Discovery of a Tidal Stream Extending from NGC 5053

Details Discovery of a Tidal Stream Extending from NGC 5053 Discovery of a Tidal Stream Extending from NGC 5053

Nov 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apj...651l..33l&link_type=abstract

The Astrophysical Journal, Volume 651, Issue 1, pp. L33-L36.

Astronomy and Astrophysics

Astronomy

11

Galaxy: Halo, Galaxy: Kinematics And Dynamics, Globular Clusters: Individual (Ngc 5053)

Scientific paper

Here we report the discovery of a 6° tidal stream related to NGC 5053 using the Sloan Digital Sky Survey data. A matched-filter analysis has been employed to optimize the contrast between the cluster and background noise. The stream of tidal debris associated with NGC 5053 corresponds to a projected length of approximately 1.7 kpc at the cluster's distance. The tidal detection is also seen in photometric data obtained at McDonald Observatory. Our result adds further observational evidence that low-concentration clusters are more likely to exhibit stellar tidal extensions.

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