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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 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 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

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 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 the correlation between the bulge effective radius (r_e) and disk scale length (r_d), in the near-infrared K band for lenticular galaxies in the field and in clusters. We find markedly different relations between the two…

Astrophysics · Physics 2009-11-13 Sudhanshu Barway , Ajit Kembhavi , Yogesh Wadadekar , C. D. Ravikumar , Y. D. Mayya

We consider the luminosity and environmental dependence of structural parameters of lenticular galaxies in the near-infrared K band. Using a two-dimensional galaxy image decomposition technique, we extract bulge and disk structural…

Astrophysics · Physics 2014-11-18 Sudhanshu Barway , Yogesh Wadadekar , Ajit K. Kembhavi , Y. D. Mayya

We determine the parameters of scaling relations analogous to the Fundamental Plane of elliptical galaxies for the bulges and disks of a sample of 40 spiral galaxies. To this end we derive structural parameters (scalelengths and surface…

Astrophysics · Physics 2007-05-23 G. Moriondo , R. Giovanelli , M. Haynes

The K-band light-profiles from two statistically complete, diameter-limited samples of disk galaxies have been simultaneously modelled with a seeing-convolved Sersic r^{1/n} bulge and a seeing-convolved exponential disk. This has enabled an…

Astrophysics · Physics 2009-11-06 Alister W. Graham

We have analyzed the radial scales, central surface brightnesses, and colors of 404 disks of various types of galaxies. The central surface brightness mu0 and linear disk scale length h vary smoothly along the Hubble sequence of galaxies…

Cosmology and Nongalactic Astrophysics · Physics 2013-04-04 Alexander S. Gusev , Svetlana A. Guslyakova , Maria S. Khramtsova

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

Relying on samples of disk galaxies for which a detailed photometric bulge/disk decomposition has been provided in the literature, we examine the dependence of the bulge-to-disk luminosity ratio (B/D) on the blue absolute luminosity and on…

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

The development of two-dimensional (2D) bulge-to-disk decomposition techniques has shown their advantages over traditional one-dimensional (1D) techniques, especially for galaxies with non-axisymmetric features. However, the full potential…

Astrophysics of Galaxies · Physics 2017-10-27 Hua Gao , Luis C. Ho

A sample of edge-on spiral galaxies aimed at a study of the main structural and photometric parameters of edge-on galaxies both of early and late types is presented. The data were taken from the 2MASS in the J, H and K_s filters. The sample…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 A. V. Mosenkov , N. Ya. Sotnikova , V. P. Reshetnikov

We use deep r-band photometry and Halpha rotation curves for a sample of 290 late-type spirals to model their mass distribution within the optical radius. We examine luminosity profile decompositions into bulge and disk carefully and…

Astrophysics · Physics 2007-05-23 Adrick H. Broeils , Stephane Courteau

We present near-infrared imaging of a sample of 57 relatively large, Northern spiral galaxies with low inclination. After describing the selection criteria and some of the basic properties of the sample, we give a detailed description of…

Astrophysics · Physics 2009-11-07 J. H. Knapen , R. S. de Jong , S. Stedman , D. M. Bramich

We present optical and near-infrared (NIR) surface brightness and colour profiles,in bands ranging from U to K, for the disk and bulge components of a complete sample of 30 nearby S0 to Sbc galaxies with inclinations larger than 50 degrees.…

Astrophysics · Physics 2009-10-30 R. F. Peletier , M. Balcells

We analyse the properties of a sample of 22 bright isolated spiral galaxies on the basis of Johnson B,V,I images and optical rotation curves. The fraction of early morphological types in our sample of isolated galaxies (or in other samples…

Astrophysics · Physics 2007-05-23 I. Marquez , M. Moles

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
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