Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...284..693h&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 284, no. 2, p. 693-698
Astronomy and Astrophysics
Astronomy
Eccentric Orbits, Orbital Elements, Orbital Mechanics, Radial Velocity, Red Shift, Relativity, Black Holes (Astronomy), Neutron Stars, Relativistic Velocity
Scientific paper
We investigate the general-relativistic radial-velocity (RV) curve of a source orbiting around a compact object (e.g., neutron star, black hole), Our results show a big difference between the classical and relativistic RV-curves. The intrinsic orbital parameters (eccentricity, longitude of periastron, periastron advance, etc.) of the source differ systematically from their apparent values obtained from classical analysis of the relativistic curve. These effects must be taken into account when the orbiting source is in a strong gravitational field. It may, in turn, provide a serious opportunity to test general relativistic effects.
Bao Gang
Hadrava Petr
Ostgaard Erlend
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