The First VIPERS Survey Data Release Luigi Paioro INAF-IASF Milano On behalf of the VIPERS team L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
Databases @ INAF-IASF Milano ● XMM-LSS Survey ● Multiband survey ● XXL ● Public VVDS ● Virtual Observatory access – SIAP, SSAP, ConeSearch ● Chandra-SWIRE ● MASSIVE ● SINFONI data cubes ● VIPERS Sectroscopic Survey L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
VIPERS Survey ● VIMOS Public Extragalactic Redshift Survey ● On-going ESO Large Programme (since 2008) ● VLT-VIMOS instrument (spectroscopy) ● ~100,000 redshift with I(AB) > 22.5 over an area of 24 square degrees ● Parent catalog CFHTLS ● Color-color pre-selection: 0.5 < z < 1.2 ● http://vipers.inaf.it L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
VIPERS Status 65% of the sampling reached on 2012 ● ~ 65,000 spectra with redshift ● First list of papers (March 2013) ● The VIMOS Public Extragalactic Redshift Survey (VIPERS): An unprecedented view of galaxies and large-scale ● structure at 0.5 < z < 1.2 - Guzzo, L., & VIPERS Team The VIMOS Public Extragalactic Redshift Survey (VIPERS): an unprecedented view of galaxies and large-scale ● structure halfway back in the life of the Universe - Guzzo, L., & VIPERS Team The VIMOS Public Extragalactic Redshift Survey (VIPERS): Galaxy clustering and redshift-space distortions at z ● ~ 0.8 in the first data release - de la Torre, S., & VIPERS Team The VIMOS Public Extragalactic Redshift Survey (VIPERS): A Support Vector Machine classification of galaxies, ● stars and AGNs - Malek, K., & VIPERS Team The VIMOS Public Extragalactic Redshift Survey (VIPERS): Luminosity and stellar mass dependence of galaxy ● clustering at 0.5<z<1.1 - Marulli, F., & VIPERS Team The VIMOS Public Extragalactic Redshift Survey (VIPERS): Galaxy stellar mass functions at intermediate ● redshifts - Davidzon, I., & VIPERS Team The VIMOS Public Extragalactic Redshift Survey (VIPERS): spectral classification through Principal Component ● Analysis - Marchetti, A.; Granett, B. R.; Guzzo, L.; Fritz, A.; Garilli, B.; & VIPERS Team Easylife: The Data Reduction and Survey Handling System for VIPERS - Garilli, B.; Paioro, L.; Scodeggio, M.; ● Franzetti, P.; Fumana, M.; Guzzo, L. The power spectrum from the angular distribution of galaxies in the CFHTLS-Wide fields at redshift ~0.7 - ● Granett, B. R.; Guzzo, L.; Coupon, J.; Arnouts, S.; Hudelot, P.; & VIPERS Team L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
VIPERS and SDSS
VIPERS Data Release First data release ● Target: release the whole data-set used to write the papers ● September 2013 ● Parent CFHTLS photometric catalogs ● W1 ~ 1,750,000 objects (5 optic bands) – W4 ~ 770,000 objects (5 optic bands) – UKIDSS matching catalogs ● W1 ~ 200,000 objects (4 NIR bands) – W4 ~ 275,000 objects (4 NIR bands) – Redshift catalogs ● W1 ~ 32,000 objects – W4 ~ 32,000 objects – ~ 65,000 reduced spectra (to be given to ESO) ● Other ancillary data products (like the pointing maps) ● L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
VIPERS 1D spectra (FITS) L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
VIPERS 2D spectra (FITS) L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
VIPERS Data Release Access Dedicated Web site ● http://vipers.inaf.it ● Exploiting DART ● Present Web interface used by VIPERS team – Provides a simplified interface to perform queries to the catalogs and retrieve the data – products related to the objects selected with the query L. Paioro, L. Chiappetti, B. Garilli, P. Franzetti, M. Fumana, M. Scodeggio: – DART, a New Solution to Deploy and Access Astronomical Data, 2008, ASPCS 394, 397- 399. Virtual Observatory protocols ● Catalogs: ConeSearch and TAP ● 1D Spectra: SSAP ● Maybe work duplicated with ESO – 2D Spectra? ● Ancillary data products? ● L. Paioro – CoSADIE Data Forum – Heidelberg 2013cc
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