English

The gravitational redshift of boson stars

General Relativity and Quantum Cosmology 2010-11-19 v1 Astrophysics

Abstract

We investigate the possible gravitational redshift values for boson stars with a self-interaction, studying a wide range of possible masses. We find a limiting value of zlim0.687z_{lim} \simeq 0.687 for stable boson star configurations. We compare theoretical expectation with the observational capabilities in several different wavebands, concluding that direct observation of boson stars by this means will be extremely challenging. X-ray spectroscopy is perhaps the most interesting possibility.

Keywords

Cite

@article{arxiv.gr-qc/9704029,
  title  = {The gravitational redshift of boson stars},
  author = {Franz E Schunck and Andrew R Liddle},
  journal= {arXiv preprint arXiv:gr-qc/9704029},
  year   = {2010}
}

Comments

7 pages RevTeX file with five figures incorporated (uses RevTeX and psfig)