Optically thick super-Eddington winds in Galactic superluminal sources

Details Optically thick super-Eddington winds in Galactic superluminal sources Optically thick super-Eddington winds in Galactic superluminal sources

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...344..199b&link_type=abstract

Astronomy and Astrophysics, v.344, p.199-204 (1999)

Astronomy and Astrophysics

Astrophysics

3

Acceleration Of Particles, Accretion, Accretion Disks, Radiation Mechanisms: Non-Thermal, Stars: Individual: Gro J 1655-40, Stars: Individual: Grs 1915+105

Scientific paper

A model of major ejection events in Galactic superluminal sources GRO J 1655-40 and GRS 1915-105 is proposed, in which episodes of e(-e^+) pair creation give rise to the formation of optically thick outflows accelerating protons to the limiting Lorentz factor of order 2-3. Probable source of e(-e^+) pairs is pion production in nucleon collisions. Subsequent deceleration of ejecta and formation of radio jets is analyzed in detail within a shock deceleration model. The detailed data available for GRO J 1655-40 are shown to be in good agreement with proposed scenario.

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