SIMBAD references

2010ApJ...716..758H - Astrophys. J., 716, 758-765 (2010/June-2)

AMiBA: scaling relations between the integrated Compton-y and X-ray-derived temperature, mass, and luminosity.

HUANG C.-W.L., WU J.-H.P., HO P.T.P., KOCH P.M., LIAO Y.-W., LIN K.-Y., LIU G.-C., MOLNAR S.M., NISHIOKA H., UMETSU K., WANG F.-C., ALTAMIRANO P., BIRKINSHAW M., CHANG C.-H., CHANG S.-H., CHANG S.-W., CHEN M.-T., CHIUEH T., HAN C.-C., HUANG Y.-D., HWANG Y.-J., JIANG H., KESTEVEN M., KUBO D., LI C.-T., MARTIN-COCHER P., OSHIRO P., RAFFIN P., WEI T. and WILSON W.

Abstract (from CDS):

We investigate the scaling relations between the X-ray and the thermal Sunyaev-Zel'dovich effect properties of clusters of galaxies, using data taken during 2007 by the Y. T. Lee Array for Microwave Background Anisotropy (AMiBA) at 94 GHz for the six clusters A1689, A1995, A2142, A2163, A2261, and A2390. The scaling relations relate the integrated Compton-y parameter Y2500 to the X-ray-derived gas temperature Te, total mass M2500, and bolometric luminosity LX within r2500. Our results for the power-law index and normalization are both consistent with the self-similar model and other studies in the literature except for the Y2500-LXrelation, for which a physical explanation is given though further investigation may be still needed. Our results not only provide confidence for the AMiBA project but also support our understanding of galaxy clusters.

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Journal keyword(s): cosmic background radiation - cosmology: observations - galaxies: clusters: general - X-rays: galaxies: clusters

Simbad objects: 6

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