NGC 6752 - A globular cluster with a resolved post-collapse core?

Details NGC 6752 - A globular cluster with a resolved post-collapse core? NGC 6752 - A globular cluster with a resolved post-collapse core?

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...221...20a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 221, no. 1, Aug. 1989, p. 20-26.

Astronomy and Astrophysics

Astrophysics

18

Astronomical Photometry, Globular Clusters, Gravitational Collapse, Star Distribution, Brightness, Charge Coupled Devices, Error Analysis, Light Scattering, Stellar Luminosity

Scientific paper

Surface and stellar photometric observations of NGC 6752 in the B and V bands were obtained at the La Silla ESO Observatory. A central brightness excess with respect to the King profile suggested by Da Costa (1979) has been confirmed at the 3.5-sigma level. For the case of the V band, the radial brightness profile between 3 and 1 arcsec can be well fitted by a power law with a slope of -0.95 + or - 0.10. The central region profile inside 3-arsec radius is seen as a resolved plateau. The radial brightness profile of NGC 6752 is consistent with that expected from a globular cluster in a postcore-collapse phase.

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