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Browsing by Author "Sarzi, M."
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Galaxy Zoo: a sample of blue early-type galaxies at low redshift
Schawinski, K.; Lintott, C.; Kaviraj, S.; Khochfar, S.; Land, K.; Thomas, D.; Bamford, S. P.; Nichol, R.C.; Sarzi, M.; Andreescu, D.; Murray, P.; Raddick, M.J.; Szalay, A.; Vandenberg, J.; Slosar, A.; Yi, S.K. (2009)We report the discovery of a population of nearby, blue early-type galaxies with high star formation rates (0.5 < SFR < 50 M⊙ yr−1) . They are identified by their visual morphology as provided by Galaxy Zoo for Sloan Digital ... -
Galaxy Zoo: the fraction of merging galaxies in the SDSS and their morphologies
Darg, D.W.; Kaviraj, S.; Lintott, C.J.; Silk, J.; Schawinski, K.; Sarzi, M.; Bamford, S.; Proctor, R.; Andreescu, D.; Murray, P.; Nichol, R.C.; Thomas, D.; Raddick, M.J.; Szalay, A.S.; Vandenberg, J.; Slosar, A. (2010)We present the largest, most homogeneous catalogue of merging galaxies in the nearby Universe obtained through the Galaxy Zoo project – an interface on the World Wide Web enabling large-scale morphological classification ... -
Galaxy Zoo: the fundamentally different co-evolution of supermassive black holes and their early- and late-type host galaxies
Schawinski, K.; Urry, C.M.; Virani, S.; Coppi, P.; Bamford, S.; Treister, E.; Lintott, C.; Sarzi, M.; Keel, W.; Kaviraj, S.; Cardamone, C.; Masters, K.L.; Ross, N.P.; Andreescu, D.; Murray, P.; Nichol, R.C.; Raddick, M.J.; Slosar, A.; Szalay, A.; Thomas, D.; Vandenberg, J. (2010)We use data from the Sloan Digital Sky Survey and visual classifications of morphology from the Galaxy Zoo project to study black hole growth in the nearby universe (z < 0.05) and to break down the active galactic nucleus ... -
Galaxy Zoo: The properties of merging galaxies in the nearby Universe - Local environments, colours, masses, star formation rates and AGN activity
Darg, D.W.; Kaviraj, S.; Lintott, C.J.; Silk, J.; Schawinski, K.; Sarzi, M.; Bamford, S.; Andreescu, D.; Murray, P.; Nichol, R.C.; Thomas, D.; Raddick, M.J.; Szalay, A.S.; Vandenberg, J.; Slosar, A. (2010)Following the study of Darg et al., we explore the environments, optical colours, stellar masses, star formation and active galactic nucleus activity in a sample of 3003 pairs of merging galaxies drawn from the Sloan Digital ... -
Giant Molecular Clouds in the Early-type Galaxy NGC 4526
Utomo, D.; Blitz, L.; Davis, T.; Rosolowsky, E.; Bureau, M.; Cappellari, M.; Sarzi, M. (2015-04-01)We present a high spatial resolution (≈20 pc) of 12CO(2 −1) observations of the lenticular galaxy NGC 4526. We identify 103 resolved giant molecular clouds (GMCs) and measure their properties: size R, velocity dispersion ... -
The High-Mass End of the Black Hole Mass Function: Mass Estimates in Brightest Cluster Galaxies
Dalla Bonta, E.; Ferrarese, L.; Corsini, E.M.; Miralda-Escude, J.; Coccato, L.; Sarzi, M.; Pizzella, A.; Beifiori, A. (2009) -
A Hubble Space Telescope Census of Nuclear Star Clusters in Late Type Spiral Galaxies. II. : Cluster Sizes and Structural Parameter Correlations
Baker, T.; Sarzi, M.; McLaughlin, D.E.; van der Marel, R.; Rix, H-W.; Ho, L.; Shields, J.C. (2004)We investigate the structural properties of nuclear star clusters in late-type spiral galaxies. More specifically, we fit analytical models to Hubble Space Telescope images of 39 nuclear clusters in order to determine their ... -
A Hubble Space Telescope Census of Nuclear Star Clusters in Late-Type Spiral Galaxies : Observations and Image Analysis
Boker, T.; Laine, S.; van der Marel, R.; Sarzi, M.; Rix, H-W.; Ho, L.; Shields, J.C. (2002) -
Hubble Space Telescope Spectroscopic Observations of the Narrow-Line Region in Nearby Low-Luminosity Active Galactic Nuclei
Walsh, J.L.; Barth, A.; Ho, L.; Filippenko, A.; Rix, H-W.; Shields, J.C.; Sarzi, M.; Sargent, W. (2008)We present Space Telescope Imaging Spectrograph observations of 14 nearby low-luminosity active galactic nuclei, including 13 LINERs and 1 Seyfert, taken at multiple parallel slit positions centered on the galaxy nuclei ... -
