The velocity field in the central region of the galaxy Markaryan 538

Details The velocity field in the central region of the galaxy Markaryan 538 The velocity field in the central region of the galaxy Markaryan 538

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pazh....8..515a&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 8, Sept. 1982, p. 515-519) Soviet Astronomy Letters (ISSN 0360-0327), vol. 8, Sept.-Oct

Astronomy and Astrophysics

Astronomy

5

Astronomical Photography, Galactic Nuclei, Velocity Distribution, Radial Velocity, Spectrograms

Scientific paper

The velocity field in the central region of Mrk 538 is determined from image-tube spectrograms taken with the prime-focus grating spectrograph of the 6-m telescope. Noncircular gas motions are present near the position angle (150 deg) of the line of nodes. The region of the galaxy interior to 1.3-kpc radius has a mass of up to 4.3 billion solar masses. Tides from the companion galaxy may prevent the inner and outer parts of the disk from being coplanar. The central velocity gradient is 131 km/sec per kpc.

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