beyond the tidal radius. Moreover, we find that the ratio between the Horizontal Branch (HB) stars and Main Sequence (MS) stars across the turn-off region clearly decreases by a factor of two when moving from the centre to the outermost regions of the cluster.
Type
Non-refereed

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