... compact object surrounded by an unstable precessing massive accretiondisk ... accretion due to periodically triggered gravitational instability (Masada et al ... the periodic modulation of the accretion from the massive disk around the newborn ...
... Its profile is well described by an emission line originating from an accretiondisk viewed with an inclination angle ~ 40^\circ and with the emission arising from within a few tens of gravitational radii of the central black hole. ...
... Study of such composite galaxies will help address how the star formation and disk-accretion phenomena may have regulated each other at high redshift and how this coordination may have participated to the build-up of the relationship observed locally ...
... a simple, one-zone model of protostellar accretiondisks with high mass infall rates ... Close stars and an inactive accretiondisk in Sgr A*: Eclipses and flares . ... A cold neutral and extremely dim accretiondisk may be present as a remnant of a ...
... is consistent with multiple dark matter disks, aligned parallel to the midplane ... This emission is consistent with inefficient accretion \({10}^{-5}-{10}^{-4}\dot{M ... Hyper-Eddington accretion flows onto massive black holes . ...