ScholarLens Back to search
1992•Unpublished venueRequires access

THE ORBITAL PERlODS OF LOW-MASS X-RAY BINARlES

A. N. Parmar

Open publisher page 0 citations

Abstract

The evidence that LMXRB contain thick azimuthally structured accretion disks is discussed and the ways in which these can give rise to observable orbital modulations presented. The orbital period distribution of LMXRBs is shown to be similar to that of CV s except that there are no LMXRB with orbital periods between 1 and 2 hr corresponding to the SU Uma and AM Her binaries. The evidence that the orbital periods of some LMXRB are evolving on a timescale of ' 107 years is presented. Intriguingly of the systems studied in detail, two have increasing and two decreasing orbital periods.

About this research paper

What this paper is about

The evidence that LMXRB contain thick azimuthally structured accretion disks is discussed and the ways in which these can give rise to observable orbital modulations presented. The orbital period distribution of LMXRBs is shown to be similar to that of CV s except that there are no LMXRB with orbital periods between 1 and 2 hr corresponding to the SU Uma and AM Her binaries. The evidence that the orbital periods of some LMXRB are evolving on a timescale of ' 107 years is presented. Intriguingly of the systems studied in detail, two have increasing and two decreasing orbital periods.

Why it matters

A significance statement is not available in the OpenAlex record.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

The evidence that LMXRB contain thick azimuthally structured accretion disks is discussed and the ways in which these can give rise to observable orbital modulations presented. The orbital period distribution of LMXRBs is shown to be similar to that of CV s except that there are no LMXRB with orbital periods between 1 and 2 hr corresponding to the SU Uma and AM Her binaries. The evidence that the orbital periods of some LMXRB are evolving on a timescale of ' 107 years is presented. Intriguingly of the systems studied in detail, two have increasing and two decreasing orbital periods.

Key concepts: Orbital period, Physics, Orbital elements, Astrophysics, Orbital mechanics, Observable, Orbital inclination, Orbital speed

Related papers

Related paper 1Related paper 2Related paper 3
Back to paper searchBrowse research topicsOriginal source
THE ORBITAL PERlODS OF LOW-MASS X-RAY BINARlES — Research Paper | ScholarLens