J/AJ/136/2483ivo://CDS.VizieR/J/AJ/136/2483doi:10.26093/cds/vizier.51362483CDSAarnio A.N.Weinberger A.J.Stassun K.G.Mamajek E.E.James D.J.2017-06-30T05:49:20Z2011-08-21T14:23:56ZCDS support team

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

cds-question@unistra.fropen-star-clustersstellar-associationsinfrared-photometryproper-motionsvisible-astronomytrigonometric-parallaxline-intensitiesWe present the results of a search for a young stellar moving group associated with the star HD 141569 - a nearby, isolated Herbig AeBe primary member of a 5+/-3Myr-old triple star system on the outskirts of the Sco-Cen complex. Our spectroscopic survey identified a population of 21 Li-rich, >~30Myr-old stars within 30{deg} of HD 141569 which possess similar proper motions with the star. The spatial distribution of these Li-rich stars, however, is not suggestive of a moving group associated with the HD 141569 triplet, but rather this sample appears cospatial with Upper Scorpius (US) and Upper Centaurus Lupus (UCL). We apply a modified moving cluster parallax method to compare the kinematics of these youthful stars with those of the US and UCL. Eight new potential members of US and five new potential members of UCL are identified. A substantial moving group with an identifiable nucleus within 15{deg} (~30pc) of HD 141569 is not found in this sample. Evidently, the HD 141569 system formed ~5Myr ago in relative isolation, tens of parsecs away from the recent sites of star formation in the Ophiucus-Scorpius-Centaurus region.2008AJ....136.2483Ahttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/136/2483CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toI/259 : The Tycho-2 Catalogue (Hog+ 2000)I/289 : UCAC2 Catalogue (Zacharias+ 2004)II/246 : 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/136/2483https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/136/2483http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/136/2483https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/136/2483https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/136/2483http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/136/2483GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/136/2483/stars (Stellar parameters, photometry, T_eff_ and Lithium of the stars)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/136/2483/stars?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/136/2483/stars?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/136/2483/stars?GETtext/xml+votable180.050000true237.4906161-3.92120640.005555555555555556Cone search capability for table J/AJ/136/2483/table1 (Observing Log)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/136/2483/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/136/2483/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/136/2483/table1?GETtext/xml+votable180.050000true213.9152916719.182416670.0055555555555555566/8360 8456 8767 15171 15906 19064 26975 29219 29288 29341 29392 29574 30328 30576 30857 30860 30861 30862 30906 30945 31193 31239 31259 31280 31281 31323 31364 31375 31384 31473 31526 31557 31751 38584 42815 42851 42869 42873 42890 42891 42903 42914 42929 42943 42945 42947 42991 43004 43756 44116 44129 44289 44295 44324 44397 44525 44701 44870 479978.650015785639275e-20 1.7003137259100215e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/136/2483?format=asciiOpticalInfrareddefaultJ/AJ/136/2483/starsStellar parameters, photometry, T_eff_ and Lithium of the starsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintplIDPlot identification numbermeta.idcharNameObject Namemeta.id;meta.maincharJmag2MASS J-band magnitude (Cat. II/246)magphot.mag;em.IR.Jfloate_JmagUncertainty in Jmagmagstat.error;phot.mag;em.IR.JfloatHmag2MASS H-band magnitude (Cat. II/246)magphot.mag;em.IR.Hfloate_HmagUncertainty in Hmagmagstat.error;phot.mag;em.IR.HfloatKsmag2MASS Ks-band magnitude (Cat. II/246)magphot.mag;em.IR.Kfloate_KsmagUncertainty in Kmagmagstat.error;phot.mag;em.IR.KfloatpmRA? Tycho-2 (Cat. I/259) proper motion in Right Ascensionmas/yrpos.pm;pos.eq.rafloatnullablee_pmRA? Uncertainty in pmRAmas/yrstat.error;pos.pm;pos.eq.rafloatnullablef_pmRA[*] Indicates pmRA is from UCAC2 (Cat. I/289)meta.codecharpmDE? Tycho-2 (Cat. I/259) proper motion in Declinationmas/yrpos.pm;pos.eq.decfloatnullablee_pmDE? Uncertainty in pmDEmas/yrstat.error;pos.pm;pos.eq.decfloatnullablef_pmDE[*] Indicates pmDE is from UCAC2 (Cat. I/289)meta.codecharplx? Hipparcos parallaxmaspos.parallax.trigfloatnullablee_plx? Uncertainty in plxmasstat.error;pos.parallaxfloatnullableW(Li)? LiI direct integration equivalent width (1)0.1pmspect.line.eqWidthintnullableW(Li)g? LiI Gaussian fit equivalent width (1)0.1pmspect.line.eqWidth;meta.modelledintnullablef_W(Li)g[d] blended line (2)meta.codecharCtmn? LiI Contamination; see Section 3.2 (1)0.1pmspect.line.eqWidthintnullableHaFlgH{alpha} line features (3)meta.codecharSpTypeSpectral Typesrc.spTypecharr_SpTypeReference for SpType (4)meta.ref;pos.framecharTeff1? Effective temperature from SpTypeKphys.temperature.effectiveintnullableTeff1l? Limit of Teff1 intervalKmeta.code.errorintnullableTeff1a? Alternative possible effective temperatureKphys.temperature.effectiveintnullableRatio? The 6200/6210 line ratio (5)spect.line.intensity;arith.ratiofloatnullableSpT2Spectral Type from line ratiosrc.spTypecharl_Teff2Limit flag on Teff2meta.code.errorcharTeff2? Effective temperature for line ratioKphys.temperature.effectiveintnullableTeff? Adopted effective temperatureKphys.temperature.effectiveintnullablef_Teff[*] Teff from H-K color (6)meta.codecharSimbadSimbad column added by the CDSchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.mainJ/AJ/136/2483/table1Observing LogrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintTelTelescopemeta.id;instr.telcharf_Name[*] HD 141569 added by CDSmeta.codecharn_NameSimbad column added by the CDSmeta.ref.urlcharNameObject Namemeta.id;meta.maincharprimaryRAJ2000Hour of Right Ascension (J2000)pos.eq.ra;meta.mainDEJ2000Degree of Declination (J2000)pos.eq.dec;meta.mainObs.DateDate of observationtime.epochnullableObs? UT hour of observationtime.epochnullableInt? Integration timestime.expointnullableS/N? Signal-to-noise (1)stat.snrintnullableComComment(s) (2)meta.noteSimbadNameSimbad column added by the CDSmeta.idchar