Neutral hydrogen in binary and multiple galaxies

Details Neutral hydrogen in binary and multiple galaxies Neutral hydrogen in binary and multiple galaxies

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1443h&link_type=abstract

Astronomical Journal, vol. 87, Nov. 1982, p. 1443-1464. Consiglio Nazionale delle Ricerche

Astronomy and Astrophysics

Astronomy

32

Galactic Structure, Hydrogen Clouds, Neutral Gases, Spiral Galaxies, Angular Velocity, Astronomical Maps, Centimeter Waves, Contours, Galactic Rotation, Mass To Light Ratios, Radiant Flux Density, Red Shift

Scientific paper

H I observations of 28 galaxies, performed using the 305 m antenna at the 21 cm line, are reported for those galaxies belonging to pairs or small groups. The Arecibo beam is the primary H I distribution detector, and the size, flux and mass, redshift and rotation velocity, and spin orientation for each object are presented. Total indicative mass in individual galaxies and individual mass-to-light ratios, and nominal pair mass (for each pair, only statistically valid), are derived. It is noted that total mass-to-light ratios tend to be very similar within pairs. H I contour maps are included.

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