The WAGGS project - I. The WiFeS Atlas of Galactic Globular cluster Spectra

作者: Christopher Usher , Nicola Pastorello , Sabine Bellstedt , Adebusola Alabi , Pierluigi Cerulo

DOI: 10.1093/MNRAS/STX713

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摘要: We present the WiFeS Atlas of Galactic Globular cluster Spectra, a library integrated spectra Milky Way and Local Group globular clusters. used integral field spectrograph on Australian National University 2.3 m telescope to observe central regions 64 clusters 22 hosted by Way’s low-mass satellite galaxies. The have wider wavelength coverage (3300–9050 A) higher spectral resolution (R = 6800) than existing libraries By including Large Small Magellanic Cloud star clusters, we extend parameter space towards young intermediate ages. While testing stellar population synthesis models analysis techniques is main aim this library, observations may also further our understanding populations make possible direct comparison extragalactic light with well-understood in Way. are publicly available via project website.

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