Hydrodynamic models of a Cepheid atmosphere. I - Deep envelope models

Details Hydrodynamic models of a Cepheid atmosphere. I - Deep envelope models Hydrodynamic models of a Cepheid atmosphere. I - Deep envelope models

Jul 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...199..448k&link_type=abstract

Astrophysical Journal, vol. 199, July 15, 1975, pt. 1, p. 448-455, 457-461.

Physics

Optics

22

Astronomical Models, Cepheid Variables, Light Curve, Radiative Transfer, Stellar Atmospheres, Stellar Envelopes, Atmospheric Models, Atmospheric Optics, Hertzsprung-Russell Diagram, Hydrodynamics, Optical Thickness

Scientific paper

The implicit hydrodynamic code of Kutter and Sparks has been modified to include radiative transfer effects. This modified code has been used to compute deep envelope models of a classical Cepheid with a period of 12 days. It is shown that in this particular model the hydrogen ionization region plays only a small role in producing the observed phase lag between the light and velocity curves. The cause of the bumps on the model's light curve is examined, and a mechanism is presented to explain those Cepheids with two secondary features on their light curves. This mechanism is shown to be consistent with the Hertzsprung sequence only if the evolutionary mass-luminosity law is used.

Affiliated with

Also associated with

No associations

Rating

Hydrodynamic models of a Cepheid atmosphere. I - Deep envelope models does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Hydrodynamic models of a Cepheid atmosphere. I - Deep envelope models, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydrodynamic models of a Cepheid atmosphere. I - Deep envelope models will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1755185