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Molecular content of a Type Ia supernova host galaxy at z = 0.6
Combes, F.; Melchior, A. -L.
We study the properties and the molecular content of the host of a Type Ia supernova (SN1997ey). This z = 0.575 host is the brightest submillimetre source of the sample of Type Ia supernova hosts observed at 450 and 850 µm by Farrah et al. Observations were performed at the Institut de Radioastronomie Millimétrique 30 m telescope (IRAM 30m) …
The XMM-SSC survey of hard-spectrum XMM-Newton sources - I. Optically bright sources
Page, M. J.; Boller, Th.; Carrera, F. J. +15 more
We present optical and X-ray data for a sample of serendipitous XMM-Newton sources that are selected to have 0.5-2 versus 2-4.5 keV X-ray hardness ratios which are harder than the X-ray background. The sources have 2-4.5 keV X-ray flux >=10-14 erg cm-2 s-1, and in this paper we examine a subsample of 42 opticall…