Other
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nascp3084..198d&link_type=abstract
In NASA, Ames Research Center, The Interstellar Medium in External Galaxies: Summaries of Contributed Papers p 198-200 (SEE N91-
Other
Astronomical Models, Elliptical Galaxies, Gas Flow, Hydrodynamics, Interstellar Matter, Luminosity, Supernovae, X Ray Sources, Halos, Losses, Populations, Stellar Mass, X Ray Telescopes
Scientific paper
In preparation for the next generation of x ray telescopes, researchers have begun a program investigating the evolving x ray properties of elliptical galaxies. Their galaxy models consist of a modified King profile for the luminous portion of the galaxy and can include an isothermal dark halo comprising 90 percent of the total mass. The stellar population is assumed to form at a rate which decreases exponentially on a dynamical time scale with a Salpeter initial mass function. Stellar mass loss occurs instantaneously as stars evolve off the main sequence. All stars more massive than 8 solar mass produce type II supernovae, while less massive stars loss mass through a planetary nebulae. The evolving rate of type I supernovae is normalized to a fraction, gammasn I, of Tammann's (1974) value. All of this information is then incorporated into a one-dimensional hydrodynamics code to determine the evolving dynamical state of the interstellar medium.
David Laurence P.
Forman William
Jones Christine
No associations
LandOfFree
Gas flows in elliptical galaxies 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 Gas flows in elliptical galaxies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gas flows in elliptical galaxies will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1095971