Infrared images of protostellar accretion disks - Theoretical models

Details Infrared images of protostellar accretion disks - Theoretical models Infrared images of protostellar accretion disks - Theoretical models

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...358..170l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 358, July 20, 1990, p. 170-182. Research supported by NATO and NSERC.

Astronomy and Astrophysics

Astronomy

37

Accretion Disks, Infrared Imagery, Infrared Sources (Astronomy), Interstellar Matter, Pre-Main Sequence Stars, Protostars, Density Distribution, Infrared Astronomy, Molecular Clouds, Near Infrared Radiation, Stellar Envelopes, Stellar Mass Accretion, Stellar Radiation

Scientific paper

Near-infrared images (1-2.2 microns) of young stellar objects, where the light distribution results from diffusion and absorption of radiation of the central stellar object by circumstellar dust, are presented. The distribution of matter is modeled as a combination of a disk, a clump, and a wind-blown cavity. Various density laws for the disk are explored, and numerical experiments are used to test the respective role of the three constituents of the model in the overall image. The essential factor that determines the aspect of the image is the degree of central condensation of the disk.

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