Accretion disks around T Tauri stars. III - A chi-square analysis of disk parameters

Details Accretion disks around T Tauri stars. III - A chi-square analysis of disk parameters Accretion disks around T Tauri stars. III - A chi-square analysis of disk parameters

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...263..113b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 263, no. 1-2, p. 113-122.

Astronomy and Astrophysics

Astrophysics

15

Accretion Disks, Spectral Energy Distribution, Stellar Structure, T Tauri Stars, Stellar Mass Accretion, Stellar Models

Scientific paper

A new method for modelling the spectral energy distribution of T Tauri stars is presented. Disk parameters are derived by computing spectra from a system made up of a central late-type star and its surrounding accretion disk and boundary layer and comparing them to an observed spectral energy distribution. An new automated 'unprejudiced' chi-square method is used to find the best-fitting models. Solutions that best fit DF Tau's energy distributions are presented. Maps of chi-square distributions over the entire parameter space are presented and the issue of the uniqueness of disk solutions is discussed.

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