2006
DOI: 10.1051/0004-6361:20065298
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The globular cluster mass/low mass X-ray binary correlation: implications for kick velocity distributions from supernovae

Abstract: Optical and X-ray studies of six nearby galaxies show that the probability a globular cluster will be an X-ray source is consistent with being linearly proportional to its mass. We show that this result is consistent with some recent estimates of the velocity kick distributions for isolated radio pulsars -those which are the sum of two Maxwellians, with the slower distribution at about 100 km s −1 -so long as a large fraction of the retained binaries are in binary systems with other massive stars. We confirm t… Show more

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Cited by 27 publications
(45 citation statements)
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“…The small core radii of GCs at these distances can only be constrained with extremely deep HST data, and the apparent constraints obtained from shallower data are unreliable. For example, we showed in Smits et al (2006) that including the core radii of M87 GCs estimated by Jordán et al (2004) did not improve the predictive power of the most likely relation for whether an X-ray binary will exist in a GC, compared to what is learned by just considering the effect of mass. The surface brightness fluctuation (SBF) distances from Tonry et al (2001) have been adopted throughout this paper when calculating distance-dependent quantities.…”
Section: Observations and Data Reductionmentioning
confidence: 93%
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“…The small core radii of GCs at these distances can only be constrained with extremely deep HST data, and the apparent constraints obtained from shallower data are unreliable. For example, we showed in Smits et al (2006) that including the core radii of M87 GCs estimated by Jordán et al (2004) did not improve the predictive power of the most likely relation for whether an X-ray binary will exist in a GC, compared to what is learned by just considering the effect of mass. The surface brightness fluctuation (SBF) distances from Tonry et al (2001) have been adopted throughout this paper when calculating distance-dependent quantities.…”
Section: Observations and Data Reductionmentioning
confidence: 93%
“…We have used the linear (B À I ) and (V À I ) color versus [ Fe/ H ] relations derived by Smits et al (2006) to convert the colors to [Fe/H ] and Tonry et al (2001) distances to convert the I-band magnitudes of the GCs to absolute magnitudes. There is no obvious correlation between the L X and any of the properties of the host GCs in Figure 7.…”
Section: Correlations With Lmxb Luminosity and The Implications On Blmentioning
confidence: 99%
“…In NGC 4365, which has a substantial sub-population of intermediate-age clusters (Puzia et al 2002;Larsen et al 2003;Kundu et al 2006), it is clear that there is an effect of metallicity on the probability a GC will be an X-ray source (Kundu et al 2003); roughly the same effect of metallicity is seen in NGC 3115 (Kundu et al 2003), which has only old GCs (Puzia et al 2002). This argues in favor of the idea that the metallicity effect is causual.…”
Section: Extragalactic Globular Cluster X-ray Sourcesmentioning
confidence: 99%
“…The most significant parameter is the cluster mass (Kundu et al 2002), with several studies finding that the probability a cluster will be an X-ray source scales in a manner consistent with M 1.1±0.1 (Kundu et al 2003;Jordan et al 2004;Smits et al 2006).…”
Section: Extragalactic Globular Cluster X-ray Sourcesmentioning
confidence: 99%
“…Various groups have attempted to derive the dependence of the observed LMXB rate on the globular cluster metallicity and mass by assuming a specific M/L ratio and colormetallicity correlation (Jordan et al 2004;Smits et al 2006;Sivakoff et al 2007). These studies generally agree that the mass dependence is roughly linear and the metallicity dependence is approximately Z 0.25 .…”
Section: The Effect Of Gc Environment On Lmxb Formation and Evolutionmentioning
confidence: 99%