Shock-heated gas in the outbursts of classical novae

Details Shock-heated gas in the outbursts of classical novae Shock-heated gas in the outbursts of classical novae

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.216..167o&link_type=abstract

Astrophysics and Space Science, vol. 216, no. 1-2, p. 167-172

Astronomy and Astrophysics

Astrophysics

1

Cooling Flows (Astrophysics), Emission Spectra, Interstellar Gas, Novae, Shock Wave Interaction, Stellar Mass Ejection, Stellar Models, Stellar Spectra, X Rays, Adiabatic Conditions, Light Curve, Radiative Heat Transfer, Two Dimensional Models, White Dwarf Stars, X Ray Astronomy

Scientific paper

We present a simple model for interactions between the slow and fast phases of mass ejection in classical nova outbursts. A situation develops in which a layer of hot gas sandwiched between two shocks progresses through the slow wind until it 'blows out,' expanding and cooling adiabatically. We calculate the X-ray emission from this model and find that the dynamical timescale is at least as important as the radiative cooling time in determining the form of the X-ray light curves. Models of this type may help to explain the origin of X-ray emission in some classical nova outbursts.

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