activity
19992001
collaborators

5 papers

astro-ph2001

MUSICOS 1998: Optical and X-rays Observations of Flares on the RS CVn Binary HR 1099

D. Garcia-Alvarez, B. H. Foing, D. Montes +2

We present simultaneous and continuous observations of H_alpha, H_beta, NaI D_1, D_2 and HeI D_3 lines of the chromospherically active binary HR 1099. We have observed HR 1099 for…

astro-ph2001

MUSICOS 1998: Observations of Rotational Modulation and Flares on the RS CVn Binary HR 1099

D. Garcia-Alvarez, B. H. Foing, D. Montes +2

We present simultaneous and continuous observations of H_alpha, H_beta, NaI D_1, D_2, HeI D_3 and CaII H & K lines of the chromospherically active binary HR 1099. We have observed…

astro-ph2000

Magnetospheric Accretion and Winds on the T Tauri Star SU Aurigae: Multi-Spectral Line Variability and Cross-Correlation Analysis

J. M. Oliveira, B. H. Foing, J. Th. van Loon +1

SU Aurigae is a T Tauri star that was well monitored during the MUSICOS 96 multi-site campaign. We present the results of the spectroscopic analysis of the circumstellar environmen…

astro-ph2000

The Circumstellar Environment of the TTS SU Aurigae

J. M. Oliveira, B. H. Foing, J. Th. van Loon

In this contribution we investigate how a disk determines the physical and geometrical properties of the circumstellar environment of the T Tauri SU Aurigae. Our model of the spect…

astro-ph1999

Circumstellar emission and flares on FK Comae Berenices: Analysis and modelling of Balmer and He I D3 line variations

J. M. Oliveira, B. H. Foing

We present results on spectroscopic observations of the fast-rotating active giant FK Comae, obtained mainly with the ESA-MUSICOS spectrograph at the Isaac Newton Telescope (INT) i…