Creation of ``clumpy'' spectra as a result of turbulence in a Keplerian disk

Details Creation of ``clumpy'' spectra as a result of turbulence in a Keplerian disk Creation of ``clumpy'' spectra as a result of turbulence in a Keplerian disk

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..431..281w&link_type=abstract

Accretion processes in astrophysical systems: Some like it hot! - eigth astrophysics conference. AIP Conference Proceedings, Vo

Astronomy and Astrophysics

Astrophysics

1

Radiation Mechanisms, Polarization, Interstellar Masers, Infall, Accretion, And Accretion Disks, Active And Peculiar Galaxies And Related Systems

Scientific paper

Calculations have been performed for the spectral properties, and their variations in time, for astrophysical maser radiation from a Keplerian disk. Here, ``clumps'' are a consequence of incorporating turbulent velocities obtained by sampling from a Kolmogorov-like distribution. For plausible values of the rms turbulent velocities, the calculated spectra are similar to the observed spectra of the systemic and high velocity features of the sub-parsec disk at the nucleus of the galaxy NGC 4258.

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