J/ApJ/877/60ivo://CDS.VizieR/J/ApJ/877/60doi:10.26093/cds/vizier.18770060CDSBowler B.P.Hinkley S.Ziegler C.Baranec C.Gizis J.E.Law N.M.,Liu M.C.Shah V.S.Shkolnik E.L.Riaz B.Riddle R.2021-02-19T07:38:18Z2020-12-15T08:12:21ZCDS support team

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

cds-question@unistra.frmultiple-starslate-type-starsvisible-astronomyspectroscopyline-intensitiesstellar-spectral-typesinfrared-sourcesproper-motionsYoung stars in the solar neighborhood serve as nearby probes of stellar evolution and represent promising targets to directly image self-luminous giant planets. We have carried out an all-sky search for late-type (~K7-M5) stars within 100pc selected primarily on the basis of activity indicators from the Galaxy Evolution Explorer and ROSAT. Approximately 2000 active and potentially young stars are identified, of which we have followed up over 600 with low-resolution optical spectroscopy and over 1000 with diffraction-limited imaging using Robo-AO at the Palomar 1.5m telescope. Strong lithium is present in 58 stars, implying ages spanning ~10-200Myr. Most of these lithium-rich stars are new or previously known members of young moving groups including TWA, {beta}Pic, Tuc-Hor, Carina, Columba, Argus, ABDor, Upper Centaurus Lupus, and Lower Centaurus Crux; the rest appear to be young low-mass stars without connections to established kinematic groups. Over 200 close binaries are identified down to 0.2"-the vast majority of which are new-and will be valuable for dynamical mass measurements of young stars with continued orbit monitoring in the future.2019ApJ...877...60Bhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/877/60CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2020)II/179 : Southern Spectrophotometric Standards. I + II (Hamuy+ 1992,94)III/198 : Palomar/MSU nearby star spectroscopic survey (Hawley+ 1997)I/282 : The CMT CCD Drift Scan Survey (Evans+, 2002)I/345 : Gaia DR2 (Gaia Collaboration, 2018)J/AJ/106/1059 : Lithium in the Pleiades (Soderblom+, 1993)J/A+AS/132/173 : New weak-line T Tauri stars in Taurus-Auriga (Li+ 1998)J/PASP/110/1012 : New double stars from HST (Schneider+, 1998)J/A+A/356/541 : T Tauri stars in Sco-Cen OB association (Koehler+, 2000)J/AJ/132/866 : New M dwarfs in solar neighborhood (Riaz+, 2006)J/AJ/132/2665 : QUEST2 BRI photom. of Taurus-Auriga PMS (Slesnick+, 2006)J/A+A/460/695 : Search for Assoc. Containing Young stars (Torres+, 2006)J/AJ/134/2398 : Stellar SEDs in SDSS and 2MASS filters (Covey+, 2007)J/AJ/134/741 : New close binary syst. from SDSS DR5 (Silvestri+, 2007)J/ApJS/172/663 : Infrared observations of the Pleiades (Stauffer+, 2007)J/AJ/133/2524 : Spectra of young nearby stars (White+, 2007)J/A+A/508/833 : SACY III. Li abundances (da Silva+, 2009)J/ApJS/184/138 : XID II: RASS/BSC-2MASS/PSC cross-assoc. (Haakonsen+, 2009)J/ApJ/699/649 : Young M dwarfs within 25pc. I. (Shkolnik+, 2009)J/AJ/140/119 : {beta}Pic & ABDor moving groups members (Schlieder+, 2010)J/AJ/142/138 : All-sky catalog of bright M dwarfs (Lepine+, 2011)J/A+A/531/A92 : Deep all-sky census of the Hyades (Roeser+, 2011)J/AJ/141/97 : SDSS DR7 M dwarfs (West+, 2011)J/ApJ/754/44 : The AstraLux Large M-dwarf Survey (Janson+ 2012)J/ApJ/745/119 : Close companions to young stars. I. (Nguyen+, 2012)J/AJ/143/80 : Low-mass members of {beta}Pic & ABDOR (Schlieder+, 2012)J/ApJ/758/56 : Young M dwarfs within 25pc. II. (Shkolnik+, 2012)J/AJ/144/8 : G/K/M-type Sco-Cen complex member spectroscopy (Song+, 2012)J/ApJ/777/160 : NIR survey for planets around MG stars (Biller+, 2013)J/MNRAS/435/2161 : Catalogue of bright (K<9) M dwarfs (Frith+, 2013)J/MNRAS/429/859 : New companions to nearby low-mass stars (Jodar+, 2013)J/A+A/551/A46 : Compiled photom. for ChamI & II members (Lopez Marti+, 2013)J/ApJ/762/88 : Young stellar kinematic group cand. members (Malo+, 2013)J/MNRAS/435/1325 : Membership of the {epsilon} Cha assoc. (Murphy+, 2013)J/ApJS/208/9 : Intrinsic colors & temperatures of PMS stars (Pecaut+, 2013)J/A+A/568/A26 : SACY. V. Multiple systems (Elliott+, 2014)J/ApJ/783/121 : BANYAN II. Nearby young assoc. cand. members (Gagne+, 2014)J/MNRAS/443/2561 : CONCH-SHELL catalog of nearby M dwarfs (Gaidos+, 2014)J/ApJ/789/102 : Properties of late M-dwarfs (Janson+, 2014)J/ApJS/214/17 : Orbital monitoring of AstraLux binaries (Janson+, 2014)J/AJ/147/146 : Spectroscopy of Tuc-Hor candidate members (Kraus+, 2014)J/ApJ/791/35 : Detection of 715 Kepler planet cand. host stars (Law+, 2014)J/ApJ/788/81 : BANYAN III. RV & rotation of low-mass stars (Malo+, 2014)J/AJ/147/85 : Solar neighborhood. XXXIII. 45 M dwarfs (Riedel+, 2014)J/AJ/148/64 : HAZMAT. I. FUV & NUV emission in M stars (Shkolnik+, 2014)J/ApJ/798/41 : GALEX NUV obs. of bright M-type stars (Ansdell+, 2015)J/MNRAS/454/593 : Young moving groups in solar neighbourhood (Bell+, 2015)J/MNRAS/452/173 : Nearby young stars in Northern hemisphere (Binks+, 2015)J/ApJS/216/7 : Planets Around Low-Mass Stars (PALMS). IV. (Bowler+, 2015)J/A+A/573/A126 : VLT/NaCo Large program I. Sample (Desidera+, 2015)J/A+A/580/A88 : Stellar multiplicity in 3-1000AU (Elliott+, 2015)J/ApJS/219/33 : BANYAN. VII. Cand. YMG members from BASS (Gagne+, 2015)J/MNRAS/453/2220 : Early-type Sco-Cen members with lit. RVs (Murphy+, 2015)J/ApJ/827/142 : ALMA obs. of GKM stars in Upper Sco (Barenfeld+, 2016)J/A+A/590/A13 : New cand. members in young associations (Elliott+, 2016)J/ApJS/225/10 : Kinematic analysis of M7-L8 dwarfs (Faherty+, 2016)J/MNRAS/461/794 : Scorpius-Centaurus K-Type Stars (Pecaut+, 2016)J/A+A/599/A70 : Young moving group M-dwarf multiplicity (Janson+, 2017)J/ApJ/838/150 : The Taurus-Auriga ecosystem. I. (Kraus+, 2017)J/AJ/154/129 : PSYM-WIDE: YMG stars planetary-mass companions (Naud+, 2017)J/ApJ/840/87 : Young star systems observed with SALT (Riedel+, 2017)J/ApJ/846/93 : Mult. of M dwarfs in young moving groups (Shan+, 2017)J/AJ/154/69 : ACRONYM II. {beta} Pictoris Moving Group (Shkolnik+, 2017)J/AJ/153/66 : Robo-AO Kepler Planetary Cand. Survey. III. (Ziegler+, 2017)J/A+A/618/A5 : RV survey of low-mass binaries (Durkan+, 2018)J/ApJ/862/138 : BANYAN. XIII. Gaia DR2 nearby young assoc. (Gagne+, 2018)J/ApJ/856/23 : BANYAN. XI. The BANYAN {Sigma} algorithm (Gagne+, 2018)J/ApJ/868/32 : A large moving group within the LCC assoc. (Goldman+, 2018)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/877/60https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/877/60http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/877/60https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/877/60https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/877/60http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/877/60GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/877/60/table2 (Robo-AO observations for 1011 targets)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/877/60/table2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/877/60/table2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/877/60/table2?GETtext/xml+votable180.050000true1.4841.49136110.005555555555555556Cone search capability for table J/ApJ/877/60/table1 (Spectroscopic observations for 634 targets)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/877/60/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/877/60/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/877/60/table1?GETtext/xml+votable180.050000true0.6130833-46.02886110.0055555555555555566/115 120 129 