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Spectral atlas of peculiar stars
We present an Echelle+CCD, high S/N, high resolution (R=20000) spectroscopic atlas of 108 well-known objects representative of the most common types of peculiar and variable... -
HD 133029 & HD 192913 elemental abundances
Fine analyses of the silicon stars HD 133029 and HD 192913 are presented using ATLAS9 model atmospheres whose predictions fit the optical region spectrophotometry and H{gamma}... -
uvby photometry of 4 CP stars
Differential Stroemgren uvby observations from the Four College Automated Photoelectric Telescope are presented for the mCP stars HD 35298, 19 Lyr, HD 192678, and HR 8216. The... -
Velocities & rotation of CP stars
As part of a systematic project we have determined radial velocities and projected rotational velocities for a sample of 186 chemically peculiar stars which have been observed... -
Catalogue of associations IRAS and S stars
Cross identifications between the General Catalogue of Galactic S Stars (GCGSS), the IRAS Point Source Catalogue (PSC), and the Guide Star Catalogue (GSC) are presented. The... -
CP stars
Fine analyses of the silicon star HD 43819 and the CP star HD 147550 are presented using ATLAS9 model atmospheres whose predictions fit the optical region spectrophotometry and... -
High-resolution spectroscopy of V348 Sgr
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lambda Boo stars in binary systems spectra
The origin of {lambda} Boo stars is currently unknown. Very few of them are known as members of multiple systems, which could provide benchmark laboratories to study their... -
Super-slowly rotating Ap (ssrAp) stars sample
The magnetic chemically peculiar Ap stars exhibit an extreme spread of rotational velocities, the cause of which is not clearly understood. Ap stars with rotation periods of 50... -
Phosphorus-rich stars. II.
The atmospheres of phosphorus-rich (P-rich) stars have been shown to contain between 10 and 100 times more P than our Sun. Given its crucial role as an essential element for... -
Line list and abundance errors
In recent years, the R-Process Alliance (RPA) has conducted a successful search for stars that are enhanced in elements produced by the rapid neutron-capture (r-)process. In... -
Element abundances of 4 metal-poor stars
The oldest stars in the Milky Way are metal-poor with [Fe/H]<-1.0, and they show peculiar elemental abundances compared to solar. The relative variations of the chemical... -
U Equ spectra and multi-photometry
U Equ is an unusual maser-hosting infrared source discovered in the 1990s. It was tentatively classified as a post-asymptotic giant branch (post-AGB) star with a unique optical... -
Phosphorus-rich stars
The origin of phosphorus, one of the essential elements for life on Earth, is currently unknown. Prevalent models of Galactic chemical evolution (GCE) systematically... -
FEROS spectroscopy of B-type stars
Spectroscopic data are necessary to break degeneracies in asteroseismic modelling of the interior structure in high- and intermediate-mass stars. With the TESS mission, the... -
magnetically active stars FIP bias sample
The different elemental abundances of the photosphere and the corona are striking features of not only the Sun, but other stars as well. This phenomenon is known as the FIP... -
Jurassic structure
Detailed elemental-abundance patterns of giant stars in the Galactic halo measured by the Apache Point Observatory Galactic Evolution Experiment (APOGEE-2) have revealed the... -
Sgr dSph CEMP-r/s star abundance analysis
We report on the discovery and chemical abundance analysis of the first CEMP-r/s star detected in the Sagittarius dwarf spheroidal galaxy (Sgr dSph) by means of UVES... -
New R Coronae Borealis stars
This catalogue contains 2356 entries. It was created to list targets of interest that have similar near- and mid-infrared characteristics than R Coronae Borealis (RCB) stars... -
KIC 8462852 GTC spectra
We report ground-based spectrophotometry of KIC 8462852, during its first dimming events since the end of the Kepler mission. The dimmings show a clear colour-signature, and are...
