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From a diameter-limited sample of 86 `face-on' spiral galaxies, the bulge-to-disk size and luminosity ratios, and other quantitative measurements for the prominence of the bulge are derived. The bulge and disk parameters have been estimated…

Astrophysics · Physics 2012-04-26 Alister W. Graham

We present deep B- and R-band surface photometry for a sample of 21 galaxies with morphological types between S0 and Sab. We present radial profiles of surface brightness, colour, ellipticity, position angle and deviations of axisymmetry…

Astrophysics · Physics 2008-11-26 E. Noordermeer , J. M. van der Hulst

We investigate the stellar disk properties of a sample of 19 nearby spiral galaxies with low inclination and late Hubble type (Scd or later). We combine our high-resolution HST I-band observations with existing ground-based optical images…

Astrophysics · Physics 2009-11-07 Torsten Boeker , Rebecca Stanek , Roeland P. van der Marel

We present observational evidence for a galaxy `Type' dependence to the location of a spiral galaxy's disk parameters in the mu_0-log(h) (central disk surface-brightness - disk scale-length) plane. With a sample of ~40 Low Surface…

Astrophysics · Physics 2012-04-26 Alister W. Graham , W. J. G. de Blok

We present a sample of edge-on spiral galaxies both of early and late types.The sample consists of 175 galaxies in the Ks-filter, 169 galaxies in the H-filter and 165 galaxies in the J-filter. Bulge and disc decompositions of each galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2010-12-16 N. Ya. Sotnikova , V. P. Reshetnikov , A. V. Mosenkov

We analyse V and H-band surface photometry of a sample of 18 Sb-Sd galaxies. Combining high resolution HST images with ground-based NIR observations, we extract photometric profiles, which cover the whole disk and provide the highest…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 Katia Ganda , Reynier Peletier , Marc Balcells , Jesus Falcon-Barroso

The statistics of the fundamental bulge and disk parameters of galaxies and their relation to the Hubble sequence were investigated by an analysis of optical and near-infrared observations of 86 face-on spiral galaxies. The availability of…

Astrophysics · Physics 2009-05-29 Roelof S. de Jong

We combine deep optical and IR photometry for 326 spiral galaxies from two recent galaxy samples and report that the surface brightness profiles of late-type spirals are best fit by two exponentials. Moreover, the ratio of bulge and disk…

Astrophysics · Physics 2009-10-28 S. Courteau , R. S. de Jong , A. H. Broeils

We investigate the scaling relations of bulge and disk structural parameters for a sample of 108 disk galaxies.Structural parameters are obtained from 2D bulge/disk decomposition of H-band images.Bulges are modelled with a generalized…

Astrophysics · Physics 2009-11-10 L. K. Hunt , D. Pierini , C. Giovanardi

We investigate bulge and disk scaling relations using a volume-corrected sample of early- to intermediate-type disk galaxies in which, importantly, the biasing flux from additional nuclear components has been modeled and removed. Structural…

Astrophysics · Physics 2011-02-11 M. Balcells , A. W. Graham , R. F. Peletier

We present near-infrared (NIR) surface photometry of a sample of 14 early-type spirals with observed rotation curves. In this first paper, we report the results of two-dimensional parametric and non-parametric decompositions to separate the…

Astrophysics · Physics 2009-10-30 Giovanni Moriondo , Carlo Giovanardi , Leslie K. Hunt

A bulge-disk decomposition is made for 737 spiral and lenticular galaxies drawn from a SDSS galaxy sample for which morphological types are estimated. We carry out the bulge-disk decomposition using the growth curve fitting method. It is…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 N. Oohama , S. Okamura , M. Fukugita , N. Yasuda , O. Nakamura

We present data for a sample of 45 spiral galaxies over a range of Hubble types, imaged in the near-IR J and K bands. Parameters are calculated describing the bulge, disk and bar K-band light distributions, and we look for correlations…

Astrophysics · Physics 2007-05-23 M. S. Seigar , P. A. James

Using imaging data from the SDSS survey, we present the g' and r' radial stellar light distribution of a complete sample of ~90 face-on to intermediate inclined, nearby, late-type (Sb-Sdm) spiral galaxies. The surface brightness profiles…

Astrophysics · Physics 2009-11-11 M. Pohlen , I. Trujillo

(Abridged) A variety of formation scenarios was proposed to explain the diversity of properties observed in bulges. Studying their intrinsic shape can help in constraining the dominant mechanism at the epochs of their assembly. The…

Astrophysics · Physics 2015-05-13 J. Mendez-Abreu , J. A. L. Aguerri , E. M. Corsini , E. Simonneau

We present results of broad band {BVRI} observations of a sample of galaxies with a low surface brightness (LSB) disk and a bulge. These galaxies are well described as exponential disks and exponential bulges with no preferred value for…

Astrophysics · Physics 2007-05-23 M. Beijersbergen , W. J. G. de Blok , J. M. van der Hulst

It is an observational fact that bulges of spiral galaxies contain a high fraction of old and metal-rich stars. Following this observational fact, we have investigated colors of 21 bulges hosted by a selected sample of high surface…

Astrophysics · Physics 2008-11-26 Gaspar Galaz , Alvaro Villalobos , Leopoldo Infante , Carlos Donzelli

We present griz and H-band surface brightness profiles and bulge-disk decompositions for a morphologically-broad sample of 286 Virgo cluster galaxies. The H-band data come from a variety of sources including our survey of 171 galaxies at…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Michael McDonald , Stephane Courteau , R. Brent Tully , Joel Roediger

Kn-band images, unsharp-masked images, as well as major-axis and vertically- summed surface brightness profiles are presented for 30 edge-on spiral galaxies, most with a boxy or peanut-shaped (B/PS) bulge. Such galaxies have more complex…

Astrophysics · Physics 2009-11-11 M. Bureau , G. Aronica , E. Athanassoula , R. -J. Dettmar , A. Bosma , K. C. Freeman

Kn-band imaging of a sample of 30 edge-on spiral galaxies with a boxy or peanut-shaped (B/PS) bulge is discussed. Galaxies with a B/PS bulge tend to have a more complex morphology than galaxies with other bulge types, unsharp-masked images…

Astrophysics · Physics 2007-05-23 M. Bureau , G. Aronica , E. Athanassoula
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