We report detailed spatially resolved spectroscopy of the WR nebulae NGC 2359 and RCW 78 surrounding the WN 5 HD 56925 and WN 8 HD 117688 stars. The aim of this...
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PublicaciónSpatially resolved spectroscopy of WR ring nebulae. I - NGC 2359 and RCW 78
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PublicaciónSpatially resolved spectroscopy of WR ring nebulae. III - New results and chemical properties of the sample
The paper presents detailed high-spatial-resolution spectroscopy of seven WR ring nebulae, observed at several telescopes in both hemispheres. These are Anon...
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PublicaciónSpectral evolution of the He-Poor supernovae 1990U in NGC 7479 and 1991A in IC 2973
We present the spectral evolution, from about one to six months after optical maximum, of two type Ic supernovae, 1990U in NGC 7479 and 1991A in IC 2973 (UGC...
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CharlaStellar Rotation in the Gaia Era: Gyrochronology Under Inspection
Rotation plays an important role in the life of stars and offers a potential diagnostic to infer their ages and that of their planets. This idea is known as...
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CharlaSupergiants with an Interesting Past
Exciting things may have happened sometimes to the stars we see in the sky today. For example, Betelgeuse, also known as Alpha-Ori, an M-type red supergiant...
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CharlaTesting stellar evolutionary theory with asteroseismology and/in binary stars
The theory of stellar evolution is well developed over the past decades, and in particular the predictions of one dimensional numerical models have passed basic...
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PublicaciónThe age decay of stellar magnetic activity in MS field solar-type stars
The age decay of two indicators of the stellar magnetic activity (λ2800 Mg II emission flux and λ10830 He I equivalent width) have been studied for field solar...
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PublicaciónThe APOGEE Library of Infrared SSP Templates (A-LIST): High-resolution Simple Stellar Population Spectral Models in the H Band
Integrated light spectroscopy from galaxies can be used to study the stellar populations that cannot be resolved into individual stars. This analysis relies on...
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PublicaciónThe Carbon Star DY Persei May Be a Cool R Coronae Borealis Variable
Optical and near-IR photometry suggests that the carbon star DY Persei exhibits fadings similar to those of R Coronae Borealis (RCB) variables. Photometric...