Accretion Disks - New Aspects by Emmi Meyer-Hofmeister, Henk Spruit PDF

By Emmi Meyer-Hofmeister, Henk Spruit

ISBN-10: 3540628665

ISBN-13: 9783540628668

The main luminous compact gadgets are powered through accretion of mass. Accretion disks are the only universal and basic part of those assets on commonly various scales, starting from shut stellar binaries, galactic black holes and X-ray pulsars to lively galactic nuclei (AGN). Key new advancements in idea and observations, reviewed by way of specialists within the box, are awarded during this e-book. The contributions to the workshop hide the puzzles offered via the X-UV spectra of AGN and their variability, the new numerical simulations of magnetic fields in disks, the notable habit of the superluminal resource 1915+105 and the "bursting pulsar" 1744-28, to say many of the subject matters.

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Sterzik, M. 2004 Nature 429, 155. Clarke, C. J. & Armitage, P. J. 2003 MNRAS 345, 691. Clarke, C. J. & Bromm, V. 2003 MNRAS 343, 1224. Clarke, C. , & Sotomayor, M. 2001 MNRAS 328, 485. Clarke, C. J. & Oey, S. M. 2002 MNRAS 337, 1299. Crutcher, R. 1999 ApJ 520, 706. Dale, J. , Bonnell, I. , Clarke, C. , & Bate, M. R. 2004, MNRAS, submitted. D’Antona, F. & Caloi, V. 2004 ApJ, 611, 871. Delgado-Donate, E. , Clarke, C. , & Bate, M. R. 2003a MNRAS 342, 926. Delgado-Donate, E. , Clarke, C. , & Bate, M.

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Those lacking the spectral diagnostics of ongoing gas accretion) very rarely exhibit the millimeter emission indicative of cool outer disks, despite recent surveys probing to very low (few mJy) levels (Duvert et al. 2000; Mannings & Clarke 2004). The upper limits on the mass of millimeter emitting dust in these systems (around an earth mass) are not much greater than the detections of dust in the more massive debris disks (Wyatt, Dent, & Greaves 2003) and are one to two orders of magnitude lower than typical detections of millimeter emission in accreting T Tauri stars.

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Accretion Disks - New Aspects by Emmi Meyer-Hofmeister, Henk Spruit


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