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On the nature of early-type emission line objects in NGC6611
Christophe Martayan, Michele Floquet, Anne-Marie Hubert +4
The number and the nature of emission line stars in the young open cluster NGC6611 is still the object of debates. Due to the presence of a strong and variable nebulosity in the cl…
On the behaviour of B and Be stars at low metallicity
Christophe Martayan, Yves Fremat, Anne-Marie Hubert +7
We present new results obtained with the VLT GIRAFFE for a large sample of B and Be stars belonging to the Magellanic Clouds, i.e. at low metallicity. First, we show the effects of…
Multiperiodic pulsations in the Be stars NW Ser and V1446 Aql
J. Gutiérrez-Soto, J. Fabregat, J. Suso +7
Aims: We present accurate photometric time series of two Be stars: NW Ser and V1446 Aql. Both stars were observed at the Observatorio de Sierra Nevada (Granada) in July 2003 with a…
Be stars and binaries in the field of the SMC open cluster NGC330 with VLT-FLAMES
Christophe Martayan, Michele Floquet, Anne-Marie Hubert +4
Observations of hot stars belonging to the young cluster SMC-NGC330 and its surrounding region were obtained with the VLT-GIRAFFE facilities in MEDUSA mode. We investigated the B a…