Context: HIP 96515 A is a double-lined spectroscopic binary included in the SACY catalog as a potential young star. It has a visual companion (CCDM 19371-5134 B...
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PublicaciónThe triple system HIP 96515: a low-mass eclipsing binary with a DB white dwarf companion
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PublicaciónThe triple-mode pulsating variable V823 Cassiopeiae
Using extended multicolour CCD photometry of the triple-mode radial pulsator V823 Cas we studied the properties of the coupling frequencies invoked by nonlinear...
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PublicaciónThe triple-shell structure and collimated outflows of the planetary nebula NGC 6891
Narrow-band Hα and [Nii] images and high-dispersion spatially resolved echelle spectroscopy of the planetary nebula NGC 6891 are presented. These observations...
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PublicaciónThe TROY project. II. Multi-technique constraints on exotrojans in nine planetary systems
Context. Co-orbital bodies are the byproduct of planet formation and evolution, as we know from the solar system. Although planet-size co-orbitals do not exists...
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PublicaciónThe truncation of the disk of NGC 4565. Detected up to z = 4 kpc, with star formation, and affected by the warp
Context. The hierarchical model of galaxy formation suggests that galaxies are continuously growing. However, our position inside the Milky Way prevents us from...
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PublicaciónThe Tucana dwarf spheroidal galaxy: not such a massive failure after all
Context. Isolated local group (LG) dwarf galaxies have evolved most or all of their life unaffected by interactions with the large LG spirals and therefore...
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PublicaciónThe Tully-Fisher relation and the Bosma effect
We show that the rotation curves of 16 nearby disc galaxies in the THINGS sample and the Milky Way can be described by the Navarro-Frenk-White halo model and by...
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PublicaciónThe two metallicity groups of the globular cluster M 22: a chemical perspective
We present a detailed chemical composition analysis of 35 red giant stars in the globular cluster M 22. High resolution spectra for this study were obtained at...
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PublicaciónThe two rings of (50000) Quaoar
Context. Quaoar is a classical trans-Neptunian object (TNO) with an area-equivalent diameter of 1100 km and an orbital semi-major axis of 43.3 astronomical...