Aperture synthesis of neutral hydrogen in the galaxy M33

Details Aperture synthesis of neutral hydrogen in the galaxy M33 Aperture synthesis of neutral hydrogen in the galaxy M33

Mar 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...204..703r&link_type=abstract

Astrophysical Journal, vol. 204, Mar. 15, 1976, pt. 1, p. 703-711, 713-716.

Astronomy and Astrophysics

Astronomy

126

Density Wave Model, Galactic Rotation, H Lines, Hydrogen Clouds, Spiral Galaxies, Velocity Distribution, Angular Velocity, Brightness Temperature, Contours, Density Distribution, Fine Structure, Galactic Structure, Radio Astronomy

Scientific paper

Observations of neutral hydrogen in the galaxy M33 with resolutions of 2 arcmin and 10 km/s are described. Detailed modeling has revealed weak evidence for spiral density waves with an arm-interarm contrast of 3 to 2 and with a corotation radius in the range from 7 to 12 arcmin. It has also disclosed substantial evidence for large-scale warping of the outer plane of this galaxy, similar to that found earlier in M83.

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