J/A+A/338/813 Galaxy clusters σ-T relationship (Wu+ 1998)
Updating the σ-T relationship for galaxy clusters
Wu X.-P., Fang L.-Z., Xu W.
<Astron. Astrophys. 338, 813 (1998)>
=1998A&A...338..813W 1998A&A...338..813W (SIMBAD/NED BibCode)
ADC_Keywords: Clusters, galaxy ; Velocity dispersion
Keywords: galaxies: clusters: general - X-rays: galaxies
Description:
This is a sample of 149 galaxy clusters for which both the X-ray
determined temperature T of the intracluster gas and the optical
measured velocity dispersion σ of the cluster galaxies have been
available.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 57 149 Cluster Sample
table1.ps 72 854 PostScript version of table1.dat
table1.tex 76 284 LaTeX version of table1.dat
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 11 A11 --- Cluster Cluster name
13- 18 F6.4 --- z Redshift
20- 24 F5.2 keV T Temperature of the X-ray intracluster gas
26- 29 F4.2 keV E_T ? Error in T (upper limit)
31- 34 F4.2 keV e_T ? Error in T (lower limit)
36- 39 I4 km/s sigma Velicoty dispersion of the cluster galaxies
41- 43 I3 km/s E_sigma ? Error in sigma (upper limit)
45- 47 I3 km/s e_sigma ? Error in sigma (lower limit)
49- 52 F4.2 --- beta β spectral index
54- 57 F4.2 --- e_beta ? rms uncertainty on beta
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Acknowledgements: Xiang-Ping Wu ,
(End) Patricia Bauer [CDS] 14-Aug-1998