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BAFFA , C.

Last name: BAFFA

First name: C.

2013 (v1)

Journal article

Metadata-only

High spectral resolution imaging of the dynamical atmosphere of the red supergiant Antares in the CO first overtone lines with VLTI/AMBER

Ohnaka, K. Hofmann, K. -H. Schertl, D.

Aims: We present aperture-synthesis imaging of the red supergiant Antares (α Sco) in the CO first overtone lines. Our goal is to probe the structure and dynamics of the outer atmosphere. Methods: Antares was observed between 2.28 μm and 2.31 μm with VLTI/AMBER with spectral resolutions of up to 12 000 and angular resolutions as high as 7.2 mas...

Uploaded on: December 3, 2022
2014 (v1)

Journal article

Metadata-only

Beyond the diffraction limit of optical/IR interferometers. II. Stellar parameters of rotating stars from differential phases

Hadjara, M. Domiciano de Souza, A. Vakili, F.

Context. As previously demonstrated on Achernar, one can derive the angular radius, rotational velocity, axis tilt, and orientation of a fast-rotating star from the differential phases obtained by spectrally resolved long baseline interferometry using earth-rotation synthesis. Aims: We applied this method on a small sample of stars for...

Uploaded on: December 3, 2022