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The Mid-IR spatially resolved environment of OH26.5+0.6 at maximum luminosity

Autor: Chesneau, O., Verhoelst, T., Lopez, B., Waters, L. B. F. M., Leinert, Ch., Jaffe, W., Kohler, R., De Koter, A., Dijkstra, C.

We present observations of the famous OH/IR star OH26.5+0.6 obtained using the Mid-Infrared Interferometric Instrument MIDI at the European Southern Observatory (ESO) Very Large Telescope Interferometer VLTI. The emission of the dusty envelope, spect

Externí odkaz: http://arxiv.org/abs/astro-ph/0501187

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The sub-arcsecond dusty environment of Eta Carinae

Autor: Chesneau, O., Min, M., Herbst, T., Waters, L. B. F. M., Hillier, D. J., Leinert, Ch., De Koter, A., Pascucci, I., Jaffe, W., Kohler, R., Alvarez, C., Van Boekel, R., Brandner, W., Graser, U., Lagrange, A. M., Lenzen, R., Morel, S., Scholler, M.

The core of the nebula surrounding Eta Carinae has been observed with the VLT Adaptive Optics system NACO and with the interferometer VLTI/MIDI to constrain spatially and spectrally the warm dusty environment and the central object. In particular, na

Externí odkaz: http://arxiv.org/abs/astro-ph/0501159

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Timescales of disk evolution and planet formation

Autor: Brandner, W., Zinnecker, H., Alcala, J. M., Allard, F., Covino, E., Frink, S., Kohler, R., Kunkel, M., Moneti, A., Schweitzer, A.

We present high-spatial resolution HST and adaptive optics observations, and high-sensitivity ISO (ISOCAM & ISOPHOT) observations of a sample of X-ray selected weak-line (WTTS) and post (PTTS) T Tauri stars located in the nearby Chamaeleon T and Scor

Externí odkaz: http://arxiv.org/abs/astro-ph/0005048

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