194 196 201 265 280 284 285 324 334 339 340 342 401 419 447 469 470 472 473 487 497 505 510 518 541 547 601 614 619 634 636 638 674 722 725 728 778 786 790 838 850 861 865 940 989 997 999 1011 1025 1029 1033 1036 1052 1058 1077 1099 1120 1122 1137 1138 1159 1170 1199 1210 1245 1276 1283 1284 1293 1332 1374 1420 1457 1477 1487 1525 1613 1619 1659 1720 1758 1762 1771 1819 1872 1875 1880 1899 1911 1938 1948 2013 2058 2101 2169 2202 2220 2226 2260 2304 2306 2311 2321 2335 2354 2472 2494 2534 2545 2561 2591 2597 2614 2651 2660 2671 2715 2724 2728 2741 2755 2756 2783 2793 2800 2813 2858 2939 2942 2952 2972 2974 3050 3163 3166 3189 3196 3271 3281 3303 3314 3353 3409 3410 3425 3437 3438 3462 3499 3512 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49135https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/877/60?format=asciiOpticalInfrareddefaultJ/ApJ/877/60/table2Robo-AO observations for 1011 targetsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSpDisplay the spectroscopic observations for this target (link to Table 1)meta.ref.urlintnullable2MASS2MASS identifiermeta.id;meta.maincharprimaryObs[2013/2015] UT Year of the observationtime.epoch;obsFilterFilter usedinstr.setup;instr.filtercharExp[30/120] Exposure timestime.duration;obs.exposureintFWHM[0/0.86] Measured Full-Width at Half-Maximumarcsecphys.angSizefloat2MDisplay the 2MASS data (Cutri+ 2003, II/246) within 1"meta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPositions from 2MASS names (right ascension part)degpos.eq.ra;meta.main_DEPositions from 2MASS names (declination part)degpos.eq.dec;meta.mainJ/ApJ/877/60/table3Properties of lithium-rich starsLitLiterature YMGmeta.id.parentAdoptAdopted YMGmeta.id.parentrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint2MASS2MASS identifiermeta.id;meta.maincharSpTSpectral typesrc.spTypecharr_SpTReference for SpType (see refs.dat file)meta.ref;pos.framecharRV[-22.0/21.2]? Radial velocitykm/sphys.veloc;pos.heliocentricfloatnullablee_RV[0.1/8.0]? Uncertainty in RVkm/sstat.errorfloatnullabler_RVReference for RV (see refs.dat file)meta.ref;pos.framecharpmRA[-78.8/88.7] Proper motion along RA times cos(DE) (1)mas/yrpos.pm;pos.eq.rafloate_pmRA[0.03/2] Uncertainty in pmRA (1)mas/yrstat.error;pos.pm;pos.eq.rafloatf_pmRA[b] b: Proper motion from UCAC4 (I/322)meta.codecharpmDE[-105.4/32.4] Proper motion along DE (1)mas/yrpos.pm;pos.eq.decfloate_pmDE[0.03/2.3] Uncertainty in pmDE (1)mas/yrstat.error;pos.pm;pos.eq.decfloatf_pmDE[b] b: Proper motion from UCAC4 (I/322)meta.codecharDist[44.5/450]? Distance (1)pcpos.distance;pos.heliocentricfloatnullablee_Dist[0.05/161]? Uncertainty in Dist (1)pcstat.errorfloatnullablef_Dist[c] Flag on Dist (2)meta.codecharBestThe BANYAN {Sigma} Best Hypothesesmeta.id.parentr_LitReference for Lit (see refs.dat file)meta.ref;pos.framecharJ/ApJ/877/60/table4Robo-AO point source detectionsPerfPerformance Metric (1)meta.codecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint2MASS2MASS identifiermeta.id;meta.maincharObs[2013/2015] UT Year of the observationtime.epoch;obsFiltFilter used ("LP600" or "i'")instr.setup;instr.filtercharCCandCandidate Name (CC1, CC2 or CC3)meta.idcharDelmag[-0.1/8.2]? Optical contrast in Filtermagphot.mag;arith.difffloatnullablee_Delmag[0.02/0.6]? Uncertainty in Delmagmagstat.error;phot.magfloatnullableSep[0.17/4.2] Separationarcsecpos.angDistancefloate_Sep[0.01/0.07] Uncertainty in Separcsecstat.errorfloatPA[0/359] Position angledegpos.posAnginte_PA[1/6] Uncertainty in PAdegstat.errorintsigma[3.6/2386.5] Significancestat.fit.goodnessfloatJ/ApJ/877/60/table5Binary common proper motion testsBin?