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Related papers: Morphological classification and structural parame…

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We present a quantitative morphological analysis of 187 galaxies in a region covering the central 0.28 square degrees of the Coma cluster. Structural parameters from the best-fitting Sersic r^{1/n} bulge plus, where appropriate, exponential…

Astrophysics · Physics 2009-11-10 C. M. Gutierrez , I. Trujillo , J. A. L. Aguerri , A. W. Graham , N. Caon

We present the results of an isophotal shape analysis of galaxies in the Coma and Perseus clusters. These data, together with those of two previous papers, provide two complete samples of galaxies with reliable Hubble types in rich…

Astrophysics · Physics 2009-10-30 S. Andreon , E. Davoust , P. Poulain

This paper presents morphological type, membership, and U-V color for a sample of galaxies in the Coma cluster direction, complete down to M_B=-15.00 mag and extending down to M_B=-14.25 mag. We have examined 1155 objects from the GMP 1983…

Astrophysics · Physics 2009-11-13 R. Michard , S. Andreon

The traditional method of morphological classification, by visual inspection of images of uniform quality and by reference to standards for each type, is critically examined. The rate of agreement among traditional morphologists on the…

Astrophysics · Physics 2007-05-23 Stefano Andreon , Emmanuel Davoust

We have looked for differences in the galaxy properties along the Hubble sequence and for the dependence of these properties on the environment, in an absolute magnitude complete sample of 187 galaxies in the Coma cluster. The morphological…

Astrophysics · Physics 2007-05-23 Andreon Stefano

The Coma cluster is the ideal place to study galaxy structure as a function of environmental density in order to constrain theories of galaxy formation and evolution. Here we present the spectroscopy of 35 early type Coma galaxies, which…

Astrophysics · Physics 2007-05-23 Dörte Mehlert , Ralf Bender , Roberto P. Saglia , Gary Wegner

We carry out CCD photometry of galaxies in the 5.25 square region centered on Coma cluster down to $M_R=-16.0$, beyond the limit of conventional morphological classification. We use the angular two-point correlation function as well as…

Astrophysics · Physics 2009-10-30 N. Kashikawa , M. Sekiguchi , M. Doi , Y. Komiyama , S. Okamura , K. Shimasaku , M. Yagi , N. Yasuda

This is the first paper of a series investigating the scaling relations of early-type galaxies in clusters. Here we illustrate the multi-band imagery and the image reduction and calibration procedures relative to the whole sample of 22…

Astrophysics · Physics 2009-11-07 G. Fasano , D. Bettoni , M. D'Onofrio , P. Kjaergaard , M. Moles

The morphology of clusters of galaxies may be described with a set of parameters which contain information about the formation and evolutionary history of these systems. In this paper we present a preliminary study of the morphological…

Astrophysics · Physics 2009-11-10 V. Strazzullo , M. Paolillo , G. Longo , E. Puddu , S. G. Djorgovski , R. R. De Carvalho , R. R. Gal

We present integral-field spectroscopy of 27 galaxies in the Coma cluster observed with the Oxford SWIFT spectrograph, exploring the kinematic morphology-density relationship in a cluster environment richer and denser than any in the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 R. C. W. Houghton , Roger L. Davies , F. D'Eugenio , N. Scott , N. Thatte , F. Clarke , M. Tecza , G. S. Salter , L. M. R. Fogarty , T. Goodsall

We devise improved photometric parameters for the morphological classification of galaxies using a bright sample from the First Data Release of the Sloan Digital Sky Survey. In addition to using an elliptical aperture concentration index…

We present a statistical isophotal analysis of 138 early-type galaxies in the Antlia cluster, located at a distance of ${\sim} 35$ Mpc. The observational material consists of CCD images of four $36$ arcmin ${\times} 36$ arcmin fields…

Astrophysics of Galaxies · Physics 2018-03-13 Juan P. Calderón , Lilia P. Bassino , Sergio A. Cellone , Matías Gómez

Keck spectroscopy and Hubble Space Telescope WFPC2 imaging over a 1.5x1.5 Mpc field of CL1358+62 at z=0.33 are used to study the Fundamental Plane of galaxies based on a new, large sample of 53 galaxies. First, we have constructed the…

Astrophysics · Physics 2009-10-31 Daniel D. Kelson , Garth D. Illingworth , Pieter G. van Dokkum , Marijn Franx

We perform a morphological study of 124 spectroscopically confirmed cluster galaxies in the z=0.84 galaxy cluster RX J0152.7-1357. Our classification scheme includes color information, visual morphology, and 1-component and 2-component…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Julie B. Nantais , Hector Flores , Ricardo Demarco , Chris Lidman , Piero Rosati , M. James Jee

We present velocity dispersion measurements for 69 faint early-type galaxies in the core of the Coma cluster, spanning -22.0<M_R<-17.5 mag. We examine the L-\sigma relation for our sample and compare it to that of bright ellipticals from…

Astrophysics · Physics 2009-11-11 Ana Matkovic , Rafael Guzman

Evidence for clustering within the Coma cluster is found by means of a multiscale analysis of the combined angular-redshift distribution. We have compiled a catalogue of 798 galaxy redshifts from published surveys from the region of the…

Astrophysics · Physics 2009-10-30 M. Gambera , A. Pagliaro , V. Antonuccio-Delogu , U. Becciani

We present spectra of nine low-luminosity early-type galaxies (M_B > -17.5) in the Coma cluster. The spectra, which were obtained with the Multiple Mirror Telescope and cover the spectral region 3300-5350 A, exhibit a large variation in…

Astrophysics · Physics 2009-10-30 Nelson Caldwell , James Rose

As a demonstration of the capabilities of the new Oxford SWIFT integral field spectrograph, we present first observations for a set of 14 early-type galaxies in the core of the Coma cluster. Our data consist of I- and z-band spatially…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-29 Nicholas Scott , Ryan C. W. Houghton , Roger L. Davies , Michele Cappellari , Niranjan Thatte , Fraser J. Clarke , Matthias Tecza

We present extensive and accurate photometry in the near-infrared H band of a complete sample of objects in an area of about 400 arcmin2 toward the Coma cluster of galaxies. The sample, including about 300 objects, is complete down to H~17…

Astrophysics · Physics 2009-10-31 S. Andreon , R. Pello , E. Davoust , R. Dominguez , P. Poulain

In an earlier paper, we determined the morphological types of galaxies in the Coma Cluster using data from the HST/ACS Coma Cluster treasury survey. We found that of the 132 members, 51 are non dwarfs and 81 are dwarfs. We define dwarfs to…

Astrophysics of Galaxies · Physics 2024-05-21 Nagamani Poloji , Priya Hasan , S. N. Hasan
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