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| Query : 2011A&A...525A.111I |
2011A&A...525A.111I - Astronomy and Astrophysics, volume 525A, 111-111 (2011/1-1)
Achromatic late-time variability in thermonuclear X-ray bursts. An accretion disk disrupted by a nova-like shell?
IN'T ZAND J.J.M., GALLOWAY D.K. and BALLANTYNE D.R.
Abstract (from CDS):
An unusual Eddington-limited thermonuclear X-ray burst was detected from the accreting neutron star in 2S 0918-549 with the Rossi X-ray Timing Explorer. The burst commenced with a brief (40ms) precursor and maintained near-Eddington fluxes during the initial 77s. These characteristics are indicative of a nova-like expulsion of a shell from the neutron star surface. Starting 122s into the burst, the burst shows strong (87±1% peak-to-peak amplitude) achromatic fluctuations for 60s. We speculate that the fluctuations are caused by Thompson scattering by fully-ionized inhomogeneities in a resettling accretion disk that was disrupted by the effects of super-Eddington fluxes. An expanding shell may be the necessary prerequisite for the fluctuations.
Abstract Copyright: ∼
Journal keyword(s): accretion, accretion disks - X-rays: binaries - X-rays: bursts - X-rays: individual: 2S 0918-549
Simbad objects: 8
| Number of rows : 8 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | V* V1055 Ori | LXB | 06 17 07.3565603963 | +09 08 13.515857360 | 18.80 | 18.5 | ~ | 560 | 1 | |||
| 2 | 4U 0919-54 | LXB | 09 20 26.4818170056 | -55 12 24.512806404 | 20.40 | 21.30 | 21.0 | ~ | 164 | 0 | ||
| 3 | 4U 1246-58 | LXB | 12 49 39.364 | -59 05 14.68 | 19.24 | 18.99 | ~ | 95 | 0 | |||
| 4 | V* QX Nor | LXB | 16 12 43.0 | -52 25 23 | ~ | 905 | 1 | |||||
| 5 | V* V801 Ara | LXB | 16 40 55.5976953528 | -53 45 04.948107156 | 17.50 | 18.20 | 17.5 | 17.07 | ~ | 869 | 1 | |
| 6 | 1ES 1735-26.9 | LXB | 17 38 17.12 | -26 59 38.6 | ~ | 167 | 0 | |||||
| 7 | X Sgr X-4 | LXB | 18 23 40.57 | -30 21 40.6 | 19.06 | 18.81 | ~ | 991 | 1 | |||
| 8 | CXOU J212958.1+121002 | XB* | 21 29 58.06 | +12 10 02.6 | 16.6 | ~ | 78 | 1 |
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