J/AJ/164/184ivo://CDS.VizieR/J/AJ/164/184doi:10.26093/cds/vizier.51640184CDSGardner T.Monnier J.D.Fekel F.C.Le Bouquin J.-B.Scovera A.,Schaefer G.Kraus S.Adams F.C.Anugu N.Berger J.-P.,Ten Brummelaar T.Davies C.L.Ennis J.Gies D.R.Johnson K.J.C.,Kervella P.Kratter K.M.Labdon A.Lanthermann C.Sahlmann J.,Setterholm B.R.2023-01-18T06:00:44Z2022-12-13T08:33:18ZCDS support team

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

cds-question@unistra.frmultiple-starsinfrared-astronomyspectroscopyastrometryradial-velocityWe started a survey with CHARA/MIRC-X and VLTI/GRAVITY to search for low-mass companions orbiting individual components of intermediate-mass binary systems. With the incredible precision of these instruments, we can detect astrometric "wobbles" from companions down to a few tens of microarcseconds. This allows us to detect any previously unseen triple systems in our list of binaries. We present the orbits of 12 companions around early F- to B-type binaries, 9 of which are new detections and 3 of which are first astrometric detections of known radial velocity (RV) companions. The masses of these newly detected components range from 0.45 to 1.3M{sun}. Our orbits constrain these systems to a high astrometric precision, with median residuals to the orbital fit of 20-50{mu}as in most cases. For seven of these systems we include newly obtained RV data, which help us to identify the system configuration and to solve for masses of individual components in some cases. Although additional RV measurements are needed to break degeneracy in the mutual inclination, we find that the majority of these inner triples are not well aligned with the wide binary orbit. This hints that higher-mass triples are more misaligned compared to solar and lower-mass triples, though a thorough study of survey biases is needed. We show that the ARMADA survey is extremely successful at uncovering previously unseen companions in binaries. This method will be used in upcoming papers to constrain companion demographics in intermediate-mass binary systems down to the planetary-mass regime.2022AJ....164..184Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/164/184CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toB/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2020)I/311 : Hipparcos, the New Reduction (van Leeuwen, 2007)I/345 : Gaia DR2 (Gaia Collaboration, 2018)J/A+AS/141/371 : Low-mass stars evolution tracks & isochrones (Girardi+, 2000)J/AJ/119/3084 : ICCD speckle obs. of binary stars. XXIII. (Hartkopf+, 2000)J/AJ/123/1023 : Binary star orbits (Seymour+, 2002)J/A+A/459/137 : Bright Be shell stars (Rivnius+, 2006)J/AJ/138/813 : Speckle interferometry at Mount Wilson Obs. (Hartkopf+, 2009)J/AJ/140/1657 : PHASES diff. astrometry data archive. V. (Muterspaugh+, 2010)J/A+A/546/A69 : Orbits of visual binaries and dynamical masses (Malkov+, 2012)J/AJ/145/111 : Radial velocities of five spectroscopic binaries (Fekel+, 2013)J/MNRAS/455/4136 : Kepler triples (Borkovits+, 2016)J/AJ/152/213 : Interferometry & spectroscopy sigma Orionis (Schaefer+, 2016)J/ApJ/844/103 : Orbit alignment in triple stars (Tokovinin, 2017)J/ApJS/235/6 : Updated Multiple Star Catalog; Sept 2021 (Tokovinin, 2018)J/A+A/623/A72 : Binarity Hipparcos stars from Gaia pm anomaly (Kervella+, 2019)J/A+A/626/A20 : MONOS. I. Spectral classifications (Maiz Apellaniz+, 2019)J/AJ/158/13 : The first 300 stars observed by the GPIES (Nielsen+, 2019)J/ApJS/247/11 : RV photon limits well-characterized F-M stars (Reiners+, 2020)J/AJ/161/295 : Obs. Differential Speckle Survey Instrument. X. (Horch+, 2021)J/A+A/657/A7 : Stellar & substellar companions Gaia EDR3 (Kervella+, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/164/184https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/164/184http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/164/184https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/164/184https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/164/184http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/164/184GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/164/184/table1 (Binary star astrometry)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/164/184/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/164/184/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/164/184/table1?GETtext/xml+votable180.050000true314.76864754.29347810.0055555555555555566/2976 12303 15491 17112 18130 22581 22913 24132 30115 30220 36074 39673https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/164/184?format=asciiInfrareddefaultJ/AJ/164/184/table1Binary star astrometryInstInstrument usedinstr.setupcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHDHD identifiermeta.id;meta.mainintprimaryCompComposantmeta.id.assoccharSimbadSimbad column added by the CDSmeta.ref.urlcharMJD[58027/59555] Modified Julian Datedtime.epochdoubleSep[0.34/142] Separationmaspos.angDistancedoublePA[0.72/359] Position Angle (2)degpos.posAngdoubleerrMaj[0.01/0.7] Uncertainty in the Semi-Major axismasstat.errordoubleerrMin[0.005/0.57] Uncertainty in the Semi-Minor axismasstat.errordoublee_PA[0.7/359] Position angle of errMaj (1)degstat.errordoubleNRVelNumber of radial velocity measurements for the system (table2)meta.numberintnullableRVelInteractive Plotmeta.ref.urlchar_RAPosition from SIMBAD (right ascension part)degpos.eq.ra;meta.main_DEPosition from SIMBAD (declination part)degpos.eq.dec;meta.mainJ/AJ/164/184/table2Binary star radial velocitiesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintHDHD identifiermeta.id;meta.mainintCompComposantmeta.id.assoccharMJD[59222/59677] Modified Julian Datedtime.epochdoubleRVel[-48/103] Radial velocitykm/sphys.veloc;pos.heliocentricfloate_RVel[1/4] Uncertainty in RVelkm/sstat.error;spect.dopplerVelocfloat