Abstract
The analysis of a new sample of 91 high redshift quasars observed with the NTT (ESO, La Silla) leads to the detection of a 49 % overdensity of galaxies near the quasars (3″ ≤ r ≤ 13.7″), with a Student confidence level (SCL) of 97 %. Dividing this sample into radio loud and radio quiet subsamples, we find that the galaxy overdensity remains statistically significant only in the latter subsample of QSOs (excess of 54 % at a 98 % SCL).
based on data collected at the European Southern Observatory (La Silla, Chile)
This is a preview of subscription content, log in via an institution to check access.
Preview
Unable to display preview. Download preview PDF.
References
Borgeest, U., von Linde, J., Refsdal, S. (1991): submitted to A&A Letters
Fugmann, W. (1988): A&A 204, 73
Fugmann, W. (1990): A&A 240, 11
Hintzen, P., Romanishin, W., Valdes, F. (1991): Ap J 366, 7
Magain, P., Remy, M., Surdej, J., Swings, J.-P., Smette, A. (1990): in Lecture Notes in Physics # 360, ‘Gravitational Lensing', Springer Verlag, p. 57
Webster, R.L., Hewett, P.C., Harding, M.E., Wegner, G.A. (1988): Nat 336, 358
Author information
Authors and Affiliations
Editor information
Rights and permissions
Copyright information
© 1992 Springer-Verlag
About this paper
Cite this paper
Van Drom, E. (1992). Counts of galaxies around distant highly luminous QSOs. In: Kayser, R., Schramm, T., Nieser, L. (eds) Gravitational Lenses. Lecture Notes in Physics, vol 406. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-55797-0_108
Download citation
DOI: https://doi.org/10.1007/3-540-55797-0_108
Published:
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-55797-5
Online ISBN: 978-3-540-47286-5
eBook Packages: Springer Book Archive