Radio sources near the core of globular cluster 47 Tucanae

Details Radio sources near the core of globular cluster 47 Tucanae Radio sources near the core of globular cluster 47 Tucanae

1999-12-21

arxiv.org/abs/astro-ph/9912435v1

Astronomy and Astrophysics

Astrophysics

6 pages, 4 postscript figures, LaTeX with MNRAS macro; Accepted by MNRAS

Scientific paper

10.1046/j.1365-8711.2000.03157.x

We present ATCA radio images of the globular cluster 47 Tucanae made at 1.4 and 1.7 GHz and provide an analysis of the radio sources detected within 5 arcmin of the cluster centre. 11 sources are detected, most of which are clustered about the core of 47 Tuc. Both of the pulsars in 47 Tuc whose positions are known can be identified with sources in the 1.4 GHz image. The source distribution has a characteristic radius of ~100 arcsec, larger than the 23 arcsec radius of the cluster core. We compare source positions with the positions of nine X-ray sources and find no correspondence.

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