Luminosity Dependent Change of Cyclotron Resonance Energies of Binary X-ray Pulsar V0332+53

Details Luminosity Dependent Change of Cyclotron Resonance Energies of Binary X-ray Pulsar V0332+53 Luminosity Dependent Change of Cyclotron Resonance Energies of Binary X-ray Pulsar V0332+53

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1379..193n&link_type=abstract

ASTROPHYSICS OF NEUTRON STARS 2010: A Conference in Honor of M. Ali Alpar. AIP Conference Proceedings, Volume 1379, pp. 193-194

Astronomy and Astrophysics

Astrophysics

Pulsars, Accretion, X-Ray Binary Stars, Cyclotron Resonance, Pulsars, Accretion And Accretion Disks, X-Ray Binaries, Diamagnetic And Cyclotron Resonances

Scientific paper

We report on the analysis result of the X-ray pulsar V0332+53 (X0331+53) observed by RXTE in 2004-2005 outburst. This source is known to have the multiple cyclotron resonance lines at ~25 and ~50 keV. We have confirmed that the fundamental resonance energy increased from ~22 to ~27 keV as the source luminosity changed from 3.5×1038 ergs/s to 1.0×1038 ergs/s. In addition, we have revealed that the second resonance changed from ~49 to ~54 keV. The observed resonance energy ratio between the second and the fundamental cyclotron line was ~2.2 when the source was most luminous, whereas the ratio decreased to the nominal value of 2.0 at the least luminous state. This result implies that the second resonance shows a weaker fractional change compared to the fundamental line. The change of the resonance energy ratio may result from the different heights of the cyclotron scattering in the accretion column.

Affiliated with

Also associated with

No associations

Rating

Luminosity Dependent Change of Cyclotron Resonance Energies of Binary X-ray Pulsar V0332+53 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 Luminosity Dependent Change of Cyclotron Resonance Energies of Binary X-ray Pulsar V0332+53, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Luminosity Dependent Change of Cyclotron Resonance Energies of Binary X-ray Pulsar V0332+53 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1078666