[YN] Known Binary?meta.codecharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordint2MASS2MASS identifiermeta.id;meta.maincharNep[1/8] Number of epochsmeta.numberintDelta[0.0028/1.61]? Time between epochsyrtime.intervaldoublenullableCCandCandidate companion (CC1, CC2 or CC3)meta.notecharBG-chi2[0.09/8500]? Reduced chi squared value of background hypothesesstat.fit.chi2doublenullableCPM-chi2[0/49.5]? Reduced chi squared value of common proper motion hypothesesstat.fit.chi2floatnullablenu[0/7] Degrees of freedomstat.fit.dofintBG-BIC[3.5/17000]? Bayesian Information Criterion of background hypothesesstat.fit.paramdoublenullableCPM-BIC[3.4/206]? Bayesian Information Criterion of common proper motion hypothesesstat.fit.paramfloatnullableDelBIC[-196/17000]? Differenced BIC valuestat.fit.paramdoublenullableComp?Companion? (1)meta.codecharr_Bin?Binary reference (see refs.dat file)meta.bibcharJ/ApJ/877/60/table1Spectroscopic observations for 634 targetsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintAONumber of Robo-AO observations for this target (link to Table 2)meta.numberintnullable2MASS2MASS identifiermeta.id;meta.maincharLiDisplay the data for this lithium-rich star (link to Table 3)meta.ref.urlintnullablem_2MASS2MASS component ("(E)", "(W)" or "(SW)")meta.code.multipcharf_2MASSFlag on 2MASS (1)meta.codecharObs[2013/2015] UT Year of the observationtime.epoch;obsTelThe Telescope/Instrument usedinstr.setupcharGratingGrating usedinstr.setupcharRes[1300/5900] Resolving powerspect.resolutionintExp[20/600] Exposure timestime.duration;obs.exposureintEWHa[-62.6/4.4]? H{alpha} equivalent width (2)0.1nmspect.line.eqWidthfloatnullableEWLi[0.06/0.6]? Li I (6708A) equivalent width (2)0.1nmspect.line.eqWidthfloatnullableEWNa[0.4/6.8]? Na I (8200A) equivalent width (2)0.1nmspect.line.eqWidthfloatnullableTiO5[0.27/1.05] The TiO5 indexmeta.code;spect.indexfloatH-SpTThe Hammer derived spectral type (3)src.spTypecharV-SpTVisual inspection spectral type (3)src.spTypechar2MDisplay the 2MASS data (Cutri+ 2003, II/246) within 1"meta.ref.urlcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RAPositions from 2MASS names (right ascension part)degpos.eq.ra;meta.main_DEPositions from 2MASS names (declination part)degpos.eq.dec;meta.mainJ/ApJ/877/60/table6Properties of Robo-AO for the 238 visual binariesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintNaoNumber of Robo-AO detections for this target (link to Table 4)meta.numberintnullable2MASS2MASS identifiermeta.id;meta.maincharpmRA[-589/614.4] Proper motion along RA times cos(DE) (1)mas/yrpos.pm;pos.eq.rafloate_pmRA[0.03/10.2] Uncertainty in pmRAcosDE (1)mas/yrstat.error;pos.pm;pos.eq.rafloatf_pmRA[b] b: Proper motion from UCAC4 (I/322)meta.codecharpmDE[-386.2/352] Proper motion along DE (1)mas/yrpos.pm;pos.eq.decfloate_pmDE[0.03/9.3] Uncertainty in pmDE (1)mas/yrstat.error;pos.pm;pos.eq.decfloatf_pmDE[b] b: Proper motion from UCAC4 (I/322)meta.codecharDist[11.7/450.3]? Distance (1)pcpos.distance;pos.heliocentricfloatnullablee_Dist[0.01/161.1]? Uncertainty in Dist (1)pcstat.errorfloatnullableCand1[CC1] First Candidate Companionmeta.idcharCand2[CC2] Second Candidate Companionmeta.idcharCand3[CC3] Third Candidate Companionmeta.idcharSep1[0.17/4.2] Projected separation with Cand1arcsecpos.angDistancefloatSep2[0.7/3.8]? Projected separation with Cand2arcsecpos.angDistancefloatnullableSep3[0.49]? Projected separation with Cand3arcsecpos.angDistancefloatnullableBestBANYAN {Sigma} Best Hypthesesmeta.id.parentLitLiterature YMGmeta.id.parentr_LitReference for Lit (see refs.dat)meta.ref;pos.framecharJ/ApJ/877/60/refsReferencesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRefReference codemeta.notecharBibCodeBibcode of the referencemeta.bib.bibcodecharAuthFirst author's name(s)meta.bib.authorcharCommCommentmeta.notechar