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The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright Southern Stars
A. Sota, J. Maíz Apellániz, N. I. Morrell +5
We present the second installment of GOSSS, a massive spectroscopic survey of Galactic O stars, based on new homogeneous, high signal-to-noise ratio, R ~ 2500 digital observations…
The VLT-FLAMES Tarantula Survey. XIII: On the nature of O Vz stars in 30 Doradus
C. Sabín-Sanjulián, S. Simón-Díaz, A. Herrero +13
AIMS. We test the hypothesis of O Vz stars (characterized by having HeII4686 stronger in absorption than other He lines in their blue-violet spectra) being at a younger evolutionar…
Rotational properties of the O-type star population in the Tarantula region
O. H. Ramírez-Agudelo, S. Simón-Díaz, H. Sana +15
The 30 Doradus (30\,Dor) region in the Large Magellanic Cloud (also known as the Tarantula Nebula) is the nearest massive starburst region, containing the richest sample of massive…
The VLT-FLAMES Tarantula Survey XII. Rotational velocities of the single O-type stars
O. H. Ramírez-Agudelo, S. Simón-Díaz, H. Sana +15
Aims. Using ground based multi-object optical spectroscopy obtained in the framework of the VLT-FLAMES Tarantula Survey (VFTS), we aim to establish the (projected) rotational veloc…
The VLT-FLAMES Tarantula Survey - XI. A census of the hot luminous stars and their feedback in 30 Doradus
E. I. Doran, P. A. Crowther, A. de Koter +16
We compile the first comprehensive census of hot luminous stars in the 30 Doradus (30 Dor) star forming region of the LMC. The census extends to a radius of 10arcmin (150pc) from t…
The Galactic O-Star Spectroscopic Catalog (GOSC) and Survey (GOSSS): first whole-sky results and further updates
J. Maíz Apellániz, A. Sota, N. I. Morrell +6
The Galactic O-Star Spectroscopic Survey (GOSSS) is obtaining high quality R~2500 blue-violet spectroscopy of all Galactic stars ever classified as of O type with B < 12 and a sign…