Ionized Gas Kinematics and the Central Mass of NGC 3245

Details Ionized Gas Kinematics and the Central Mass of NGC 3245 Ionized Gas Kinematics and the Central Mass of NGC 3245

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...19511511b&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #115.11; Bulletin of the American Astronomical Society, Vol. 31, p.1544

Astronomy and Astrophysics

Astronomy

Scientific paper

NGC 3245 is an S0 galaxy with a well-defined nuclear disk of dust and ionized gas. As part of a program to measure black hole masses in low-luminosity AGNs, we have obtained HST/STIS spectra of the nuclear disk at five parallel slit positions using the 0\farcs2-wide slit. The velocity field measured from the Hα and [N 2] λ6584 emission lines shows orderly rotation in the disk and a steep velocity gradient across the nucleus. We present the results of modeling the velocity field of the ionized gas and our measurement of the central mass.

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