Optical kinematics in the Cygnus Loop. I - Observations

Details Optical kinematics in the Cygnus Loop. I - Observations Optical kinematics in the Cygnus Loop. I - Observations

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26as...89...15g&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 89, no. 1, July 1991, p. 15-60. Research supported by Leids

Astronomy and Astrophysics

Astrophysics

2

Interstellar Matter, Line Spectra, Optical Properties, Radial Velocity, Shock Waves, Supernova Remnants, Astronomical Maps, Dynamics, Fabry-Perot Interferometers, H Alpha Line, Kinematics, Velocity Distribution, Wavelengths

Scientific paper

The small-scale radial-velocity structure of optical filaments in the Cygnus Loop supernova remnant was mapped in the H-alpha and forbidden O III 5007-A emission lines with a resolution of 6 arcsec spatially and 24 km/s in radial velocity. The imaging Fabry-Perot interferometer Taurus was used, and some aspects of velocity calibration are discussed. The calibrated data, in the form of 3D matrices of intensity as a function of sky position and radial velocity, are presented here as position-velocity cross-cuts, and as total intensity and radial velocity maps.

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