Large-scale bipolar wind in M82

Details Large-scale bipolar wind in M82 Large-scale bipolar wind in M82

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.334...43b&link_type=abstract

Nature (ISSN 0028-0836), vol. 334, July 7, 1988, p. 43-45.

Mathematics

Logic

124

Astronomical Spectroscopy, Galactic Nuclei, Interstellar Matter, Irregular Galaxies, Reflection Nebulae, Doppler Effect, Forbidden Transitions, H Alpha Line, Spectrum Analysis, Starburst Galaxies

Scientific paper

New imaging Fabry-Perot observations of M82 are presented for the H-alpha and forbidden N II 6583 A spectral lines. The observations show for the first time that the line and continuum emission above and below the galactic disk arise from two morphologically and kinematically distinct components. The first component consists of filamentary, narrow-line emission organized into a bipolar outflow over the surfaces of two elongated bubbles. Direct evidence is presented for a second component of broad-line and continuum emission arising from a faint exponential halo that rotates slowly with the disk.

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