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The VIMOS Public Extragalactic Redshift Survey (VIPERS) : full spectroscopic data and auxiliary information release (PDR-2)

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Date
01/2018
Author
Scodeggio, M.
Guzzo, L.
Garilli, B.
Granett, B. R.
Bolzonella, M.
de la Torre, S.
Abbas, U.
Adami, C.
Arnouts, S.
Bottini, D.
Cappi, A.
Coupon, J.
Cucciati, O.
Davidzon, I.
Franzetti, P.
Fritz, A.
Iovino, A.
Krywult, J.
Le Brun, V.
Le Fèvre, O.
Maccagni, D.
Małek, K.
Marchetti, A.
Marulli, F.
Polletta, M.
Pollo, A.
Tasca, L. A. M.
Tojeiro, R.
Vergani, D.
Zanichelli, A.
Bel, J.
Branchini, E.
De Lucia, G.
Ilbert, O.
McCracken, H. J.
Moutard, T.
Peacock, J. A.
Zamorani, G.
Burden, A.
Fumana, M.
Jullo, E.
Marinoni, C.
Mellier, Y.
Moscardini, L.
Percival, W. J.
Keywords
Cosmology: observations
Large-scale structure of Universe
Galaxies: distances and redshifts
Galaxies: statistics
Surveys
QB Astronomy
QC Physics
DAS
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Abstract
We present the full public data release (PDR-2) of the VIMOS Public Extragalactic Redshift Survey (VIPERS), performed at the ESO VLT. We release redshifts, spectra, CFHTLS magnitudes and ancillary information (as masks and weights) for a complete sample of 86 775 galaxies (plus 4732 other objects, including stars and serendipitous galaxies); we also include their full photometrically-selected parent catalogue. The sample is magnitude limited to iAB ≤ 22.5, with an additional colour-colour pre-selection devised as to exclude galaxies at z <0.5. This practically doubles the effective sampling of the VIMOS spectrograph over the range 0.5 <z <1.2 (reaching 47% onaverage), yielding a final median local galaxy density close to 5× 10-3h3 Mpc-3. The total area spanned by the final data set is ≃ 23.5 deg2, corresponding to 288 VIMOS fields with marginal overlaps, split over two regions within the CFHTLS-Wide W1 and W4 equatorial fields (at RA ≃2 and ≃ 22 h, respectively). Spectra were observed at a resolution R = 220, covering a wavelength range 5500-9500 Å. Data reduction and redshift measurements were performed through a fully automated pipeline; all redshift determinations were then visually validated and assigned a quality flag. Measurements with a quality flag ≥ 2 are shown to have a confidence level of 96% or larger and make up 88% of all measured galaxy redshifts (76 552 out of 86 775), constituting the VIPERS prime catalogue for statistical investigations. For this sample the rms redshift error, estimated using repeated measurements of about3 000 galaxies, is found to be σz = 0.00054(1 + z). All data are available at http://vipers.inaf.itand on the ESO Archive.
Citation
Scodeggio , M , Guzzo , L , Garilli , B , Granett , B R , Bolzonella , M , de la Torre , S , Abbas , U , Adami , C , Arnouts , S , Bottini , D , Cappi , A , Coupon , J , Cucciati , O , Davidzon , I , Franzetti , P , Fritz , A , Iovino , A , Krywult , J , Le Brun , V , Le Fèvre , O , Maccagni , D , Małek , K , Marchetti , A , Marulli , F , Polletta , M , Pollo , A , Tasca , L A M , Tojeiro , R , Vergani , D , Zanichelli , A , Bel , J , Branchini , E , De Lucia , G , Ilbert , O , McCracken , H J , Moutard , T , Peacock , J A , Zamorani , G , Burden , A , Fumana , M , Jullo , E , Marinoni , C , Mellier , Y , Moscardini , L & Percival , W J 2018 , ' The VIMOS Public Extragalactic Redshift Survey (VIPERS) : full spectroscopic data and auxiliary information release (PDR-2) ' , Astronomy & Astrophysics , vol. 609 , A84 . https://doi.org/10.1051/0004-6361/201630114
Publication
Astronomy & Astrophysics
Status
Peer reviewed
DOI
https://doi.org/10.1051/0004-6361/201630114
ISSN
0004-6361
Type
Journal article
Rights
© 2018, ESO. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1051/0004-6361/201630114
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  • University of St Andrews Research
URL
https://arxiv.org/abs/1611.07048
http://adsabs.harvard.edu/abs/2018A%26A...609A..84S
URI
http://hdl.handle.net/10023/12784

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