Context. The so-called Barbarian asteroids share peculiar, but common polarimetric properties, probably related to both their shape and composition. They are named after (234) Barbara, the first on which such properties were identified. As has been suggested, large scale topographic features could play a role in the polarimetric response, if the
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Shape and spin determination of Barbarian asteroidsDevogèle, M. et al.112017
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Shaping massive galaxies: their morphology and kinematics at z = 1-3
Massive (M_* ≥ 10^{11} M_&sun;) galaxies at high redshift (z ≥ 1.5) remain mysterious objects. Their extremely small sizes (effective radii of 1-2 kpc) make them as dense as modern globular clusters. It is thought that a highly dissipational merger is needed to create such compact galaxies. Within this proceedings, we discuss this issue, along with
Buitrago, F. et al.Advertised on:
112011 -
SHARDS Frontier Fields: Physical Properties of a Low-mass Lyα Emitter at z = 5.75
We analyze the properties of a multiply imaged Lyα (Lyα) emitter at z = 5.75 identified through SHARDS Frontier Fields intermediate-band imaging of the Hubble Frontier Fields (HFF) cluster Abell 370. The source, A370-L57, has low intrinsic luminosity (M UV ∼ ‑16.5), steep UV spectral index (β = ‑2.4 ± 0.1), and extreme rest-frame equivalent width
Hernán-Caballero, A. et al.Advertised on:
112017 -
Shock-induced polarized hydrogen emission lines in the Mira star o Ceti
Context. In the spectra of variable pulsating stars, especially Mira stars, the detection of intense hydrogen emission lines has been explained by the presence of a radiative and hypersonic shock wave, periodically propagating throughout the stellar atmosphere. Previous observation of the Mira star o Ceti around one of its brightest maximum light
Fabas, N. et al.Advertised on:
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Signal detection for spectroscopy and polarimetry
The analysis of high spectral resolution spectroscopic and spectropolarimetric observations constitutes a very powerful way of inferring the dynamical, thermodynamical, and magnetic properties of distant objects. However, these techniques starve photons, making it difficult to use them for all purposes. A common problem is not being able to detect
Asensio-Ramos, A. et al.Advertised on:
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Simulations of - Acoustic Waves in Sunspots
Not Available
Khomenko, E. V. et al.Advertised on:
112005