J/A+A/642/A175ivo://CDS.VizieR/J/A+A/642/A175doi:10.26093/cds/vizier.36420175CDSButcher Z.van Driel W.Schneider S.2022-10-04T14:18:37Z2020-10-15T13:07:56ZCDS support team

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

cds-question@unistra.frradio-galaxiesradio-spectroscopyWe present a modified optical luminosity-HI mass bivariate luminosity function (BLF) based on HI line observations from the Nancay Interstellar Baryons Legacy Extragalactic Survey (NIBLES), including data from our new, four times more sensitive follow-up HI line observations obtained with the Arecibo radio telescope. The follow-up observations were designed to probe the underlying HI mass distribution of the NIBLES galaxies that were undetected or marginally detected in HI at the Radio Telescope. Our total follow-up sample consists of 234 galaxies, and it spans the entire luminosity and color range of the parent NIBLES sample of 2600 nearby (900<cz<12000km/s) SDSS galaxies. We incorporated the follow-up data into the bivariate analysis by scaling the NIBLES undetected fraction by an Arecibo-only distribution. We find the resulting increase in low HI mass-to-light ratio densities to be about 10% for the bins -1.0<=log(M/L)<=-0.5, which produces an increased HI mass function (HIMF) low mass slope of {alpha}=-1.14+/-0.07, being slightly shallower than the values of -1.35+/-0.05 obtained by recent blind HI surveys. Applying the same correction to the optically corrected bivariate luminosity function from our previous paper produces a larger density increase of about 0.5 to 1dex in the lowest HI mass-to-light ratio bins for a given luminosity while having a minimal effect on the resulting HIMF low mass slope, which still agrees with blind survey HIMFs. This indicates that while low HI-mass-to-light ratio galaxies do not contribute much to the one-dimensional HIMF, their inclusion has a significant impact on the densities in the two-dimensional distribution.2020A&A...642A.175Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/642/A175CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/642/A175https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/642/A175http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/642/A175https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/642/A175https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/642/A175http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/642/A175GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/642/A175/tablea1 (Arecibo detections)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/642/A175/tablea1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/642/A175/tablea1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/642/A175/tablea1?GETtext/xml+votable180.050000true0.199583314.27752780.005555555555555556Cone search capability for table J/A+A/642/A175/tablea2 (Arecibo marginal detections)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/642/A175/tablea2?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/642/A175/tablea2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/642/A175/tablea2?GETtext/xml+votable180.050000true24.728166715.02158330.0055555555555555566/4346 4439 4686-4687 4691 4697 4801 4804-4805 4807 4813 4826 4828 4831 5011 5152 5635 6162 6209 6230 6242 6245 6251 8270 8351 8353 8559 8568 8654 9336 10350 10401 12390 18299 18302 18381 18383 18392 18396 18406 19403 19417 19663 19670 19672-19673 19676-19677 19689 19693 19695 19749 19754 19981 19983 19989 19992 19995 20002 20008 20032 20034 26397 26432 26436 26555 27833 27857 27859 27909-27910 27915 27922 27931 27937 28207 28294-28295 28412 28414 28491 28526 28608 31455 31624 32480https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/642/A175?format=asciiRadiodefaultJ/A+A/642/A175/tablea1Arecibo detectionsSimbadNameSimbad column added by the CDSmeta.idcharnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintspShow the spectrummeta.ref.urlcharSourceNIBLES source numbermeta.id;meta.mainintn_Source[MUC ] Note on Sourcemeta.notecharRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainNameCommon catalog namemeta.id;meta.tablecharVoptSDSS determined recession velocitykm/sphys.velocinte_Voptrms uncertainty on Voptkm/sstat.errorintg-zg-z extinction corrected galaxy colormagphot.colorfloatgMAGAbsolute g-band magnitudemagphot.magfloatlog(M*)? Median stellar mass estimateslog(solMass)phys.massfloatnullablelog(Lr)SDSS r-band luminosity in solar unitslog(solLum)phys.luminosity;em.optfloatlog(sSFR)? Specific star formation rateyr**-1phys.SFRfloatnullablermsrms noise values of the HI spectramJystat.stdev;instr.det.noisefloatVHIHI line profile center velocitykm/sspect.line.profile;spect.lineinte_VHIrms uncertainty on VHIkm/sstat.errorintW50velocity width at 50% the profile peakkm/sspect.line.widthintW20velocity width at 20% the profile peakkm/sspect.line.widthintFHIIntegrated flux density of HI profileJy.km/sphot.flux.density;spect.linefloate_FHIrms uncertainty on FHIJy.km/sstat.errorfloatSNRPeak signal-to-noise ratiostat.snr;stat.maxfloatS/NSignal-to-noise from Saintonge (2007)stat.snrfloatlog(MHI)Total HI masslog(solMass)phys.massfloatlog(MHI/M*)? HI mass to stellar mass ratiophys.mass;arith.ratiofloatnullableFileNameName of the fits spectrum in subdirectory fitsmeta.id;meta.fitscharJ/A+A/642/A175/tablea2Arecibo marginal detectionsSimbadNameSimbad column added by the CDSmeta.idcharnullableFHIIntegrated flux density of HI profileJy.km/sphot.flux.density;spect.linefloate_FHIrms uncertainty on FHIJy.km/sstat.errorfloatSNRPeak signal-to-noise ratiostat.snr;stat.maxfloatS/NSignal-to-noise from Saintonge (2007)stat.snrfloatrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSourceNIBLES source numbermeta.id;meta.mainintRAJ2000Right ascension (J2000)pos.eq.ra;meta.mainDEJ2000Declination (J2000)pos.eq.dec;meta.mainVoptSDSS determined recession velocitykm/sphys.velocinte_Voptrms uncertainty on Voptkm/sstat.errorintg-zg-z extinction corrected galaxy colormagphot.colorfloatgMAGAbsolute g-band magnitudemagphot.magfloatlog(M*)? Median stellar mass estimateslog(solMass)phys.massfloatnullablelog(Lr)SDSS r-band luminosity in solar unitslog(solLum)phys.luminosity;em.optfloatlog(sSFR)? Specific star formation rateyr**-1phys.SFRfloatnullablermsrms noise values of the HI spectramJystat.stdev;instr.det.noisefloatVHIHI line profile center velocitykm/sspect.line.profile;spect.lineinte_VHIrms uncertainty on VHIkm/sstat.errorintW50velocity width at 50% the profile peakkm/sspect.line.widthintW20velocity width at 20% the profile peakkm/sspect.line.widthintlog(MHI)Total HI masslog(solMass)phys.massfloatlog(MHI/M*)? HI mass to stellar mass ratiophys.mass;arith.ratiofloatnullableFileNameName of the fits spectrum in subdirectory fitsmeta.id;meta.fitscharspShow the spectrummeta.ref.urlcharn_Source[MUC ] Note on Sourcemeta.notecharNameCommon catalog namemeta.id;meta.tablechar