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Astron. Astrophys. 331, 809-814 (1998)

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Scale-invariant properties of the APM-Stromlo survey

F. Sylos Labini 1, 2 and M. Montuori 1

1 INFM Sezione Roma1, Dip. di Fisica, Universitá "La Sapienza", P.le A. Moro, 2, I-00185 Roma, Italy
2 Département de Physique Théorique, Université de Genève, 24, Quai E. Ansermet, CH-1211 Genève, Switzerland

Received 17 October 1997 / Accepted 12 November 1997


We investigate the statistical properties of the APM-Stromlo redshift survey by using the concepts and methods of modern Statistical Physics. We find that galaxy distribution in this survey exhibits scale invariant properties with fractal dimension [FORMULA], up to [FORMULA], i.e. the limit of its statistical validity, without any tendency towards homogenization. No intrinsic characteristic scales are definitely found in this galaxy sample. We present several tests to study the statistical reliability of the results.

Key words: methods: statistical; large-scale structure of Universe

© European Southern Observatory (ESO) 1998

Online publication: March 3, 1998