ROSAT and AB Doradus: the first five years.

Details ROSAT and AB Doradus: the first five years. ROSAT and AB Doradus: the first five years.

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996rftu.proc...51k&link_type=abstract

International Conference on X-ray Astronomy and Astrophysics: Röntgenstrahlung from the Universe, p. 51 - 52

Astronomy and Astrophysics

Astrophysics

Pre-Main-Sequence Stars: X Rays, Pre-Main-Sequence Stars: Stellar Coronae, Pre-Main-Sequence Stars: Stellar Activity

Scientific paper

Five years of data from an extensive ROSAT X-ray monitoring program devoted to the active young K-star AB Dor are presented. A comparison is made with 16 yr of V-band brightness monitoring that shows a 10 yr decline between 1978 and 1989 and a subsequent rise phase. In contrast, the X-ray flux, which is very variable on time scales of minutes to weeks, exhibits no pronounced long-term trend over the 5 yr of the program. This supports the concept of a saturated corona.

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