Physics – Optics
Scientific paper
Apr 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pasp..105..426h&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 105, no. 686, p. 426-431.
Physics
Optics
3
B Stars, Binary Stars, Blue Stars, H Alpha Line, Stellar Spectrophotometry, Variable Stars, Charge Coupled Devices, Fiber Optics, Stellar Envelopes, Stellar Spectra, Stellar Systems, Stellar Winds
Scientific paper
An experiment in automated, unattended fiber-optic stellar spectroscopy is described. Particular attention is paid to the critical technique used for placing the program star in the optical fiber. As a feasibility demonstration study, the equipment and technique have been used to acquire H-alpha spectra of P Cygni and Beta Lyrae over a six-week period. The P Cyg spectra show little systematic variability with time. The Beta Lyr spectra are assembled into a gray-scale phase-resolved spectral image. When displayed in this manner, the H-alpha and He I lines bear a resemblance to the spectra of cataclysmic variable stars that display a third-emission component, or S-wave.
Honeycutt Kent R.
Robertson John W.
Turner Gary Wayne
Vesper David N.
White James C. II
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