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Article Contents
1 Current knowledge about ${\upsilon }$ Sgr
2 Observations and data reduction
3 A new orbital solution and improved ephemeris
4 The nature of the blue-shifted H${\alpha }$ absorption
5 The H${\alpha }$ emission line
6 Photometric variations
7 Towards understanding the properties and nature of ${\upsilon }$ Sgr

List of tables
List of figures

Copyright ESO 2006
Published by EDP Sciences