Physics
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002sass...21...67m&link_type=abstract
The Society for Astronomical Sciences 21st Annual Symposium on Telescope Science, held May 22-23, 2002, at Big Bear, CA. Publish
Physics
Scientific paper
Spectroscopy is a new field of study for the amateur. This type of explor- ation by an amateur is the result of the availability of several types of off-the-shelf spectrometers, which can be coupled to a CCD camera. For the most part, amateurs pursuing this area have done so more from a qualitative standpoint: stellar classification and identification of the more prominent emission and absorption lines in stars and gas clouds. However, a spectrum contains much more valuable information about the physics of the region under survey. My talk will describe my initial efforts in the use of synthetic spectroscopy and how it can be used to determine a variety of stellar para- meters such as temperature and abundances. The process involves the creation of stellar atmospheric models where a variety of variables can be altered and the resulting spectrum fitted to the actual spectrum obtained at the tele- scope to find the best fit.
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