Variable pulse profile and the accretion geometry in GX 1 + 4

Details Variable pulse profile and the accretion geometry in GX 1 + 4 Variable pulse profile and the accretion geometry in GX 1 + 4

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.161...85m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 161, no. 1, Nov. 1989, p. 85-98.

Astronomy and Astrophysics

Astrophysics

2

Accretion Disks, Neutron Stars, Stellar Oscillations, X Ray Binaries, Astronomical Models, Magnetic Stars, Stellar Luminosity, Stellar Mass

Scientific paper

It is suggested that the variable pulse profile of GX 1 + 4 in the low-energy X-ray region results from the superposition of polar and disk components. The anomalous appearance during the spin-down episode can then be explained, if a transition from thin to thick accretion disk configuration is considered, which can develop at midly super-Eddington luminosity levels of the source. A close examination of the data suggests that the intrinsic period of the pulsar is about 4 min. A switching disk geometry can provide a natural explanation to pulse profile variations in more luminous accreting binary pulsars and also account for the transition between high and low spectral states seen in the case of the Cyg X-1 and low-mass X-ray binary systems.

Affiliated with

Also associated with

No associations

Rating

Variable pulse profile and the accretion geometry in GX 1 + 4 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Variable pulse profile and the accretion geometry in GX 1 + 4, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable pulse profile and the accretion geometry in GX 1 + 4 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1612996