Stellar Exotica in 47 Tucanae

Details Stellar Exotica in 47 Tucanae Stellar Exotica in 47 Tucanae

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..246..321k&link_type=abstract

Dynamical Evolution of Dense Stellar Systems, Proceedings of the International Astronomical Union, IAU Symposium, Volume 246, p.

Astronomy and Astrophysics

Astronomy

Globular Clusters: Individual (47 Tuc), Ultraviolet: Stars, Stars: Novae, Cataclysmic Variables, Stars: White Dwarfs, Stars: Blue Stragglers, Stellar Dynamics

Scientific paper

We have used far-ultraviolet spectroscopy and broad-band photometry to identify and study dynamically-formed stellar exotica in the core of 47 Tucanane. Here, we present a subset of our main results, including: (i) the spectroscopic confirmation of three cataclysmic variables; (ii) the discovery of stripped sub-giant core in a binary system with a dark primary; (iii) the discovery of a Helium white dwarf; (iv) the discovery of a blue straggler with a white dwarf companion.

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