CCD photometry of Abell clusters. II - Surface photometry of 249 cluster galaxies

D. P. Schneider; J. E. Gunn; J. G. Hoessel

doi:10.1086/160973

CCD photometry of Abell clusters. II - Surface photometry of 249 cluster galaxies

D. P. Schneider, J. E. Gunn, J. G. Hoessel

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Abstract

The luminosity of the brightest cluster galaxies remains the best standard candle for observational cosmology. Studies of over 250 relatively nearby clusters show that the luminosity of these objects within an aperture of constant metric diameter has a dispersion of only 0.35 mag. The observations considered by Schneider et al. (1983) were acquired to measure the aperture luminosities of the brightest cluster galaxies. However, the data base, because of its high signal-to-noise ratio and large spatial coverage, allows several other investigations to be performed. In the present investigation, surface photometry of the brightness three galaxies within approximately 250 kpc of the cluster center is presented, taking into account the cores of 83 Abell clusters. The relevance of the photometry to cosmological studies is also discussed. It is found that dynamical friction does play an extremely important role in determining properties of brightest cluster galaxies and cluster morphology.

Original language	English (US)
Pages (from-to)	476-494
Journal	Astrophysical Journal
Volume	268
DOIs	https://doi.org/10.1086/160973
State	Published - May 1 1983

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@article{2912bb5f97174e44b7c86278fa9520e0,

title = "CCD photometry of Abell clusters. II - Surface photometry of 249 cluster galaxies",

abstract = "The luminosity of the brightest cluster galaxies remains the best standard candle for observational cosmology. Studies of over 250 relatively nearby clusters show that the luminosity of these objects within an aperture of constant metric diameter has a dispersion of only 0.35 mag. The observations considered by Schneider et al. (1983) were acquired to measure the aperture luminosities of the brightest cluster galaxies. However, the data base, because of its high signal-to-noise ratio and large spatial coverage, allows several other investigations to be performed. In the present investigation, surface photometry of the brightness three galaxies within approximately 250 kpc of the cluster center is presented, taking into account the cores of 83 Abell clusters. The relevance of the photometry to cosmological studies is also discussed. It is found that dynamical friction does play an extremely important role in determining properties of brightest cluster galaxies and cluster morphology.",

author = "Schneider, {D. P.} and Gunn, {J. E.} and Hoessel, {J. G.}",

year = "1983",

month = may,

day = "1",

doi = "10.1086/160973",

language = "English (US)",

volume = "268",

pages = "476--494",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "IOP Publishing Ltd.",

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TY - JOUR

T1 - CCD photometry of Abell clusters. II - Surface photometry of 249 cluster galaxies

AU - Schneider, D. P.

AU - Gunn, J. E.

AU - Hoessel, J. G.

PY - 1983/5/1

Y1 - 1983/5/1

N2 - The luminosity of the brightest cluster galaxies remains the best standard candle for observational cosmology. Studies of over 250 relatively nearby clusters show that the luminosity of these objects within an aperture of constant metric diameter has a dispersion of only 0.35 mag. The observations considered by Schneider et al. (1983) were acquired to measure the aperture luminosities of the brightest cluster galaxies. However, the data base, because of its high signal-to-noise ratio and large spatial coverage, allows several other investigations to be performed. In the present investigation, surface photometry of the brightness three galaxies within approximately 250 kpc of the cluster center is presented, taking into account the cores of 83 Abell clusters. The relevance of the photometry to cosmological studies is also discussed. It is found that dynamical friction does play an extremely important role in determining properties of brightest cluster galaxies and cluster morphology.

AB - The luminosity of the brightest cluster galaxies remains the best standard candle for observational cosmology. Studies of over 250 relatively nearby clusters show that the luminosity of these objects within an aperture of constant metric diameter has a dispersion of only 0.35 mag. The observations considered by Schneider et al. (1983) were acquired to measure the aperture luminosities of the brightest cluster galaxies. However, the data base, because of its high signal-to-noise ratio and large spatial coverage, allows several other investigations to be performed. In the present investigation, surface photometry of the brightness three galaxies within approximately 250 kpc of the cluster center is presented, taking into account the cores of 83 Abell clusters. The relevance of the photometry to cosmological studies is also discussed. It is found that dynamical friction does play an extremely important role in determining properties of brightest cluster galaxies and cluster morphology.

U2 - 10.1086/160973

DO - 10.1086/160973

M3 - Article

SN - 0004-637X

VL - 268

SP - 476

EP - 494

JO - Astrophysical Journal

JF - Astrophysical Journal

ER -

CCD photometry of Abell clusters. II - Surface photometry of 249 cluster galaxies

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