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Ultraviolet observations of the X-ray sources in the ETA garinae Nebula

✍ Scribed by R. Viotti; A. Giangrande; A. Cassatella; P. Macchetto

Publisher
Springer Netherlands
Year
1981
Tongue
English
Weight
218 KB
Volume
30
Category
Article
ISSN
0038-6308

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## Abstract Recent models of the formation of ultra‐luminous X‐ray sources (ULXs) predict that they preferentially form in low‐metallicity environments. We look at the metallicity of the nebula surrounding NGC 1313 X‐2, one of the best‐studied ULXs. Simple estimates, based on the extrapolation of t