A high resolution pressure scanned photoelectric Fabry-Perot spectrometer for velocity field studies of extended objects.

Details A high resolution pressure scanned photoelectric Fabry-Perot spectrometer for velocity field studies of extended objects. A high resolution pressure scanned photoelectric Fabry-Perot spectrometer for velocity field studies of extended objects.

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984spie..445...33s&link_type=abstract

Instrumentation in astronomy V, p. 33 - 36

Astronomy and Astrophysics

Astronomy

2

Fabry-Perot Spectrometers

Scientific paper

The paper briefly describes a high resolution (R ≈ 50,000) pressure scanned Fabry-Perot spectrometer with photon counting detection. The pressure variation is done in a step-wise fashion; the pressure and photon counts are simultaneously recorded at each step. The spectrometer along with its electronic data acquisition system is schematically given and some interesting results obtained in the velocity mapping of planetary nebulae NGC 3242 and NGC 6720 are presented.

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