Stephan's quintet - H I distribution at high redshifts

Details Stephan's quintet - H I distribution at high redshifts Stephan's quintet - H I distribution at high redshifts

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...241l...1p&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 241, Oct. 1, 1980, p. L1-L5.

Astronomy and Astrophysics

Astronomy

10

Galactic Clusters, Hydrogen Clouds, Intergalactic Media, Radio Sources (Astronomy), Red Shift, Emission Spectra, Neutral Gases, Spatial Distribution

Scientific paper

Highly sensitive 21 cm observations between 5450 and 6950 km/s have measured H I emission from the Stephan's Quintet region on a uniformly spaced grid. A composite spectrum presenting a total profile of the region reveals weak emission at 5700 km/s and features centered at 6000 and 6600 km/s. All three neutral hydrogen features appear to be spatially extended, with dimensions 100 kpc and masses 10 to the 10th solar masses (assuming D(H I) = 88 Mpc). The H I emission regions are offset from each other and the optical galaxies in the quintet.

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