Statistics – Computation
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sass...24..129d&link_type=abstract
The Society for Astronomical Sciences 24th Annual Symposium on Telescope Science, held May 24-26, 2005. Published by Society for
Statistics
Computation
Scientific paper
The study of Be stars is a perfect example of spectrography that amateurs can participate in. Several types of spectroscopes can be used depending of what physical parameters are monitored: classical surveys at low-resolution or high-resolution profile study of the H-alpha line are just two examples of what can be monitored. By grouping observations on long time scales, a database of stellar spectra can be built and placed at the disposal of professionals. Over a period of 10 years, starting at the Pic du Midi observ- atory and continuing later on by Christian Buil, and other French amateur groups using Musicos professional spectroscope, the monitoring of Be stars produced scientific results and are now supported by professional astron- omers. Some are already using the ARAS (Astronomical Ring for Amateur Spec- troscopy) list to ask for specific monitoring and get additional observations from the amateur community. Spectral processing will be also discussed, using Visual Spec and Iris freeware, from the basic calibration up to time reso- lution H-alpha profile evolution and Equivalent Width computation. Be Stars survey is just an example of how powerful spectroscopy can be, and can be practiced by amateurs. Amateurs are really capable of playing a key part in astrophysical studies.
Buil Christian
Desnoux Valérie
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