Robo-AO of northern stars companions J/AJ/163/200 ivo://CDS.VizieR/J/AJ/163/200 doi:10.26093/cds/vizier.51630200 CDS Salama M. Ziegler C. Baranec C. Liu M.C. Law N.M. Riddle R.,Henry T.J. Winters J.G. Jao W.-C. Ou J. Ruiz A.H. 2022-10-03T11:19:28Z 2022-09-26T07:02:19Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr multiple-stars infrared-photometry In order to assess the multiplicity statistics of stars across spectral types and populations in a volume-limited sample, we censused nearby stars for companions with Robo-AO. We report on observations of 1157 stars of all spectral types within 25pc with decl.>-13{deg} searching for tight companions. We detected 154 companion candidates with separations ranging from ~0.15" to 4.0" and magnitude differences up to {Delta}m_i'_<=7 using the robotic adaptive optics instrument Robo-AO. We confirmed physical association from Gaia EDR3 astrometry for 53 of the companion candidates, 99 remain to be confirmed, and two were ruled out as background objects. We complemented the high-resolution imaging companion search with a search for comoving objects with separations out to 10000au in Gaia EDR3, which resulted in an additional 147 companions registered. Of the 301 total companions reported in this study, 49 of them are new discoveries. Out of the 191 stars with significant acceleration measurements in the Hipparcos-Gaia catalog of accelerations, we detect companions around 115 of them, with the significance of the acceleration increasing as the companion separation decreases. From this survey, we report the following multiplicity fractions (compared to literature values): 40.9%{+/-}3.0%(44%) for FGK stars and 28.2%{+/-}2.3%(27%) for M stars, as well as higher-order fractions of 5.5%{+/-}1.1%(11%) and 3.9%{+/-}0.9%(5%) for FGK stars and M-type stars, respectively. 2022AJ....163..200S https://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/163/200 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to B/sb9 : SB9; 9th Catalogue of Spectroscopic Binary Orbits (Pourbaix+ 2004-2014) B/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2020) I/311 : Hipparcos, the New Reduction (van Leeuwen, 2007) V/122 : SB9; 9th Catalogue of Spectroscopic Binary Orbits (Pourbaix+ 2005) J/ApJS/190/1 : A survey of stellar families (Raghavan+, 2010) J/AJ/142/10 : New proper motion stars 0.40"/yr>pm>=0.18"/yr (Boyd+, 2011) J/ApJS/208/9 : Intrinsic colors and temperatures of PMS stars (Pecaut+, 2013) J/ApJ/791/35 : Detection 715 Kepler planet candidates host stars (Law+, 2014) J/AJ/147/87 : From binaries multiples. II. Statistical data (Tokovinin, 2014) J/ApJ/799/4 : Robo-AO observations of binary stars (Riddle+, 2015) J/MNRAS/449/2618 : M-dwarfs in Multiples (MinMs) survey. I. (Ward-Duong+, 2015) J/AJ/149/5 : Solar neighborhood XXXV. Distances to M dwarfs (Winters+, 2015) J/ApJ/804/30 : Robo-AO observed cool subdwarf companions (Ziegler+, 2015) J/AJ/152/18 : Robo-AO Kepler planetary candidate survey. II. (Baranec+, 2016) J/ApJ/835/251 : Radial velocities & BVIc LCs of the EB* CU Cnc (Wilson+, 2017) J/AJ/156/83 : Effect of stellar companions planetary systems (Ziegler+, 2018) J/A+A/623/A72 : Binarity Hipparcos stars from Gaia pm anomaly (Kervella+, 2019) J/AJ/157/216 : Stellar multiplicity rate Mdwarfs within 25pc (Winters+, 2019) J/AJ/159/139 : Multiple Mdwarf stars with Robo-AO and Gaia DR2 (Lamman+, 2020) J/AJ/160/215 : Solar neighborhood.XLVI. New M dwarf binaries (Vrijmoet+, 2020) J/AJ/159/19 : SOAR TESS survey. I. (Ziegler+, 2020) J/ApJS/254/42 : Hipparcos-Gaia (EDR3) Catalog of Accelerations (Brandt, 2021) J/AJ/162/102 : LASSO; Robo-AO observation of 444 young stars (Salama+, 2021) J/AJ/161/63 : M dwarfs masses 0.1<~M/M{sun}<~0.3 within 15pc (Winters+, 2021) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/163/200 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/163/200 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/163/200 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/163/200 https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/163/200 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/163/200 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/AJ/163/200/table4 (All Observed Targets) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/163/200/table4? https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/163/200/table4? