Organization of the fourth HH
The objective:
The non-detection of p-mode oscillation in Procyon by the MOST mission was a big set back for the community. It drew attention to issues related to stellar noise possibly masking the stellar modes, and also to the fact that the planned spaced mission could be a waste of time and money. Collateral damages also affected our ground-based colleagues who were starting to fear that Time Allocation Commitees would not trust the noble goals of understanding the internal structure of the stars.
The objective of this fourth HH is to see what we can do if the modes are at the very limit of detection, say S/N of 1 or 2 in the power spectrum.
The fourth HH exercise:
The time series were simulated using a code written by Frédéric Baudin and Reza Samadi. The chairman of the DAT just twicked the S/N ratio such that the mode be at the limit of the visual detection. The sampling is still 32 s, and the observation time is 150 days. The time series simulated is a 1.2 solar mass star.
The data can be found here.
Last updated by Thierry Appourchaux on June 14, 2005