[ASA] Second OzDES data release now available

[Tamara Davis]

Dear ASA,
We’re pleased to announce the second data release from the Australian Dark Energy Survey (OzDES).

This data release contains the complete redshift catalogue and all spectra from the full six years of OzDES observing.  Unlike many spectroscopic surveys, OzDES focused on repeated observations of a small number of fields, enabling deep and/or time-lapse spectra.  Over 2013-2019 we repeatedly observed the 10 Dark Energy Survey deep fields on the AAT with 2dF and AAOmega.  The final data release contains over 300,000 spectra, with a catalogue of ~30,000 redshifts for objects as faint as 24th magnitude and redshifts up to z~4.5.  Amongst these are thousands of supernova host galaxy spectra as well as spectral time sequences of almost 800 Active Galactic Nuclei.

The paper describing the survey and data release is here (Lidman et al. accepted to MNRAS): https://protect-au.mimecast.com/s/xawyCvl1rKi0n5Z3CQMbFN?domain=arxiv.org
The data are available on Data Central, see the documentation here: https://protect-au.mimecast.com/s/A6UECwV1vMfZEmnWCq_aTU?domain=docs.datacentral.org.au
For more details about OzDES see our website: https://protect-au.mimecast.com/s/HT2BCxngwOfq5Vj3sYMDD8?domain=mso.anu.edu.au

Enormous thanks to the amazing staff at the Anglo-Australian Telescope who made these observations possible, and to Data Central for hosting the data.
Best regards,
Tamara Davis on behalf of the OzDES team

:: Professor Tamara Davis :: School of Mathematics and Physics
:: The University of Queensland, Brisbane, QLD 4072, Australia
:: tamarad at physics.uq.edu.au<mailto:tamarad at physics.uq.edu.au> :: @tamarastro

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