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Be Stars

As described in the Spectroscopic Atlas for Amateur Astronomers by Richard Walker:

Be stars form a large subgroup of the spectral class B, and all of them show a high rotation speed. A small number is still to find in the early A-class. These stars are mostly located on or near the Main Sequence of the HRD. A few Be-stars only have reached the giant stage with an upper limit of luminosity class III. The first Be-star, Cassiopeiae, was discovered in 1868 by Father Angelo Secchi, who wondered about the "bright lines" in this spectrum.

Be Stars were first introduced to me by French Amateur Astronomers Valerie Desnoux and Christian Buil in 2006.  They were the ones who have inspired me to over the years to realize what passionate people can accomplish in collecting scientific data.  Their free software programs Visual Spec and Integrated Spectrographic Innovative Software have enabled people like myself to expand their skills is spectroscopy.  Even though I have been interested in this part of amateur astronomy of many years, I am finally have the time to explore this challenging area.  Be Stars are one of many type of stars to collect data and study over time.  Here are some observations I have conducted and processed.


My first low resolulution spectra of a Hydrogen emmission line star.  7.5 light years away.


All the images in this site are Copyright 1999-2022 by Kevin Hearst.
Commercial use of these images without the prior written consent or knowledge of the author is strictly prohibited.

How I Started
The Equipment
Eclipsing Binaries
Be Stars
Wolf-Rayet Stars
Carbon Stars