Velocity field structure in the Orion Nebula

Details Velocity field structure in the Orion Nebula Velocity field structure in the Orion Nebula

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993basi...21..569s&link_type=abstract

Astronomical Society of India, Bulletin (ISSN 0304-9523), vol. 21, no. 3-4, p. 569-573

Astronomy and Astrophysics

Astronomy

H Ii Regions, Line Spectra, Orion Nebula, Oxygen Isotopes, Velocity Distribution, Fabry-Perot Spectrometers, Interferometry, Radial Velocity, Spectral Line Width, Spectrum Analysis

Scientific paper

High quality interferograms have been obtained on the H II region in the Orion Nebula in the emission line of (OIII) 5007 A using the high resolution imaging Fabry-Perot spectrometer. Velocity profiles were obtained for about 2000 spatial positions. Two velocity components, a narrow one with full width at half maximum (FWHM) of around 20 +/- 3 km/sec and a broad one with FWHM of around 50 +/- 3 km/sec are predominantly present in the profiles across the nebula.

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