An H I synthesis study of the galaxy/QSO pair NGC 6503/1749 + 70.1

Details An H I synthesis study of the galaxy/QSO pair NGC 6503/1749 + 70.1 An H I synthesis study of the galaxy/QSO pair NGC 6503/1749 + 70.1

Mar 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....96..393s&link_type=abstract

Astronomy and Astrophysics, vol. 96, no. 1-2, Mar. 1981, p. 393-400.

Astronomy and Astrophysics

Astronomy

10

Hydrogen Clouds, Mapping, Microwave Spectra, Quasars, Radio Astronomy, Spiral Galaxies, Density Distribution, Galactic Rotation, Hydrogen Atoms, Radial Distribution, Velocity Distribution

Scientific paper

The galaxy/quasar pair NGC 6503/1749 + 70.1 has been mapped with a 1-arcmin beam in the 21-cm H I line using the Westerbork Synthesis Radio Telescope. The neutral hydrogen associated with the low-mass spiral galaxy shows an asymmetric distribution, and is centrally concentrated. A flat rotation curve is seen, resulting in a sharply rising mass-to-light ratio with radius, as well as kinematical evidence for warping of the H I plane. There are no clear cut morphological or physical features indicating an association of the galaxy and quasar.

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