203 citations
- E. Martioli2 profiles49 · h 22
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- Centre National de la Recherche ScientifiqueFR65 papers
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- Universidade Federal do Rio Grande do SulBR37 papers
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- Université Fédérale de Toulouse Midi-PyrénéesFR34 papers
- California Institute of TechnologyUS32 papers
6 papers · 2 filters
On the nature of Delta Scuti star HD 115520
L. Fox Machado, J. H. Pena, G. Munoz +1
As a continuation of the study of the newly found Delta Scuti star HD 115520, we present a period analysis of recently acquired photometric data covering four nights, as well as so…
Transient jets in V617 Sagittarii
J. E. Steiner, A. S. Oliveira, C. A. O. Torres +1
Some of the luminous Compact Binary Supersoft X-Ray sources (CBSS) have shown indications of jets, also called satellites due to their appearance in the spectra. In V Sagittae (V S…
A study of the evolution of the accretion disk of V2051 Oph through two outburst cycles
R. Baptista, R. F. Santos, M. Faundez-Abans +1
We follow the changes in the structure of the accretion disk of the dwarf nova V2051 Oph along two separate outbursts in order to investigate the causes of its recurrent outbursts.…
Resolving the B[e] star Hen 3-1191 at 10 microns with VLTI/MIDI
Régis Lachaume, Thomas Preibisch, Thomas Driebe +1
We report spatially resolved, spectrally dispersed N-band observations of the B[e] star Hen 3-1191 with the MIDI instrument of the Very Large Telescope Interferometer. The object i…
The first detection of near-infrared CN bands in active galactic nuclei: signature of star formation
R. Riffel, M. G. Pastoriza, A. Rodriguez-Ardila +1
We present the first detection of the near-infrared CN absorption band in the nuclear spectra of active galactic nuclei (AGN). This feature is a recent star formation tracer, being…
H-delta in the Integrated Light of Galaxies: What Are We Actually Measuring?
L. C. Prochaska, J. A. Rose, N. Caldwell +5
We present a cautionary study exploring the reliability of the H-delta line in the integrated spectra of galaxies for determining galaxy ages. Our database consists of the observed…