The relativistic Iron K-alpha line from an accretion disc onto a static non-baryonic compact object

Details The relativistic Iron K-alpha line from an accretion disc onto a static non-baryonic compact object The relativistic Iron K-alpha line from an accretion disc onto a static non-baryonic compact object

2002-05-24

arxiv.org/abs/astro-ph/0205418v1

Int.J.Mod.Phys.D12:63-78,2003

Astronomy and Astrophysics

Astrophysics

14 pages, 7 figures

Scientific paper

10.1142/S0218271803002718

This paper continues the study of the properties of an accretion disc rotating around a non-baryonic (assumed super-massive) compact object. This kind of objects, generically known as boson stars, were earlier proposed as a possible alternative scenario to the existence of super-masive black holes in the center of every galaxy. A dilute boson star has also been proposed as a large part of the non-baryonic dark matter, flattening galactic rotational velocities curves. In this contribution, we compute the profile of the emission lines of Iron; its shape has been for long known as a useful diagnosis of the space-time geometry. We compare with the case of a Schwarzschild black hole, concluding that the differences are observationally distinguishable.

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