| Issue |
A&A
Volume 366, Number 2, February I 2001
|
|
|---|---|---|
| Page(s) | 565 - 572 | |
| Section | Interstellar and circumstellar matter | |
| DOI | https://doi.org/10.1051/0004-6361:20000216 | |
| Published online | 15 February 2001 | |
Radial oscillations of relativistic stars*
1
Department of Physics, Aristotle University of Thessaloniki, Thessaloniki 54006, Greece e-mail: kokkotas@astro.auth.gr; ruoff@astro.auth.gr
2
Institut für Astronomie und Astrophysik, Universität Tübingen, Auf der Morgenstelle 10, 72076 Tübingen, Germany
K. D. Kokkotas
Received:
1
September
2000
Accepted:
7
November
2000
We present a new survey of the radial oscillation modes of neutron stars. This study complements and corrects earlier studies of radial oscillations. We present an extensive list of frequencies for the most common equations of state and some more recent ones. In order to check the accuracy, we use two different numerical schemes which yield the same results. The stimulation for this work comes from the need of the groups that evolve the full nonlinear Einstein equations to have reliable results from perturbation theory for comparison.
Key words: stars: neutron / stars: oscillations / equation of state / dense matter / gravitation
© ESO, 2001
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