Blue Straggler Stars in the Core of M3 (NGC 5272)

Details Blue Straggler Stars in the Core of M3 (NGC 5272) Blue Straggler Stars in the Core of M3 (NGC 5272)

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...181.7506b&link_type=abstract

American Astronomical Society, 181st AAS Meeting, #75.06; Bulletin of the American Astronomical Society, Vol. 24, p.1242

Astronomy and Astrophysics

Astronomy

Scientific paper

A complete inventory of stars brighter than the main-sequence turnoff inside of 6 core radii in M3 reveals a blue straggler star (BSS) population in the central regions of this intermediate-density cluster in whose outskirts BSS stars were first identified as a class by Sandage. The data are derived from V and R CCD frames with FWHM ~ 0\farcs6 obtained with HRCam at the CFHT. In the 2(') times 2(') region surveyed, the BSS are marginally more concentrated than giants in the same V magnitude range. The BSS in the central 6 core radii appear to have a specific frequency much lower than that measured in the outskirts of M3 or in the low density cluster, NGC 5053.

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