J/A+A/547/A80ivo://CDS.VizieR/J/A+A/547/A80doi:10.26093/cds/vizier.35470080CDSBayo A.Barrado D.Huelamo N.Morales-Calderon M.Melo C.Stauffer J.,Stelzer B.2017-10-18T08:24:50Z2013-03-26T12:07:11ZCDS support team

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

cds-question@unistra.fropen-star-clustersearly-type-starsline-intensitiesMost observational studies conducted so far point toward brown dwarfs sharing a similar formation mechanism as the one that is accepted for low-mass stars. However, larger databases and more systematic studies are needed before strong conclusions can be reached. In this second paper of a series devoted to studying the spectroscopic properties of the Lambda Orionis star-forming region members, we study accretion, activity and rotation for a wide set of spectroscopically confirmed members of the central star cluster Collinder 69 to assess analogies and/or differences between the brown-dwarf and stellar populations of this cluster. Moreover, we present comparisons with other star-forming regions of similar and different ages to address environmental effects on our conclusions. We studied prominent photospheric lines to derive rotational velocities and emission lines to distinguish between accretion processes and chromospheric activity. In addition, we include information about disk presence and X-ray emission.2012A&A...547A..80Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/547/A80CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/118/2409 : VRI photometry of lambda Ori PMS stars (Dolan+, 1999)J/AJ/121/2124 : lambda Ori pre-main-sequence stars photometry (Dolan+, 2001)J/ApJ/610/1064 : lambda Ori substellar population (Barrado y Navascues+ 2004)J/ApJ/664/481 : Collinder 69 opt/IR photometry (Barrado y Navascues+ 2007)J/A+A/488/167 : Low-mass stars in sigma Ori and lambda Ori (Sacco+, 2008)J/A+A/492/277 : Analysis of Collinder 69 stars with VOSA (Bayo+, 2008)J/MNRAS/385/2210 : Spectroscopy around lam Ori and sig Ori (Maxted+, 2008)J/A+A/526/A21 : Collinder 69 X-ray sources (Barrado+, 2011)J/A+A/536/A63 : Collinder 69 very low mass stars & brown dwarfs (Bayo+ 2011)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/547/A80https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/547/A80http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/547/A80https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/547/A80https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/547/A80http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/547/A80GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/547/A80/table6 (Parameters and measurements obtained in this work for Collinder 69 confirmed members and comparison with previous studies)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/547/A80/table6?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/547/A80/table6?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/547/A80/table6?GETtext/xml+votable180.050000true83.446589.927360.0055555555555555566/23717 23719 23728https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/547/A80?format=asciiOpticaldefaultJ/A+A/547/A80/table6Parameters and measurements obtained in this work for Collinder 69 confirmed members and comparison with previous studiesSimbadNameSimbad column added by the CDSmeta.idchare_W10(Ha)2? rms uncertainty on W10(Ha)2km/sstat.errorintnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNameObject namemeta.id;meta.maincharPapIDetails from Paper I (Bayo et al. 2011, Cat. J/A+A/536/A63meta.ref.urlcharBinSpectroscopic binarity (SB, SB1 or SB2)meta.codecharr_BinRerefence for Bin (1)meta.ref;pos.framecharClassInfrared class, II or III (2)meta.code.classnullableTypeDisk typesrc.classcharl_vsiniLimit flag on vsinimeta.code.error;phys.veloc.rotatcharvsini? Rotational velocitykm/sphys.veloc.rotatfloatnullableE_vsini? Error on vsini (upper value)km/sstat.error;stat.maxfloatnullablee_vsini? Error on vsini (lower value)km/sstat.error;phys.veloc.rotatfloatnullablef_visin2[,-] "," for 2nd value or "-" for a rangemeta.codecharl_vsini2Limit flag on vsini2meta.code.errorcharvsini2? Second value for vsinikm/sstat.valueintnullabler_vsini2[*] Origin of vsini, *=this work (3)meta.ref;pos.framecharAcc[YN? ] Accretor flag (4)meta.codecharlg(dMacc)? Mass accretion rate, log(dMass/dt)log(solMass.yr**-1)phys.mass.lossfloatnullablee_lg(dMacc)? rms uncertainty on lg(dMacc)log(solMass.yr**-1)stat.errorfloatnullabler_lg(dMacc)[a] Reference for Macc (5)meta.ref;pos.framecharlg(dMacc)2? Second value for Mass accretion ratelog(solMass.yr**-1)phys.mass.lossfloatnullablee_lg(dMacc)2? rms uncertainty on lg(dMacc)2log(solMass.yr**-1)stat.errorfloatnullabler_lg(dMacc)2[c] Reference for lg(Macc)2 (5)meta.ref;pos.framecharW(Ha)? H{alpha} 6563{AA} equivalent width0.1nmspect.line.eqWidthfloatnullablee_W(Ha)? rms uncertainty on W(Ha)0.1nmstat.errorfloatnullabler_W(Ha)[abc] Reference for W(Ha) (5)meta.ref;pos.framecharW(Ha)2? Second value for H{alpha} 6563{AA} equivalent width0.1nmspect.line.eqWidthfloatnullablee_W(Ha)2? rms uncertainty on W(Ha)20.1nmstat.errorfloatnullabler_W(Ha)2[bc] Reference for W(Ha)2 (5)meta.ref;pos.framecharW(Ha)3? Third value for H{alpha} 6563{AA} equivalent width0.1nmspect.line.eqWidthfloatnullablee_W(Ha)3? rms uncertainty on W(Ha)30.1nmstat.errorfloatnullabler_W(Ha)3[c] Reference for W(Ha)3 (5)meta.ref;pos.framecharW10(Ha)? H{alpha} 6563{AA} Full Width at 10% of the fluxkm/sspect.line.widthintnullablee_W10(Ha)? rms uncertainty on W10(Ha)km/sstat.errorintnullabler_W10(Ha)[ac] Reference for W10(Ha) (5)meta.ref;pos.framecharW10(Ha)2? Second value of H{alpha} 6563{AA} Full Width at 10% of the fluxkm/sspect.line.widthintnullabler_W10(Ha)2[c] Reference for W10(Ha)2 (5)meta.ref;pos.framecharW(CaII)1? CaII (8498{AA}) equivalent width0.1nmspect.line.eqWidthfloatnullableW(CaII)2? CaII (8542{AA}) equivalent width0.1nmspect.line.eqWidthfloatnullableW(CaII)3? CaII (8662{AA}) equivalent width0.1nmspect.line.eqWidthfloatnullable_RAPositons from Paper I (J/A+A/536/A63) (right ascension part)degpos.eq.ra;meta.main_DEPositons from Paper I (J/A+A/536/A63) (declination part)degpos.eq.dec;meta.main