Photometry and gas kinematics of the spiral galaxy NGC 1566

Details Photometry and gas kinematics of the spiral galaxy NGC 1566 Photometry and gas kinematics of the spiral galaxy NGC 1566

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...357..415p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 357, July 10, 1990, p. 415-425.

Astronomy and Astrophysics

Astrophysics

20

H Alpha Line, Kinematics, Neutral Gases, Spiral Galaxies, Visual Photometry, Fabry-Perot Interferometers, Galactic Mass, Photographic Plates, Radio Telescopes

Scientific paper

A detailed photometric and kinematic study of the large two-armed Sbc spiral galaxy NGC 1566 has been undertaken based on prime focus photographic plates and TAURUS Fabry-Perot interferometry obtained with the Anglo-Australian 3.9 m telescope. The map of the velocity field has allowed an unambiguous determination of the inclination and angle of the line of nodes which had not been possible from the photometry alone. The kinematics do not show any evidence for the pronounced warp of the disk which had been previously suggested. The H-alpha emission map is dominated by one extremely bright H II complex in the northern arm which emits 20 percent of the total H-alpha flux from the disk.

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