Matches in SemOpenAlex for { <https://semopenalex.org/work/W4294958519> ?p ?o ?g. }
- W4294958519 endingPage "4861" @default.
- W4294958519 startingPage "4844" @default.
- W4294958519 abstract "Strongly-magnetized ($Bgeq10^{12}$ G) accreting neutron stars (NSs) are prime targets for studying the launching of jets by objects with a solid surface; while classical jet-launching models predict that such NSs cannot launch jets, recent observations and models argue otherwise. Transient Be/X-ray binaries (BeXRBs) are critical laboratories for probing this poorly-explored parameter space for jet formation. Here, we present the coordinated monitoring campaigns of three BeXRBs across four outbursts: giant outbursts of SAX 2103.5+4545, 1A 0535+262, and GRO J1008-57, as well as a Type-I outburst of the latter. We obtain radio detections of 1A 0535+262 during ten out of twenty observations, while the other targets remained undetected at typical limits of $20$-$50$ $mu$Jy. The radio luminosity of 1A 0535+262 positively correlates with its evolving X-ray luminosity, and inhabits a region of the $L_X$-$L_R$ plane continuing the correlation observed previously for the BeXRB Swift J0243.6+6124. We measure a BeXRB $L_X$-$L_R$ coupling index of $beta = 0.86 pm 0.06$ ($L_R propto L_X^beta$), similar to the indices measured in NS and black hole low-mass X-ray binaries. Strikingly, the coupling's $L_R$ normalisation is $sim 275$ and $sim 6.2times10^3$ times lower than in those two comparison samples, respectively. We conclude that jet emission likely dominates during the main peak of giant outbursts, but is only detectable for close-by or super-Eddington systems at current radio sensitivities. We discuss these results in the broader context of X-ray binary radio studies, concluding that our results suggest how supergiant X-ray binaries may host a currently unidentified additional radio emission mechanism." @default.
- W4294958519 created "2022-09-08" @default.
- W4294958519 creator A5013480528 @default.
- W4294958519 creator A5041167236 @default.
- W4294958519 creator A5063668081 @default.
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- W4294958519 creator A5075858737 @default.
- W4294958519 creator A5085578941 @default.
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- W4294958519 creator A5087214327 @default.
- W4294958519 date "2022-09-08" @default.
- W4294958519 modified "2023-10-13" @default.
- W4294958519 title "Radio monitoring of transient Be/X-ray binaries and the inflow–outflow coupling of strongly magnetized accreting neutron stars" @default.
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