Constraints on Mass and Accretion Rate for H0557—503
{2{ The accretion geometry strongly depends on the mass accretion rate _M and system parameters, such as the mass of the components, the orbital separ
... We discuss the implications of XMM observations in the study of temporal and spectral characteristics of magnetic Cataclysmic Variables. The long XMM orbit, the unique high temporal resolution of EPIC cameras together ...
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Strong constraints on a super-Eddington accretion flow : XMM–Newton observations of an intermediate-mass black hole.
... (2011). The majority of NLS1 show less optical variability than the broad-line Seyferts (e.g. Ai et al. 2013, but see Kelly et al. 2013). This is somewhat surprising in view of their higher X-ray variability (e.g. Ponti ...
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Super-Eddington QSO RX J0439.6-5311 – II. Multiwavelength constraints on the global structure of the accretion flow.
... the mass accretion rate through the outer ...super-Eddington accretion flow where the inner disc puffs up, shielding much of the potential NLR material, and show how inclination angle with ...
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Using the Outskirts of Galaxy Clusters to Determine their Mass Accretion Rate
... We have seen that the impact of the choice of this parameter strongly depends on the number of clusters in the sample. The larger the size of the sample, the lower the spread in the distribution of v i and then the lower ...
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DEPENDENCE OF THE OUTER DENSITY PROFILES OF HALOS ON THEIR MASS ACCRETION RATE
... physical accretion (based on the minimum es- timator of pseudo-evolution defined in Diemer et ...the accretion rate of halos, Γ, as indicated in the leg- ...between mass accretion ...
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The Orbital Modulation for the Spectrum and Mass Accretion Rate in Circinus X 1
... of mass accretion rates along the orbital ...disk accretion rate is super-Eddington and increases abruptly, then after the periastron passage until the apas- tron it decreases rapidly and ...
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Mass-loaded spherical accretion flows
... outermost accretion shock, and the stability properties of the flow, are unchanged when calculations are performed at higher resolution using either constant or expanding cell ...multiple accretion shocks ...
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Explaining changing-look AGN with state transition triggered by rapid mass accretion rate drop.
... phenomena. This spectral hardening appears similar to the soft-to-hard state tran- sition in black hole binaries at L/L Edd ∼ 0.02, where the inner disc evaporates into an advection dominated accretion flow, while ...
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Temperaments of young stars : rapid mass accretion rate changes in T Tauri and Herbig Ae stars
... mean accretion rate changes, inferred from the line fluxes, are ...to accretion rate variability on similar time-scales (days), thereby constraining the accretion rate ...
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Accretion in supergiant High Mass X-ray Binaries
... High Mass X-ray Binary systems (sgHMXBs) consist of a massive, late type, star and a neutron ...Wind accretion onto compact object triggers X-ray emission, which alters the stellar wind ...the ...
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Blinded by the light: on the relationship between CO first overtone emission and mass accretion rate in massive young stellar objects
... precise accretion rates that we derive for each model, and the strength of the underlying dust continuum, will be influenced by many of the parameters we have chosen to fix during the modelling ...of ...
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Retrograde Accretion Discs in High-Mass Be/X-Ray Binaries
... In this work, we use the data from 53 high-mass Be/X-ray binaries in the Small Magellanic Cloud to demonstrate that the distribution of spin-period derivatives vs. spin periods of spinning-down pulsars is not at ...
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T Tauri stars : mass accretion and X ray emission
... calculate mass accretion rates and accretion filling ...wedge-shaped accretion disc, with an opening angle of approximately 10 ◦ ...isothermal accretion flows where material leaves the ...
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Evidence for a correlation between mass accretion rates onto young stars and the mass of their protoplanetary disks
... the mass accretion rate onto the central young star and the mass of the surrounding protoplanetary disk has long been theoretically predicted and observationally ...parameters, mass ...
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CiteSeerX — Strong observational constraints on Advection-Dominated Accretion in the cores of elliptical galaxies
... advection–dominated accretion flows (ADAFs) with their associated low radiative efficiency, might provide a very promising explanation for the observed qui- escence of these ...strong constraints on the ...
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Neutrino mass constraints on electroweak parameters
... neutrino mass and naturalness considerations to obtain model-independent expectations for the magnitude of possible contributions to muon decay Michel parameters from new physics above the electroweak ...
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Constraints of Leptogenesis on the Neutrino Mass Models
... KEYWORDS:Leptogenesis, baryon asymmetry, neutrino masses, Majorana right-handed neutrinos. I. I NTRODUCTION A tiny nonzero neutrino masses are bonafide evidence for physics beyond the SM.After 20 years of intense ...
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Hydrodynamics of Mass Transfer and Accretion in Close Binary Systems With Compact Objects
... Michael Parker Owen was born in La Jolla, California on January 21, 1972, the youngest of the six children of Robert Craft Owen and Betty Parker Owen. At a very young age he moved with his family to Wilmington, North ...
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The fight for accretion : discovery of intermittent mass transfer in BB Doradus in the low state
... the accretion events We have shown that BB Dor shows sporadic accretion activity during the low state which translates into significant broadening of the narrow, mainly Balmer and He I emission lines, and ...
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Three-dimensional Hydrodynamic Simulations of Accretion in High-mass X-ray Binaries.
... 4.4 Analysis 4.4.1 Flip-flop Instability None of our simulations display evidence of the flip-flop instability. Rotational flow occurs frequently for scale heights less than R a , but it does not result in the formation ...
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