J/A+A/691/A161ivo://CDS.VizieR/J/A+A/691/A161doi:10.26093/cds/vizier/bc-nk/lbgbCDSGarcia-Benito R.Jimenez A.Sanchez-Menguiano L.Ruiz-Lara T.,Duarte Puertas S.Dominguez-Gomez J.Bidaran B.Torres-Rios G.,Argudo-Fernandez M.Espada D.Perez I.Verley S.Conrado A.M.,Florido E.Rodriguez M.I.Zurita A.Alcazar-Laynez M.De Daniloff S.B.,Lisenfeld U.van de Weygaert R.Courtois H.M.Falcon-Barroso J.,Ferre-Mateu A.Galbany L.Gonzalez Delgado R.M.del Moral-Castro I.,Peletier R.F.Roman J.Sanchez S.F.Sanchez-Alarcon P.M.,Sanchez-Blazquez P.Villalba-Gonzalez P.Azzaro M.Blazek M.,Fernandez A.Gallego J.Gongora S.Guijarro A.De Guindos E.,Hermelo I.Hernandez R.de Juan E.Vico Linares J.I.2026-07-03T06:36:15Z2025-05-05T14:04:13ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frsurveysgalaxiesspectroscopyThe Calar Alto Void Integral-field Treasury surveY (CAVITY) is a legacy project aimed at characterising the population of galaxies inhabiting voids, which are the most under-dense regions of the cosmic web, located in the Local Universe. This paper describes the first public data release (DR1) of CAVITY, comprising science-grade optical data cubes for the initial 100 out of a total of ~300 galaxies in the Local Universe (0.005<z<0.050). These data were acquired using the integral-field spectrograph PMAS/PPak mounted on the 3.5m telescope at the Calar Alto observatory. The DR1 galaxy sample encompasses diverse characteristics in the color-magnitude space, morphological type, stellar mass, and gas ionisation conditions, providing a rich resource for addressing key questions in galaxy evolution through spatially resolved spectroscopy. The galaxies in this study were observed with the low-resolution V500 set-up, spanning the wavelength range 3745-7500{AA}, with a spectral resolution of 6.0{AA} (FWHM). Here, we describe the data reduction and characteristics and data structure of the CAVITY datasets essential for their scientific utilisation, highlighting such concerns as vignetting effects, as well as the identification of bad pixels and management of spatially correlated noise. We also provide instructions for accessing the CAVITY datasets and associated ancillary data through the project's dedicated database.2024A&A...691A.161Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/691/A161CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-tohttps://cavity.caha.es/data/dr1 : CAVITY DR1 Home Pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/691/A161https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/691/A161http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/691/A161https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/691/A161https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/691/A161http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/691/A161GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/691/A161/galaxies (List of galaxies)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/691/A161/galaxies?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/691/A161/galaxies?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/691/A161/galaxies?GETtext/xml+votable180.050000true132.45460551.093978890.0055555555555555566/4432 4447 4461 4464 4474 4592 4605 4942 4964 5056 5067 5095 5100 5129 5132 5138 5148 5175 5196 5220 5278-5279 5316 5436 5489 5823 5864 5866 6421 6427 6439 6445 6475 6479 7177 7201 7216 7219 7222 7226 7232 7246 7300-7301 8457 8475 8498 8504 8508 8637 8655 8673 8702 8823 8825 8975 9040 9071 9107 9154 9156-9157 9739 9760 9762 9767 9774-9775 9777 9859 9861-9862 9866 9872 9875 10485 10642 10844 10858 10877 10892 10934 10960 10979 11050 26088 26434 28048 28053 28102 28110 28139 28212 28239 28345 28667https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/691/A161?format=asciidefaultJ/A+A/691/A161/galaxiesList of galaxiesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintCAVITYCAVITY identification numbermeta.id;meta.mainintRAJ2000Right ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainFileNameName of the fits cube in subdirectory fitsmeta.id;meta.fitscharJ/A+A/691/A161/table4Values of the quality control flags on the observing conditions defined for the CAVITY DR1 based in the automatic checks described in Section 6.2recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintCAVITYGalaxy CAVITY identification number (Name)meta.id;meta.mainintAirMassMean observed airmass (obs_airmass_mean)obs.airMassfloatAirMassMaxMaximum observed airmass (obs_airmass_max)obs.airMassfloate_AirMassrms uncertainty on airmass (obs_airmass_rms)stat.errorfloatSkymagMean observed sky brightness (obs_skymag_mean)mag.arcsec**-2phot.mag.sb;stat.meanfloate_Skymagrms uncertainty on observed sky brightness (obs_skymag_rms)mag.arcsec**-2stat.error;phot.magfloatExtObserved atmospheric extinction (obs_ext_mean)magobs.atmos.extinctionfloatExtMaxMaximum observed atmospheric extinction (obs_ext_max)magobs.atmos.extinctionfloate_Extrms uncertainty on observed atmospheric extinction (obs_ext_rms)magstat.errorfloatStLiMean strylight (red_meanstraylight_max)ctphot.countfloatStLimaxMaximum strylight (red_maxstraylight_max)ctphot.countfloate_StLirms uncertainty on mean strylight (red_rmsstraylight_max)ctstat.errorfloatSpDispMean spectral dispersion (red_disp_mean)0.1nminstr.dispersionfloatSpDispmaxMaximum spectral dispersion (red_disp_max)0.1nminstr.dispersionfloate_SpDisprms uncertainty on mean spectral dispersion in red part (red_disp_rms)0.1nmstat.errorfloatSpcDispMean cross dispersion (red_cdisp_mean)pixinstr.dispersionfloatSpcDispmaxMaximun cross dispersion (red_cdisp_max)pixinstr.dispersionfloate_SpcDisprms uncertainty on mean cross dispersion (red_cdisp_rms)pixstat.errorfloatSkySubsminMinimum sky substraction (red_res5577_min)ctphot.countfloatSkySubsmaxMaximum sky substraction (red_res5577_max)ctphot.countfloatSkySubsrmsrms on sky substraction (red_rmsres5577_max)ctstat.errorfloatCalibSpectrophotometric calibration (cal_specphot_fluxratio)arith.factorfloat