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/163/200/table4? 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49015 49060 49101 49125 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/163/200?format=ascii Infrared default J/AJ/163/200/table4 All Observed Targets recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Robo Robo-AO target identifier meta.id;meta.main char primary Gaia ? Gaia EDR3 target identifier meta.id nullable RAJ2000 [0/23] Hour of Right Ascension (J2000) pos.eq.ra;meta.main DEJ2000 Degree of Declination (J2000) pos.eq.dec;meta.main Vmag [-0.12/15.99]? Apparent V band Vega magnitude mag phot.mag;em.opt.V float nullable Gmag [2.27/16.04]? Apparent GaiaEDR3 Gband magnitude mag phot.mag;em.opt.V float nullable Dist [1.83/24.96] Distance pc pos.distance float e_Dist [0/0.91]? Uncertainty in Dist pc stat.error float nullable r_Dist Reference code for Dist (1) meta.ref;pos.frame char SpT Spectral type src.spType char r_SpT Reference code for SpType (1) meta.ref;pos.frame char Obs [2012/2013]? UTC Year of the observation time.epoch;obs nullable RUWE [0.7/39.1]? Gaia EDR3 RUWE Renormalized Unit Weight Error value stat.error float nullable chi2 [0/192760]? HIP-Gaia primary {chi}^2^_acc_ value stat.value double nullable Can? Companion candidate? meta.code char Simbad SIMBAD target identifier meta.id char
J/AJ/163/200/table5 Companion Candidate Measurements Comp Companion identifier meta.id.assoc char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Robo Robo-AO target identifier meta.id;meta.main char Gaia ? Gaia EDR3 target identifier meta.id nullable JD [2012/2014]? Julian Date of detection d time.epoch double nullable ASep [0.09/329] Angular separation arcsec pos.angDistance float e_ASep [0.06/0.2]? Uncertainty in ASep arcsec stat.error float nullable PSep [1.58/6285] Physical separation AU pos.angDistance float e_PSep [0/798]? Uncertainty in PSep AU stat.error float nullable PA [0.6/359] Position angle deg pos.posAng float e_PA [0.7/44]? Uncertainty in PA deg stat.error float nullable Con [0.01/13.8] Contrast mag phot.mag;arith.diff float e_Con [0/1.8]? Uncertainty in Con mag stat.error float nullable S/N [7/609]? Detection Signal-to-Noise stat.snr int nullable Dplx/plx [1e-06/1]? Ratio of parallax difference to primary parallax stat.fit.omc float nullable Dmu/mu [0.0001/1.1]? Ratio of proper motion difference to primary proper motion pos.pm;arith.diff float nullable R [1e-13/0.1]? Ratio of estimated density of a chance alignment stat.fit.omc float nullable f_Robo Flag on Robo (1) meta.code char Detect Detection source meta.id;instr char Filt Filter used instr.setup;instr.filter char Assoc Physically associated? meta.id.assoc char
J/AJ/163/200/table6 The 5{sigma} Detection Limits Robo Robo-AO target identifier meta.id;meta.main char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Q Quality meta.code.qual char Lim0.5 [0/3.17]? Limiting magnitude at 0.5arcsec mag phot.mag float nullable Lim1.0 [0/4.73]? Limiting magnitude at 1.0arcsec mag phot.mag float nullable Lim1.5 [0.25/6.26]? Limiting magnitude at 1.5arcsec mag phot.mag float nullable Lim2.0 [0.83/7.13]? Limiting magnitude at 2.0arcsec mag phot.mag float nullable Lim2.5 [1.4/7.63]? Limiting magnitude at 2.5arcsec mag phot.mag float nullable Lim3.0 [1.92/7.97]? Limiting magnitude at 3.0arcsec mag phot.mag float nullable Lim3.5 [1.91/8.26]? Limiting magnitude at 3.5arcsec mag phot.mag float nullable