Optical kinematics in the Cygnus Loop
article
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.
Topics
TNO Identifier
287048
Source
Astronomy & Astrophysics, 89(Suppl. Ser.), pp. 15-60.
Pages
15-60
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