Investigating the merger origin of early-type galaxies using ultra-deep optical images
Duc, P.-A.; Bournaud, F.; Ferriere, E.; Cuillandre, J.-C.; Alatalo, K.; Blitz, L.; Bois, M.; Emsellem, E.; Lablanche, P.-Y.; Michel-Dansac, L.; Bureau, M.; Cappellari, M.; Davies, R.L.; Davis, T.A.; Scott, N.; Côté, P.; Ferrarese, L.; Gwyn, S.; MacArthur, L.; De Zeeuw, P.T.; Krajnovic, D.; Kuntschner, H.; Khochfar, S.; McDermid, R.M.; Morganti, R.; Oosterloo, T.; Serra, P.; Naab, T.; Sarzi, M.; Weijmans, A.; Young, L.M. (2010-12-01)The mass assembly of galaxies leaves various imprints on their surroundings, such as shells, streams and tidal tails. The frequency and properties of these fine structures depend on the mechanism driving the mass assembly: ... -
The kinematics and the origin of the ionized gas in NGC 4036
Cinzano, P.; Rix, H-W.; Sarzi, M.; Corsini, E.M.; Zeilinger, W.W.; Bertola, F. (1999)We present the kinematics and photometry of the stars and of the ionized gas near the centre of the S0 galaxy NGC4036. Dynamical models based on the Jeans Equation have been constructed from the stellar data to determine ... -
Limits on the mass of the Central Black Hole in sixteen nearby bulges
Sarzi, M.; Rix, H-W.; Shields, J.C.; McIntosh, D.; Ho, L.; Rudnick, G.; Filippenko, A.; Sargent, W.; Barth, A. (2002) -
A low upper mass limit for the central black hole in the late-type galaxy NGC 4414
Thater, S.; Krajnović, D.; Bourne, M. A.; Cappellari, M.; De Zeeuw, T.; Emsellem, E.; Magorrian, J.; McDermid, R. M.; Sarzi, M.; Van De Ven, G. (2017-01-01)We present our mass estimate of the central black hole in the isolated spiral galaxy NGC 4414. Using natural guide star adaptive optics assisted observations with the Gemini Near-Infrared Integral Field Spectrometer (NIFS) ... -
Minor merger origin for the circumnuclear starburst in NGC 7742
Mazzuca, L.M.; Sarzi, M.; Knapen, J.; Veilleux, S.; Swaters, R. (2006) -
Molecular gas and star formation in local early-type galaxies
Bureau, M.; Davis, T.A.; Cappellari, M.; Davies, R.L.; Scott, N.; Alatalo, K.; Blitz, L.; Crocker, A.F.; Young, L.M.; Combes, F.; Bois, M.; Emsellem, E.; Lablanche, P.-Y.; Bournaud, F.; De Zeeuw, P.T.; Krajnović, D.; Kuntschner, H.; Duc, P.-A.; Khochfar, S.; McDermid, R.M.; Morganti, R.; Oosterloo, T.; Serra, P.; Naab, T.; Sarzi, M.; Weijmans, A. (2010-12-01)The molecular gas content of local early-type galaxies is constrained and discussed in relation to their evolution. First, as part of the ATLAS survey, we present the first complete, large (260 objects), volume-limited ... -
Multiband photometric decomposition of nuclear stellar disks
Morelli, L.; Cesetti, M.; Corsini, E.M.; Pizzella, A.; Dalla Bonta, E.; Sarzi, M.; Bertola, F. (2010)Context. Small, bright stellar disks with scale lengths of a few tens of parsec are known to reside in the center of galaxies. They are believed to have formed in a dissipational process as the end result of star formation ... -
MUSE observations of the counter-rotating nuclear ring in NGC 7742
Martinsson, T.~P.~K.; Sarzi, M.; Knapen, J.~H.; Coccato, L.; Falcón-Barroso, J.; Elmegreen, B.~G.; de Zeeuw, T. (2018-04-01)Aims. We present results from MUSE observations of the nearly face-on disk galaxy NGC 7742. This galaxy hosts a spectacular nuclear ring of enhanced star formation, which is unusual in that it is hosted by a non-barred ... -
MUSE stares into the shadows: the high-resolution dust attenuation curve of NGC 5626
Viaene, S.; Sarzi, M.; Baes, M.; Fritz, J.; Puerari, I. (2017-12-01)The newest generation of integral field unit spectrographs brings three-dimensional mapping of nearby galaxies one step closer. While the focus up to this point was mostly on stars and ionized gas, it is also possible to ... -
Neutral hydrogen in nearby elliptical and lenticular galaxies: the continuing formation of early-type galaxies
Morganti, R.; de Zeeuw, P.T.; Oosterloo, T.; McDermid, R.M.; Krajnovic, D.; Cappellari, M.; Kenn, F.; Weijmans, A.; Sarzi, M. (2006) -
NGC 4435: a bulge-dominated galaxy with an unforeseen low-mass central black hole
Coccato, L.; Sarzi, M.; Pizzella, A.; Corsini, E.M.; Dalla Bonta, E.; Bertola, F. (2006)