... gas in giant ellipticals is ionized by means of a distributed source of ionization: (i) A significant correlation exists between the H +[N II] luminosity and the optical luminosity within the region occupied by the ionized gas, and (ii) the ionization ...
... a Gas-Rich Disk Galaxy and a Giant Elliptical: The Fate of the Gas and the Fueling ... gas and stars flows toward the center of the elliptical ; the disk of the Sp is ... of the hot gas component associated with the elliptical on the cold gas of the ...
... To interpret the gas kinematics we construct axisymmetric models in which the gas and dust reside in a disk in the equatorial plane of the stellar body, and are viewed at an inclination of 70 o . ...
... Adopting gas masses from previous works, the gas-to-dust ratios calculated from our fitting results show that the TTMBB fits require significantly more dust than are available even if all the metals present in the interstellar medium (ISM) were condensed ...
... The amount of molecular gas is a key to understanding the future star formation in a ... dust emission can be used as a tracer to unveil the total dense gas masses ...
... We also investigate the possibility that the FIR excess is associated with an additional gas component undetected in the available gas tracers. ...
... NUCLEAR GAS KINEMATICS OF NGC 7052 AND IC 1459 FROM HST/FOS SPECTRA To appear in ... measurements of the nuclear kine matics of the gas disks in NGC 7052 and IC 1459 ...
... Observations of edge-on galaxies such as these allow us to distinguish extraplanar gas from disk gas. ... the gas disks are truncated, the observations show evidence for a continuum of stripping states: symmetric, truncated gas disks ...
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... will benefit from (i) joint measurements of M_bh from gas and stellar kinematics in the same galaxies and (ii) a better understanding of the physical origin of the excess velocity dispersion commonly observed in nuclear gas disks of elliptical galaxies ...