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The Astronomical Journal
Article . 2003 . Peer-reviewed
Data sources: Crossref
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HAL-INSU
Article . 2003
Data sources: HAL-INSU
https://dx.doi.org/10.48550/ar...
Article . 2003
License: arXiv Non-Exclusive Distribution
Data sources: Datacite
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Redshift-Distance Survey of Early-Type Galaxies: Circular-Aperture Photometry

Authors: Alonso, M. V.; Bernardi, M.; da Costa, L. N.; Wegner, G.; Willmer, C. N. A.; Pellegrini, P. S.; Maia, M. A. G.;

Redshift-Distance Survey of Early-Type Galaxies: Circular-Aperture Photometry

Abstract

We present R-band CCD photometry for 1332 early-type galaxies, observed as part of the ENEAR survey of peculiar motions using early-type galaxies in the nearby Universe. Circular apertures are used to trace the surface brightness profiles, which are then fit by a two-component bulge-disk model. From the fits we obtain the structural parameters required to estimate galaxy distances using the D_n-sigma and Fundamental Plane relations. We find that about 12% of the galaxies are well represented by a pure r^{1/4} law while 87% are best fit by a two component model. There are 356 repeated observations of 257 galaxies obtained during different runs that are used to derive statistical corrections and bring the data to a common system. We also use these repeated observations to estimate our internal errors. The accuracy of our measurements are tested by the comparison of 354 galaxies in common with other authors. Typical errors in our measurements are 0.011 dex for log{D_n}, 0.064 dex for log{r_e}, 0.086 mag arcsec^{-2} for and 0.09 for m_{R_C}, comparable to those estimated by other authors. The photometric data reported here represent one of the largest high-quality and uniform all-sky samples currently available for early-type galaxies in the nearby universe, especially suitable for peculiar motion studies.

51 pages, 12 figures, 6 tables, including full table6 (in http://webast.ast.obs-mip.fr/people/vicky/tables/) Accepted by AJ (scheduled for May 2003)

Country
France
Keywords

[PHYS.ASTR.CO] Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Astrophysics (astro-ph), FOS: Physical sciences, Astrophysics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
16
Average
Top 10%
Top 10%
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gold
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