Results from UV, optical and near-IR simultaneous observations for 11 BL Lac objects are reported. The authors find that for all but one source the spectral...
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PublicationThe UV - optical - near-IR emission of BL Lacertae objects.
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PublicationThe Uv Spectral Window: New Means To Constrain The Stellar Populations Of Early-Type Galaxies
We discuss the possibilities of exploiting the UV spectral using the J-PAS survey to disentangle young contributions from apparently old galaxies. We show that...
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PublicationThe UV Variability of T Tauri Stars
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PublicationThe UXOR-Type Star RY Ori
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PublicationThe Value of the Fine Structure Constant Over Cosmological Times
The optical spectra of objects classified as QSOs in the SDSS DR6 are analyzed with the aim of determining the value of the fine structure constant in the past...
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PublicationThe variability characteristics of the OJ 287 database
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PublicationThe variability characteristics of the OJ 287 database.
The authors present preliminary results of the study of short-term variability of the BL Lac object OJ 287. There is evidence that the variability amplitude of...
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PublicationThe Variable Spectrum of the Yellow Hypergiant rho Cassiopeiae
We have analyzed high-resolution optical spectra of the cool hypergiant rho Cas covering a period 2 years. The aim of this analysis is to check the range of the...
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PublicationThe Variable Star One-shot Project, and its little child: Wikimbad.
The Variable Star One-shot Project (VSOP) aimed at providing to the world-wide stellar community the necessary one-shot spectrum of unstudied variable stars...