The Case for Hypercritical Accretion in M33 X-7

Abstract

The spin parameter of the black hole in M33 X-7 has recently been measured to be a*=0.77+-0.05 (Liu et al. 2008). It has been proposed that the spin of the 15.65 M_sun black hole is natal. We show that this is not a viable evolutionary path given the observed binary orbital period of 3.45 days since the explosion that would produce a black hole with the cited spin parameter and orbital period would disrupt the binary. Furthermore, we show that the system has to be evolved through the hypercritical mass transfer of about 5 M_sun from the secondary star to the black hole.

4 pages

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• The evolution of black-hole mass and angular momentum
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Cited by in corpus (23)

• Black Hole Spin via Continuum Fitting and the Role of Spin in Powering Transient Jets
• Measuring the Spins of Accreting Black Holes
• A Determination of the Spin of the Black Hole Primary in LMC X-1
• The Origin of Black Hole Spin in Galactic Low-Mass X-ray Binaries
• LMXB and IMXB Evolution: I. The Binary Radio Pulsar PSR J1614-2230
• Black hole formation and fallback during the supernova explosion of a $40{\mathrm{M}}_{\odot }$ star
• The Science of the Einstein Telescope
• Formation of the black-hole binary M33 X-7 via mass-exchange in a tight massive system
• An alternative interpretation of GW190412 as a binary black hole merger with a rapidly spinning secondary
• Formation of wind-captured discs in Supergiant X-ray binaries : consequences for Vela X-1 and Cygnus X-1
• Dynamics of jets during the Common Envelope phase
• Disk formation and jet inclination effects in Common Envelopes
• Limits on hierarchical black hole mergers from the most negative ${\chi }_{\mathrm{eff}}$ systems
• Probing the progenitors of spinning binary black-hole mergers with long gamma-ray bursts
• Relativistic Bondi-Hoyle-Lyttleton Accretion onto a Rotating Black-Hole: Density Gradients
• The need for hypercritical accretion in massive black-hole binaries with large Kerr parameters
• Hypercritical Accretion for Black Hole High Spin in Cygnus X-1
• Unraveling the Formation History of the Black Hole X-ray Binary LMC X-3 from ZAMS to Present
• Hypercritical accretion during common envelopes in triples leading to binary black holes in the pair-instability-supernova mass gap
• An Argument for Weakly-Magnetized, Slowly-Rotating Progenitors of Long Gamma-Ray Bursts
• Three-Peak GRBs and Their Implications for Central Engines
• Spectral Analysis of New Black Hole Candidate AT2019wey Observed by NuSTAR
• Optical Light Curves of Luminous Eclipsing Black Hole X-ray Binaries