Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.221..543m&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 221, Aug. 1, 1986, p. 543-552.
Astronomy and Astrophysics
Astronomy
19
Astronomical Spectroscopy, Hydrogen Clouds, Infrared Spectra, Magellanic Clouds, Spectral Energy Distribution, Gas Dynamics, Infrared Astronomy Satellite, Radial Velocity
Scientific paper
Two narrow streams of infrared cirrus (30° and 12° in length), in regions of sky adjacent to the Large Magellanic Cloud, have been investigated. It is shown that the ridge lines of both streams lie on great circles. The neutral hydrogen associated with the streams was recognized by its very narrow line halfwidths (≡7.5 km s-1) and high peak temperatures, which were in contrast to the halfwidths and temperatures of adjacent 'local' hydrogen. The radial-velocity information obtained establishes that the streams are not in the vicinity of the LMC. In fact, it is obvious from their positions and structure that the streams must be fairly close to the sun. A brief discussion of the geometric and kinematic conditions in the streams is given.
Grognard J.-M. R.
Haynes Raymond F.
Malin David
McGee Richard X.
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