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Upper limits on the mass of supermassive black holes from STIS archival data

Published online by Cambridge University Press:  01 July 2007

A. Beifiori ,
E. M. Corsini ,
E. Dalla Bontà ,
A. Pizzella ,
L. Coccato ,
M. Sarzi  and
F. Bertola
A. Beifiori
Affiliation:
Dipartimento di Astronomia, Università di Padova, vicolo dell'Osservatorio 3, I-35122 Padova, Italy email: alessandra.beifiori@unipd.it, enricomaria.corsini@unipd.it, elena.dallabonta@unipd.it, alessandro.pizzella@unipd.it, francesco.bertola@unipd.it
E. M. Corsini
Affiliation:
Dipartimento di Astronomia, Università di Padova, vicolo dell'Osservatorio 3, I-35122 Padova, Italy email: alessandra.beifiori@unipd.it, enricomaria.corsini@unipd.it, elena.dallabonta@unipd.it, alessandro.pizzella@unipd.it, francesco.bertola@unipd.it
E. Dalla Bontà
Affiliation:
Dipartimento di Astronomia, Università di Padova, vicolo dell'Osservatorio 3, I-35122 Padova, Italy email: alessandra.beifiori@unipd.it, enricomaria.corsini@unipd.it, elena.dallabonta@unipd.it, alessandro.pizzella@unipd.it, francesco.bertola@unipd.it
A. Pizzella
Affiliation:
Dipartimento di Astronomia, Università di Padova, vicolo dell'Osservatorio 3, I-35122 Padova, Italy email: alessandra.beifiori@unipd.it, enricomaria.corsini@unipd.it, elena.dallabonta@unipd.it, alessandro.pizzella@unipd.it, francesco.bertola@unipd.it
L. Coccato
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, Giessenbachstrasse 1, D-85748 Garching bei München, Germany email: lcoccato@mpe.mpg.de
M. Sarzi
Affiliation:
Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield AL10 9AB, UK email: m.sarzi@herts.ac.uk
F. Bertola
Affiliation:
Dipartimento di Astronomia, Università di Padova, vicolo dell'Osservatorio 3, I-35122 Padova, Italy email: alessandra.beifiori@unipd.it, enricomaria.corsini@unipd.it, elena.dallabonta@unipd.it, alessandro.pizzella@unipd.it, francesco.bertola@unipd.it
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Abstract

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The growth of supermassive black holes (SMBHs) appears to be closely linked with the formation of spheroids. There is a pressing need to acquire better statistics on SMBH masses, since the existing samples are preferentially weighted toward early-type galaxies with very massive SMBHs. With this motivation we started a project aimed at measuring upper limits on the mass of the SMBHs that can be present in the center of all the nearby galaxies (D < 100 Mpc) for which STIS/G750M spectra are available in the HST archive. These upper limits will be derived by modeling the central emission-line widths ([N II] λλ6548, 6583, Hα and [S II] λλ6716, 6731) observed over an aperture of ~01 (R < 50 pc). Here we present our preliminary results for a subsample of 76 bulges.

Keywords

black hole physicsgalaxies: kinematics and dynamicsgalaxies: structure
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S245: Formation and Evolution of Galaxy Bulges , July 2007 , pp. 233 - 234
Copyright
Copyright © International Astronomical Union 2008

References

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