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XXL AAOmega redshift catalogue

The table contains the redshifts of 3,660 X-ray selected sources in the XXL southern field. The redshifts were obtained with the **2dF** fibre positioner and **AAOmega spectrograph** on the **AAT**. ### The nature of the columns are as follows XXL Name RA Right ascension in decimal degrees (J2000) DEC Declination in decimal degrees (J2000) Redshift Redshift quality flag (see below) Comment: either AGN or Binary ### The redshift flag has 1 or three possible values * 6 - a star * 4 - the redshift is likely to be correct more than 99% of the time * 3 - the redshift is likely to be correct about 95% of the time Other redshift flags (1,2,5) are either not used or not shown.

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Cite this as

Chris Lidman (2015). Dataset: XXL AAOmega redshift catalogue. http://dx.doi.org/10.4225/50/567a71da1efb4

Retrieved: 22:56, 11 Jan 2026 (GMT)

Data Portal Metadata

Field Value
Author Chris Lidman
Version 1.0
Last Updated November 2, 2016, 11:50 (Australia/Sydney)
Publish Date December 22, 2015, 15:18 (Australia/Sydney)