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145564 - OzDES multi-object fibre spectroscopy for the Dark Energy Survey.pdf (2.69 MB)
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OzDES multi-object fibre spectroscopy for the Dark Energy Survey: Results and second data release

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journal contribution
posted on 2023-05-21, 01:09 authored by Lidman, C, Tucker, BE, Davis, TM, Uddin, SA, Asorey, J, Krzysztof BolejkoKrzysztof Bolejko, Brout, D, Calcino, J, Carollo, D, Carr, A, Childress, M, Hoormann, JK, Foley, RJ, Galbany, L, Glazebrook, K, Hinton, SR, Kessler, R, Kim, AG, King, A, Kremin, A, Kuehn, K, Lagattuta, D, Lewis, GF, MacAulay, E, Malik, U, March, M, Martini, P, Moller, A, Mudd, D, Nichol, RC, Panther, F, Parkinson, D, Pursiainen, M, Sako, M, Swann, E, Scalzo, R, Scolnic, D, Sharp, R, Smith, M, Sommer, NE, Sullivan, M, Webb, S, Wiseman, P, Yu, Z, Yuan, F, Zhang, B, Abbott, TMC, Aguena, M, Allam, S, Annis, J, Avila, S, Bertin, E, Bhargava, S, Brooks, D, Carnero Rosell, A, Carrasco Kind, M, Carretero, J, Castander, FJ, Costanzi, M, da Costa, LN, De Vicente, J, Doel, P, Eifler, TF, Everett, S, Fosalba, P, Frieman, J, Garcia a-Bellido, J, Gaztanaga, E, Gruen, D, Gruendl, RA, Gschwend, J, Gutierrez, G, Hartley, WG, Hollowood, DL, Honscheid, K, James, DJ, Kuropatkin, N, Li, TS, Lima, M, Lin, H, Maia, MAG, Marshall, JL, Melchior, P, Menanteau, F, Miquel, R, Palmese, A, Paz-Chinchon, F, Plazas, AA, Roodman, A, Rykoff, ES, Sanchez, E, Santiago, B, Scarpine, V, Schubnell, M, Serrano, S, Sevilla-Noarbe, I, Suchyta, E, Swanson, MEC, Tarle, G, Tucker, DL, Varga, TN, Walker, AR, Wester, W, Wilkinson, RD
We present a description of the Australian Dark Energy Survey (OzDES) and summarize the results from its 6 years of operations. Using the 2dF fibre positioner and AAOmega spectrograph on the 3.9-m Anglo-Australian Telescope, OzDES has monitored 771 active galactic nuclei, classified hundreds of supernovae, and obtained redshifts for thousands of galaxies that hosted a transient within the 10 deep fields of the Dark Energy Survey. We also present the second OzDES data release, containing the redshifts of almost 30 000 sources, some as faint as rAB = 24 mag, and 375 000 individual spectra. These data, in combination with the time-series photometry from the Dark Energy Survey, will be used to measure the expansion history of the Universe out to z ∼ 1.2 and the masses of hundreds of black holes out to z ∼ 4. OzDES is a template for future surveys that combine simultaneous monitoring of targets with wide-field imaging cameras and wide-field multi-object spectrographs.


Australian Research Council


Publication title

Monthly Notices of the Royal Astronomical Society








School of Natural Sciences


Blackwell Publishing Ltd

Place of publication

9600 Garsington Rd, Oxford, England, Oxon, Ox4 2Dg

Rights statement

This article has been accepted for publication in Monthly notices of the Royal Astronomical Society ©: 2020 the authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.

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Expanding knowledge in the physical sciences