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- W137197768 abstract "X-ray to radio multi-wavelength monitoring of Young Stellar Objects (YSOs) can provide important information about physical processes at the stellar surface, in the stel- lar corona, and/or in the inner circumstellar disk regions. While several multi-wavelength studies have been performed for field stars and 1 10 Myr old T Tauri stars, no such study so far has succeeded in detecting simultaneous X-ray to radio variability in very young ob- jects like class I and class 0 protostars. Here, we present results of the first simultaneous X-ray, radio, near-infrared, and optical monitoring of the YSOs in the Coronet cluster, lo- cated in the Corona Australis star-forming region. Seven YSOs are detected simultaneously in the X-ray, radio, and optical/infrared bands. Most of these exhibit clear intra-band vari- ability in the X-ray, optical and infrared data, but none show significant radio variability. No evidence for time-correlated multi-wavelength variability is found. This result suggests that there is no direct link between the emission in the di erent wavelength ranges and supports the notion that accretion is not an important source for the X-ray emission of these YSOs. Furthermore, the deep X-ray and infrared data of the Coronet region provide a complete census of YSOs in this star-forming region." @default.
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- W137197768 date "2007-01-01" @default.
- W137197768 modified "2023-09-23" @default.
- W137197768 title "Coronae in the Coronet: simultaneous X-ray to radio monitoring of a young stellar cluster" @default.
- W137197768 hasPublicationYear "2007" @default.
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