Radiative acceleration of gas above a luminous disk

Details Radiative acceleration of gas above a luminous disk Radiative acceleration of gas above a luminous disk

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.266..699i&link_type=abstract

Nature, vol. 266, Apr. 21, 1977, p. 699-701. Research supported by the European Space Agency, NSF, and NASA.

Physics

13

Mass Flow, Particle Acceleration, Quasars, Radiation Pressure, Optical Thickness, Stellar Mass Ejection, Thermal Radiation

Scientific paper

Radiative acceleration as a mechanism for ejection of matter from quasistellar objects is considered, and calculations are presented showing that a strongly beamed outflow will result if the source of the driving radiation is a disk. The net forces exerted by an infinitesimally thin, optically thick disk emitting thermal radiation with given intensity on clouds or particles is calculated, and conditions for beaming are obtained. Apparently it is possible to establish strong beaming within a distance of the order of the disk radius.

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